UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM N-Q

       QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT
                               INVESTMENT COMPANY

                  Investment Company Act file number 811-22442
                                                    -----------

                    First Trust High Income Long/Short Fund
             -----------------------------------------------------
               (Exact name of registrant as specified in charter)

                       120 East Liberty Drive, Suite 400
                               Wheaton, IL 60187
             -----------------------------------------------------
              (Address of principal executive offices) (Zip code)

                             W. Scott Jardine, Esq.

                          First Trust Portfolios L.P.
                       120 East Liberty Drive, Suite 400
                               Wheaton, IL 60187
             -----------------------------------------------------
                    (Name and address of agent for service)

        Registrant's telephone number, including area code: 630-765-8000
                                                           --------------

                      Date of fiscal year end: October 31
                                              ------------

                    Date of reporting period: July 31, 2012
                                             ---------------

Form N-Q is to be used by management investment companies, other than small
business investment companies registered on Form N-5 (ss.ss. 239.24 and 274.5 of
this chapter), to file reports with the Commission, not later than 60 days after
the close of the first and third fiscal quarters, pursuant to rule 30b1-5 under
the Investment Company Act of 1940 (17 CFR 270.30b1-5). The Commission may use
the information provided on Form N-Q in its regulatory, disclosure review,
inspection, and policymaking roles.

A registrant is required to disclose the information specified by Form N-Q, and
the Commission will make this information public. A registrant is not required
to respond to the collection of information contained in Form N-Q unless the
Form displays a currently valid Office of Management and Budget ("OMB") control
number. Please direct comments concerning the accuracy of the information
collection burden estimate and any suggestions for reducing the burden to the
Secretary, Securities and Exchange Commission, 100 F Street, NE, Washington, DC
20549. The OMB has reviewed this collection of information under the clearance
requirements of 44 U.S.C. ss. 3507.


ITEM 1. SCHEDULE OF INVESTMENTS. The Schedule of Investments is attached
herewith.

FIRST TRUST HIGH INCOME LONG/SHORT FUND
PORTFOLIO OF INVESTMENTS
JULY 31, 2012 (UNAUDITED)



   PRINCIPAL                                                   STATED          STATED
     VALUE                      DESCRIPTION                    COUPON         MATURITY          VALUE
----------------  ---------------------------------------  --------------  --------------  ---------------

CORPORATE BONDS AND NOTES - 89.1%

                  AUTOMOTIVE - 4.3%
                                                                               
$        334,000  Chrysler Group LLC/Chrysler Group
                      Co-Issuer, Inc. ...................       8.00%         06/15/19     $       349,030
       4,367,000  Chrysler Group LLC/Chrysler Group
                      Co-Issuer, Inc. ...................       8.25%         06/15/21           4,568,974
       2,376,000  Ford Motor Co. (a).....................       9.22%         09/15/21           3,026,430
         553,000  Ford Motor Co. (a).....................       8.90%         01/15/32             713,370
       3,000,000  Ford Motor Co. (a).....................       7.75%         06/15/43           3,333,750
       2,480,000  Ford Motor Co. (a).....................       9.98%         02/15/47           3,468,900
      21,000,000  General Motors Unsecured Claim Trust
                      Units (Non-transferable) (b).......         N/A           N/A                  2,100
          21,432  General Motors Unsecured Claim Trust
                      Units (Transferable) (b)...........         N/A           N/A                303,048
       5,396,000  Goodyear Tire & Rubber (The) Co. ......       7.00%         05/15/22           5,537,645
       4,872,000  Navistar International Corp. (a).......       8.25%         11/01/21           4,591,860
       2,065,000  Tomkins Inc., LLC .....................       9.00%         10/01/18           2,305,056
                                                                                           ---------------
                                                                                                28,200,163
                                                                                           ---------------

                  BANKING - 4.1%
         740,000  Ally Financial, Inc. ..................       8.00%         11/01/31             872,796
       2,285,000  Ally Financial, Inc. ..................       8.00%         11/01/31           2,747,713
       5,610,000  Bank of America Corp. .................       7.63%         06/01/19           6,834,730
       6,500,000  Capital One Capital III (a)............       7.69%         08/15/36           6,589,375
       6,750,000  Deutsche Postbank Funding Trust IV (EUR)
                      (c) (d)............................       5.98%         06/29/49           6,104,517
       4,000,000  Fifth Third Capital Trust IV (a) (d)...       6.50%         04/15/37           4,010,000
                                                                                           ---------------
                                                                                                27,159,131
                                                                                           ---------------

                  BASIC INDUSTRY - 11.1%
       4,500,000  AK Steel Corp. (a).....................       8.38%         04/01/22           3,825,000
       5,250,000  Aleris International, Inc. ............       7.63%         02/15/18           5,486,250
       4,200,000  Alpha Natural Resources, Inc. (a)......       6.00%         06/01/19           3,675,000
         596,000  Alpha Natural Resources, Inc. .........       6.25%         06/01/21             518,520
       1,255,000  Arch Coal, Inc. .......................       7.00%         06/15/19           1,101,263
         408,000  Arch Coal, Inc. .......................       7.25%         10/01/20             355,980
         825,000  Arch Coal, Inc. .......................       7.25%         06/15/21             713,625
       6,215,000  Associated Materials LLC ..............       9.13%         11/01/17           6,013,012
       3,500,000  Boise Cascade LLC (a)..................       7.13%         10/15/14           3,521,875
       3,635,000  Boise Paper Holdings LLC/Boise Finance
                      Co. (a)............................       9.00%         11/01/17           4,080,287
       1,357,000  Century Aluminum Co. (a)...............       8.00%         05/15/14           1,363,785
       3,600,000  Cloud Peak Energy Resources Corp., LLC
                      (a)................................       8.25%         12/15/17           3,798,000
       6,500,000  Hexion U.S. Finance Corp./Hexion Nova
                      Scotia Finance ULC (a).............       8.88%         02/01/18           6,613,750
       8,655,000  Huntsman International LLC (a).........       8.63%         03/15/21           9,996,525
       1,300,000  Momentive Performance Materials, Inc. (e)    10.00%         10/15/20           1,322,750



                See Notes to Quarterly Portfolio of Investments           Page 1



FIRST TRUST HIGH INCOME LONG/SHORT FUND
PORTFOLIO OF INVESTMENTS  - (CONTINUED)
JULY 31, 2012 (UNAUDITED)



   PRINCIPAL                                                   STATED          STATED
     VALUE                      DESCRIPTION                    COUPON         MATURITY          VALUE
----------------  ---------------------------------------  --------------  --------------  ---------------

CORPORATE BONDS AND NOTES - (CONTINUED)

                  BASIC INDUSTRY - (CONTINUED)
                                                                               
$      5,000,000  Momentive Performance Materials, Inc. (a)       9.00%         01/15/21    $    3,675,000
       4,000,000  Polypore International, Inc. (a).......         7.50%         11/15/17         4,300,000
       5,150,000  Texas Industries, Inc. (a).............         9.25%         08/15/20         5,433,250
       4,000,000  USG Corp. .............................         6.30%         11/15/16         3,915,000
       1,878,000  USG Corp. (e)..........................         8.38%         10/15/18         2,018,850
       1,800,000  Vertellus Specialties, Inc. (e)........         9.38%         10/01/15         1,494,000
                                                                                            ---------------
                                                                                                73,221,722
                                                                                            ---------------

                  CAPITAL GOODS - 7.7%
       6,390,000  American Railcar Industries, Inc. (a)..         7.50%         03/01/14         6,533,775
       3,467,000  Ducommun, Inc. ........................         9.75%         07/15/18         3,605,680
       5,000,000  Manitowoc (The), Inc., Co. (a).........         8.50%         11/01/20         5,475,000
       3,625,000  Mcron Finance Sub LLC/ Mcron Finance
                      Corp. (e)..........................         8.38%         05/15/19         3,760,937
       3,760,000  Mueller Water Products, Inc. (a).......         7.38%         06/01/17         3,835,200
       7,500,000  Reynolds Group Issuer, Inc., LLC ......         8.50%         05/15/18         7,593,750
         485,000  Reynolds Group Issuer, Inc., LLC ......         9.88%         08/15/19           516,525
       1,600,000  Reynolds Group Issuer, Inc., LLC (e)...         9.88%         08/15/19         1,698,000
       7,500,000  Terex Corp. (a)........................         8.00%         11/15/17         7,931,250
       4,000,000  Transdigm, Inc. (a)....................         7.75%         12/15/18         4,480,000
       4,650,000  Triumph Group, Inc. (a)................         8.63%         07/15/18         5,208,000
                                                                                            ---------------
                                                                                                50,638,117
                                                                                            ---------------

                  CONSUMER NON-CYCLICAL - 0.4%
       2,240,000  Smithfield Foods, Inc. ................         6.63%         08/15/22         2,329,600
                                                                                            ---------------

                  ENERGY - 8.2%
       3,974,000  Berry Petroleum Co. ...................         6.75%         11/01/20         4,257,147
       5,700,000  Chesapeake Energy Corp. (a)............         9.50%         02/15/15         6,156,000
         600,000  Chesapeake Energy Corp. ...............         7.25%         12/15/18           621,000
       1,970,000  Chesapeake Energy Corp. (a)............         6.63%         08/15/20         1,970,000
       3,275,000  Everest Acquisition LLC/Everest
                      Acquisition Finance, Inc. (e)......         9.38%         05/01/20         3,528,813
       3,000,000  Ferrellgas Finance Corp., L.P. (a).....         6.50%         05/01/21         2,865,000
         800,000  Frontier Oil Corp. (a).................         6.88%         11/15/18           852,000
       2,850,000  Geokinetics Holdings USA, Inc. (a).....         9.75%         12/15/14         1,603,125
       2,654,000  Helix Energy Solutions Group, Inc. (e).         9.50%         01/15/16         2,783,383
       4,000,000  Hornbeck Offshore Services, Inc. (a)...         8.00%         09/01/17         4,300,000
       2,636,000  Linn Energy LLC/Linn Energy Finance Corp.
                      (e)................................         6.25%         11/01/19         2,612,935
       5,240,000  Linn Energy LLC/Linn Energy Finance Corp.       8.63%         04/15/20         5,711,600
       5,500,000  PHI, Inc. (a)..........................         8.63%         10/15/18         5,706,250
       3,499,000  Regency Energy Partners L.P./Regency
                      Energy Finance Corp. (a)...........         9.38%         06/01/16         3,875,142
       3,248,000  Samson Investment Co. (e)..............         9.75%         02/15/20         3,373,860


Page 2          See Notes to Quarterly Portfolio of Investments



FIRST TRUST HIGH INCOME LONG/SHORT FUND
PORTFOLIO OF INVESTMENTS  - (CONTINUED)
JULY 31, 2012 (UNAUDITED)



   PRINCIPAL                                                   STATED          STATED
     VALUE                      DESCRIPTION                    COUPON         MATURITY          VALUE
----------------  ---------------------------------------  --------------  --------------  ---------------

CORPORATE BONDS AND NOTES - (CONTINUED)

                  ENERGY - (CONTINUED)
                                                                               
$      3,425,000  Targa Resources Partners L.P./Targa
                      Resources Partners Finance Corp. (a)      7.88%         10/15/18     $     3,750,375
                                                                                           ---------------
                                                                                                53,966,630
                                                                                           ---------------

                  FINANCIAL SERVICES - 7.8%
       7,486,262  CIT Group, Inc. (e)....................       7.00%         05/02/17           7,533,051
       1,665,000  CIT Group, Inc. .......................       5.00%         05/15/17           1,740,966
       8,385,000  CIT Group, Inc.........................       4.25%         08/15/17           8,385,000
      10,500,000  GE Capital Trust IV (EUR) (c) (d)......       4.63%         09/15/66          11,858,848
         410,000  General Electric Capital Corp. (EUR) (c)
                      (d)................................       5.50%         09/15/67             479,243
       7,500,000  Icahn Enterprises L.P./Icahn Enterprises
                      Finance Corp. (a)..................       8.00%         01/15/18           8,006,250
       8,000,000  SLM Corp. .............................       8.00%         03/25/20           9,020,000
       5,000,000  Springleaf Finance Corp. ..............       6.90%         12/15/17           4,100,000
         700,000  Textron Financial Corp. (d) (e)........       6.00%         02/15/67             563,500
                                                                                           ---------------
                                                                                                51,686,858
                                                                                           ---------------

                  HEALTHCARE - 2.9%
       5,880,000  Alere, Inc. ...........................       9.00%         05/15/16           6,129,900
       3,207,000  Bausch & Lomb, Inc. ...................       9.88%         11/01/15           3,363,341
       5,600,000  HCA Holdings, Inc. ....................       7.75%         05/15/21           6,125,000
       3,150,000  Kinetic Concepts, Inc. (e).............      10.50%         11/01/18           3,346,875
                                                                                           ---------------
                                                                                                18,965,116
                                                                                           ---------------

                  INSURANCE - 7.2%
       2,450,000  American International Group, Inc. (EUR)
                      (c) (d)............................       8.00%         05/22/38           3,104,929
       1,800,000  American International Group, Inc. (EUR)
                      (c) (d)............................       4.88%         03/15/67           1,683,195
       3,050,000  American International Group, Inc. (GBP)
                      (c) (d)............................       8.63%         05/22/38           5,011,731
      10,950,000  American International Group, Inc. (GBP)
                      (c) (d)............................       5.75%         03/15/67          13,373,822
       5,000,000  CHUBB Corp. (a) (d)....................       6.38%         03/29/67           5,250,000
      11,000,000  Glen Meadow Pass Through Trust (d) (e).       6.51%         02/12/67           8,167,500
       6,500,000  Liberty Mutual Group, Inc. (d) (e).....       7.00%         03/15/37           5,882,500
       3,500,000  Lincoln National Corp. (a) (d).........       7.00%         05/17/66           3,491,250
       1,800,000  Lincoln National Corp. (a) (d).........       6.05%         04/20/67           1,746,000
                                                                                           ---------------
                                                                                                47,710,927
                                                                                           ---------------

                  MEDIA - 2.3%
       3,500,000  Cequel Communications Holdings I
                      LLC/Cequel Capital Corp. (e).......       8.63%         11/15/17           3,788,750
       3,931,000  Clear Channel Communications, Inc. (a).       5.50%         12/15/16           1,808,260
       1,800,000  Clear Channel Communications, Inc. (a).       9.00%         03/01/21           1,512,000
       4,008,000  Clear Channel Worldwide Holdings, Inc.        9.25%         12/15/17           4,328,640
         324,000  Clear Channel Worldwide Holdings, Inc.        9.25%         12/15/17             351,540
         456,000  Clear Channel Worldwide Holdings, Inc.
                      (e)................................       7.63%         03/15/20             429,780


                See Notes to Quarterly Portfolio of Investments           Page 3



FIRST TRUST HIGH INCOME LONG/SHORT FUND
PORTFOLIO OF INVESTMENTS  - (CONTINUED)
JULY 31, 2012 (UNAUDITED)



   PRINCIPAL                                                   STATED          STATED
     VALUE                      DESCRIPTION                    COUPON         MATURITY          VALUE
----------------  ---------------------------------------  --------------  --------------  ---------------

CORPORATE BONDS AND NOTES - (CONTINUED)

                  MEDIA - (CONTINUED)
                                                                               
$      3,193,000  Clear Channel Worldwide Holdings, Inc.
                      (e)................................       7.63%         03/15/20     $     3,073,263
                                                                                           ---------------
                                                                                                15,292,233
                                                                                           ---------------

                  SERVICES - 20.4%
       5,270,312  American Airlines Pass Through Trust
                      2001-01 ...........................       6.98%         05/23/21           4,980,445
       3,500,000  ARAMARK Corp. (a)......................       8.50%         02/01/15           3,587,535
       2,000,000  Ashtead Capital, Inc. (e)..............       9.00%         08/15/16           2,067,500
       1,095,000  Ashtead Capital, Inc. (e)..............       6.50%         07/15/22           1,142,906
       5,500,000  Avis Budget Car Rental LLC/Avis Budget
                      Finance, Inc. .....................       9.63%         03/15/18           6,111,875
       1,426,000  Avis Budget Car Rental LLC/Avis Budget
                      Finance, Inc. (a)..................       8.25%         01/15/19           1,538,298
       6,500,000  Beazer Homes USA, Inc. (a).............       8.13%         06/15/16           6,621,875
       5,542,387  Continental Airlines 2003-ERJ1 Pass
                      Through Trust .....................       7.88%         07/02/18           5,597,811
       2,655,197  Continental Airlines 2005-ERJ1 Pass
                      Through Trust .....................       9.80%         04/01/21           2,841,061
       1,712,294  Delta Air Lines 2009-1 Series B Pass
                      Through Trust .....................       9.75%         12/17/16           1,849,277
       7,000,000  Delta Air Lines, Inc. (e)..............      12.25%         03/15/15           7,630,000
       5,986,000  Energysolutions, Inc., LLC ............      10.75%         08/15/18           5,192,855
       9,000,000  Harrah's Operating, Inc., Co. .........      10.00%         12/15/18           5,760,000
       8,000,000  Hertz (The) Corp. .....................       7.50%         10/15/18           8,670,000
       5,250,000  Iron Mountain, Inc. (a)................       8.38%         08/15/21           5,840,625
       3,500,000  Isle of Capri Casinos, Inc. (a)........       7.75%         03/15/19           3,661,875
       5,000,000  K Hovnanian Enterprises, Inc. (a)......      10.63%         10/15/16           5,225,000
       8,000,000  MGM Resorts International .............      11.13%         11/15/17           8,980,000
       3,500,000  Mohegan Tribal Gaming Authority (e)....      10.50%         12/15/16           3,097,500
       3,449,569  Northwest Airlines 2001-1 Class B Pass
                      Through Trust .....................       7.69%         04/01/17           3,553,056
       1,780,000  Pulte Group, Inc. (a)..................       7.63%         10/15/17           1,971,350
       4,570,000  Pulte Group, Inc. (a)..................       7.88%         06/15/32           4,592,850
       3,319,000  Shea Homes L.P./Shea Homes Funding Corp.      8.63%         05/15/19           3,626,007
       5,500,000  Standard Pacific Corp. (a).............       8.38%         05/15/18           6,160,000
       3,506,791  UAL 2009-2B Pass Through Trust (e).....      12.00%         01/15/16           3,787,334
       7,000,000  United Air Lines, Inc. (e).............      12.00%         11/01/13           7,332,500
         522,000  United Rentals North America, Inc. ....       9.25%         12/15/19             587,250
       5,312,000  United Rentals North America, Inc. (a).       8.38%         09/15/20           5,657,280
         375,000  UR Financing Escrow Corp. (e)..........       7.38%         05/15/20             397,500
         367,000  UR Financing Escrow Corp. (e)..........       7.63%         04/15/22             391,314
       6,971,154  US Airways 2000-3C Pass Through Trust .       8.39%         03/01/22           6,343,750
                                                                                           ---------------
                                                                                               134,796,629
                                                                                           ---------------

                  TECHNOLOGY & ELECTRONICS - 4.4%
       5,500,000  Alcatel-Lucent USA, Inc. (a)...........       6.45%         03/15/29           3,162,500
       5,675,000  CommScope, Inc. (e)....................       8.25%         01/15/19           5,965,844


Page 4          See Notes to Quarterly Portfolio of Investments



FIRST TRUST HIGH INCOME LONG/SHORT FUND
PORTFOLIO OF INVESTMENTS  - (CONTINUED)
JULY 31, 2012 (UNAUDITED)



   PRINCIPAL                                                   STATED          STATED
     VALUE                      DESCRIPTION                    COUPON         MATURITY          VALUE
----------------  ---------------------------------------  --------------  --------------  ---------------

CORPORATE BONDS AND NOTES - (CONTINUED)

                  TECHNOLOGY & ELECTRONICS - (CONTINUED)
                                                                               
$      9,050,000  First Data Corp. (e)...................       8.88%         08/15/20     $     9,955,000
       8,834,000  Freescale Semiconductor, Inc. (e)......      10.13%         03/15/18           9,673,230
                                                                                           ---------------
                                                                                                28,756,574
                                                                                           ---------------

                  TELECOMMUNICATIONS - 5.4%
       7,000,000  Frontier Communications Corp. (a)......       9.00%         08/15/31           6,930,000
       1,496,000  Hughes Satellite Systems Corp. (a).....       7.63%         06/15/21           1,660,560
       3,500,000  MetroPCS Wireless, Inc. (a)............       7.88%         09/01/18           3,727,500
      10,000,000  Sprint Capital Corp. (a)...............       8.75%         03/15/32          10,000,000
       2,600,000  Sprint Nextel Corp. (e)................       9.13%         03/01/17           2,905,500
       6,000,000  Sprint Nextel Corp. (a)................       9.25%         04/15/22           6,630,000
       3,250,000  Viasat, Inc. (a).......................       8.88%         09/15/16           3,493,750
                                                                                           ---------------
                                                                                                35,347,310
                                                                                           ---------------

                  UTILITY - 2.9%
       7,500,000  Calpine Corp. (e)......................       7.88%         07/31/20           8,493,750
       3,350,000  Energy Future Intermediate Holding Co.,
                      LLC/Energy Future Intermediate
                      Holding Finance, Inc. (a)..........      10.00%         12/01/20           3,705,938
       5,000,000  NRG Energy, Inc. (a)...................       8.25%         09/01/20           5,412,500
       2,150,000  Texas Competitive Electric Holdings Co.
                      LLC/Texas Competitive Electric
                      Holdings Finance, Inc. (e).........      11.50%         10/01/20           1,601,750
                                                                                           ---------------
                                                                                                19,213,938
                                                                                           ---------------
                  TOTAL CORPORATE BONDS AND NOTES .......................................      587,284,948
                  (Cost $584,719,876)                                                      ---------------




   PRINCIPAL
     VALUE
     (LOCAL                                                    STATED          STATED           VALUE
   CURRENCY)                    DESCRIPTION                    COUPON         MATURITY      (US DOLLARS)
----------------  ---------------------------------------  --------------  --------------  ---------------

FOREIGN CORPORATE BONDS AND NOTES - 24.1%

                  BANKING - 4.9%
                                                                               
       6,500,000  ABN AMRO Bank N.V. (EUR) (d)...........       4.31%         03/29/49           5,637,135
       2,200,000  Barclays Bank PLC (GBP) ...............      10.00%         05/21/21           3,917,635
       8,264,000  Egg Banking PLC (GBP) (d)..............       7.50%         05/29/49          13,209,284
       3,300,000  IKB Deutsche Industriebank AG (EUR) (f)       1.58%         05/28/13           3,654,305
         175,000  IKB Deutsche Industriebank AG (EUR) ...       4.50%         07/09/13             196,481
       2,100,000  Mizuho Capital Investment, Ltd. (USD)
                      (a) (d) (e)........................      14.95%         12/29/49           2,570,257
       3,000,000  Royal Bank of Scotland N.V. (EUR) (f)..       4.70%         06/10/19           3,062,513
                                                                                           ---------------
                                                                                                32,247,610
                                                                                           ---------------

                  BASIC INDUSTRY - 5.8%
       4,500,000  Aperam (USD) (e).......................       7.38%         04/01/16           3,960,000
       3,451,000  Boart Longyear Management Pty., Ltd.
                      (USD) (e)..........................       7.00%         04/01/21           3,614,923


                See Notes to Quarterly Portfolio of Investments           Page 5



FIRST TRUST HIGH INCOME LONG/SHORT FUND
PORTFOLIO OF INVESTMENTS  - (CONTINUED)
JULY 31, 2012 (UNAUDITED)



   PRINCIPAL
     VALUE
     (LOCAL                                                    STATED          STATED           VALUE
   CURRENCY)                    DESCRIPTION                    COUPON         MATURITY      (US DOLLARS)
----------------  ---------------------------------------  --------------  --------------  ---------------

FOREIGN CORPORATE BONDS AND NOTES - (CONTINUED)

                  BASIC INDUSTRY - (CONTINUED)
                                                                               
       4,645,000  Evraz Group S.A. (USD) (e).............       7.40%         04/24/17     $     4,649,180
       3,135,000  FMG Resources Pty, Ltd. (USD) (e)......       7.00%         11/01/15           3,229,050
       1,000,000  INEOS Finance PLC (EUR) ...............       9.25%         05/15/15           1,313,458
       4,000,000  INEOS Group Holdings PLC (EUR) ........       7.88%         02/15/16           4,232,596
       6,300,000  Novelis, Inc. (USD) (a)................       8.75%         12/15/20           7,024,500
       4,200,000  Stora Enso Oyj (USD) (e)...............       7.25%         04/15/36           3,801,000
       6,785,000  Vedanta Resources PLC (USD) (e)........       8.25%         06/07/21           6,479,675
                                                                                           ---------------
                                                                                                38,304,382
                                                                                           ---------------

                  CAPITAL GOODS - 0.6%
       3,000,000  Ardagh Packaging Finance (EUR) ........       9.25%         10/15/20           3,737,358
                                                                                           ---------------

                  CONSUMER NON-CYCLICAL - 2.0%
       6,000,000  JBS Finance II Ltd. (USD) (e)..........       8.25%         01/29/18           6,037,200
       3,770,000  Minerva Luxembourg S.A. (USD) (e)......      12.25%         02/10/22           4,024,475
       3,000,000  Virgolino de Oliveira Finance Ltd. (USD)
                      (e)................................      11.75%         02/09/22           2,970,000
                                                                                           ---------------
                                                                                                13,031,675
                                                                                           ---------------

                  ENERGY - 3.5%
       9,400,000  CHC Helicopter S.A. (USD) .............       9.25%         10/15/20           9,635,000
       3,750,000  Georgian Oil and Gas Corp. (USD) (e)...       6.88%         05/16/17           3,695,625
       5,600,000  OGX Petroleo e Gas Participacoes S.A.
                      (USD) (e)..........................       8.50%         06/01/18           4,963,000
       5,000,000  Petroleos de Venezuela S.A. (USD) .....      12.75%         02/17/22           4,850,000
                                                                                           ---------------
                                                                                                23,143,625
                                                                                           ---------------

                  INSURANCE - 1.5%
       1,150,000  Aviva PLC (EUR) (d)....................       6.88%         05/22/38           1,280,392
       5,000,000  ING Groep N.V. (GBP) (d)...............       5.14%         03/29/49           5,691,259
       3,500,000  Oil Insurance Ltd. (USD) (e) (f).......       3.44%         12/29/49           3,057,201
                                                                                           ---------------
                                                                                                10,028,852
                                                                                           ---------------

                  SERVICES - 3.4%
       4,600,000  Desarrolladora Homex Sab de CV (USD) (e)      9.75%         03/25/20           4,807,000
       1,800,000  Empresas ICA Sab de CV (USD) (e).......       8.38%         07/24/17           1,813,500
       5,250,000  Hapag-Lloyd AG (USD) (e)...............       9.75%         10/15/17           4,974,375
       5,755,000  Royal Caribbean Cruises Ltd. (USD) (a).       7.50%         10/15/27           5,862,906
       4,500,000  Urbi Desarrollos Urbanos Sab de CV (USD)
                      (e)................................       9.75%         02/03/22           4,578,750
                                                                                           ---------------
                                                                                                22,036,531
                                                                                           ---------------

                  TELECOMMUNICATIONS - 1.7%
       2,857,000  En Germany Holdings B.V. (EUR) ........      10.75%         11/15/15           3,515,269
       4,900,000  Intelsat Luxembourg S.A. (USD) (a).....      11.25%         02/04/17           5,114,375
       2,550,000  Intelsat Luxembourg S.A. (USD) (a) (g).      11.50%         02/04/17           2,661,563
                                                                                           ---------------
                                                                                                11,291,207
                                                                                           ---------------


Page 6          See Notes to Quarterly Portfolio of Investments



FIRST TRUST HIGH INCOME LONG/SHORT FUND
PORTFOLIO OF INVESTMENTS  - (CONTINUED)
JULY 31, 2012 (UNAUDITED)



   PRINCIPAL
     VALUE
     (LOCAL                                                    STATED          STATED           VALUE
   CURRENCY)                    DESCRIPTION                    COUPON         MATURITY      (US DOLLARS)
----------------  ---------------------------------------  --------------  --------------  ---------------

FOREIGN CORPORATE BONDS AND NOTES - (CONTINUED)

                  UTILITY - 0.7%
                                                                               
       5,000,000  Intergen N.V. (USD) (e)................       9.00%         06/30/17     $     4,887,500
                                                                                           ---------------
                  TOTAL FOREIGN CORPORATE BONDS AND NOTES ...............................      158,708,740
                  (Cost $164,284,300)                                                      ---------------




   PRINCIPAL                                                                   STATED
     VALUE                      DESCRIPTION                   RATE (h)      MATURITY (i)        VALUE
----------------  ---------------------------------------  --------------  --------------  ---------------

SENIOR FLOATING-RATE LOAN INTERESTS - 4.3%

                  AUTOMOTIVE - 2.1%
                                                                               
$      7,190,255  Allison Transmission, Inc..............       3.75%         08/07/17           7,151,715
       7,168,638  Federal Mogul Corp Term Loan B ........       2.18%         12/27/14           6,806,836
                                                                                           ---------------
                                                                                                13,958,551
                                                                                           ---------------

                  ENERGY - 0.9%
       5,955,000  Meg Energy Term Loan ..................       4.00%         03/18/18           5,952,499
                                                                                           ---------------

                  REAL ESTATE - 0.6%
       3,373,206  Realogy Initial Term Loan B ...........       4.50%         10/10/16           3,196,112
         476,160  Realogy Synthetic Letter of Credit ....       4.49%         10/10/16             451,162
                                                                                           ---------------
                                                                                                 3,647,274
                                                                                           ---------------

                  SERVICES - 0.7%
       4,861,111  US Airways Term Loan ..................       2.75%         03/23/14           4,657,576
                                                                                           ---------------
                  TOTAL SENIOR FLOATING-RATE LOAN INTERESTS .............................       28,215,900
                  (Cost $28,377,241)                                                       ---------------




   PRINCIPAL                                                   STATED          STATED
     VALUE                      DESCRIPTION                    COUPON         MATURITY          VALUE
----------------  ---------------------------------------  --------------  --------------  ---------------

ASSET-BACKED SECURITIES - 2.0%
                                                                               
                  Ace Securities Corp.
       3,473,741      Series 2007-HE2, Class A2A (f).....       0.37%         12/25/36           2,000,512
                  Carrington Mortgage Loan Trust
       2,759,975      Series 2006-NC4, Class A5 (f)......       0.31%         10/25/36           1,838,262
                  HSI Asset Securitization Corp. Trust
       2,318,039      Series 2007-NC1, Class A1 (f)......       0.35%         04/25/37           1,855,429
                  Keycorp Student Loan Trust
       3,048,076      Series 2000-A, Class A2 (f)........       0.79%         05/25/29           2,790,076
                  Morgan Stanley ABS Capital I
       1,213,018      Series 2006-HE6, Class A2B (f).....       0.35%         09/25/36             967,746
                  Securitized Asset Backed Receivables LLC
                      Trust
      10,198,701      Series 2006-FR4, Class A2A (f).....       0.33%         08/25/36           2,987,164
                  Soundview Home Equity Loan Trust
       1,429,705      Series 2006-EQ2, Class A2 (f)......       0.36%         01/25/37             708,592
                                                                                           ---------------
                  TOTAL ASSET-BACKED SECURITIES .........................................       13,147,781
                  (Cost $17,462,767)                                                       ---------------



                See Notes to Quarterly Portfolio of Investments           Page 7



FIRST TRUST HIGH INCOME LONG/SHORT FUND
PORTFOLIO OF INVESTMENTS  - (CONTINUED)
JULY 31, 2012 (UNAUDITED)



   PRINCIPAL                                                   STATED          STATED
     VALUE                      DESCRIPTION                    COUPON         MATURITY          VALUE
----------------  ---------------------------------------  --------------  --------------  ---------------

MORTGAGE-BACKED SECURITIES - 1.1%

                  COLLATERALIZED MORTGAGE OBLIGATIONS - 0.8%
                                                                               
                  Morgan Stanley Mortgage Loan Trust
$      1,887,631      Series 2007-6XS, Class 2A1S (f)....       0.36%         02/25/47     $     1,578,779
                  Wells Fargo Mortgage Backed Securities
                      Trust
       4,142,567      Series 2006-AR7, Class 2A4 (f).....       2.62%         05/25/36           3,255,078
                                                                                           ---------------
                                                                                                 4,833,857
                                                                                           ---------------

                  COMMERCIAL MORTGAGE-BACKED SECURITIES - 0.3%
                  Specialty Underwriting & Residential
                      Finance
       2,685,423      Series 2006-BC4, Class A2B (f).....       0.36%         09/25/37           2,013,353
                                                                                           ---------------
                  TOTAL MORTGAGE-BACKED SECURITIES ......................................        6,847,210
                  (Cost $7,411,661)                                                        ---------------


     SHARES                                     DESCRIPTION                                     VALUE
----------------  -----------------------------------------------------------------------  ---------------

COMMON STOCKS - 1.2%

                  AUTOMOTIVE - 0.9%
         448,000  Ford Motor Co..........................................................        4,139,520
          98,768  General Motors Co. (j).................................................        1,946,717
                                                                                           ---------------
                                                                                                 6,086,237
                                                                                           ---------------
                  BANKING - 0.3%
          75,700  Citigroup, Inc.........................................................        2,053,741
                                                                                           ---------------
                  TOTAL COMMON STOCKS ...................................................        8,139,978
                  (Cost $14,700,177)                                                       ---------------

WARRANTS - 0.2%

                  AUTOMOTIVE - 0.2%
          77,608  General Motors Co. (j).................................................          856,792
          77,608  General Motors Co. (j).................................................          523,078
                                                                                           ---------------
                  TOTAL WARRANTS ........................................................        1,379,870
                  (Cost $4,065,974)                                                        ---------------

SHORT-TERM INVESTMENTS - 1.3%

       8,684,307 Dreyfus Government Cash Management .....................................        8,684,307
                                                                                           ---------------
                 TOTAL SHORT-TERM INVESTMENTS ...........................................        8,684,307
                 (Cost $8,684,307)                                                         ---------------

                 TOTAL INVESTMENTS - 123.3% .............................................      812,408,734
                 (Cost $829,706,303) (k)                                                   ---------------

   PRINCIPAL                                                   STATED          STATED
     VALUE                      DESCRIPTION                    COUPON         MATURITY          VALUE
----------------  ---------------------------------------  --------------  --------------  ---------------

U.S. GOVERNMENT BONDS SOLD SHORT - (22.7%)
$    (16,000,000) United States Treasury Note ...........      0.25%          03/31/14         (16,010,000)
    (103,200,000) United States Treasury Note ...........      0.88%          02/28/17        (104,820,550)


Page 8          See Notes to Quarterly Portfolio of Investments



FIRST TRUST HIGH INCOME LONG/SHORT FUND
PORTFOLIO OF INVESTMENTS  - (CONTINUED)
JULY 31, 2012 (UNAUDITED)



   PRINCIPAL                                                   STATED          STATED
     VALUE                      DESCRIPTION                    COUPON         MATURITY          VALUE
----------------  ---------------------------------------  --------------  --------------  ---------------

U.S. GOVERNMENT BONDS SOLD SHORT - (CONTINUED)
                                                                               
$    (27,500,000) United States Treasury Note ...........      2.00%          02/15/22     $   (28,857,812)
                                                                                           ---------------
                  TOTAL U.S. GOVERNMENT BONDS SOLD SHORT ................................     (149,688,362)
                  (Cost $(147,072,527))                                                    ---------------

                  NET OTHER ASSETS AND LIABILITIES - (0.6%) .............................       (3,607,014)
                                                                                           ---------------
                  NET ASSETS - 100.0% ...................................................  $   659,113,358
                                                                                           ===============



      (a)   This security or a portion of this security is segregated as
            collateral for investments sold short.

      (b)   The non-transferable trust units were originally issued to
            facilitate distribution of General Motors common stock and warrants
            pursuant to the General Motors Bankruptcy Plan of Reorganization. On
            June 12, 2012, the holders of these units received new transferable
            General Motors Unsecured Claim (GUC) Trust Units, which were created
            to hold and administer the common stock and warrants of General
            Motors Company to be contributed to the GUC Trust under the General
            Motors Bankruptcy Plan of Reorganization. As such, the
            non-transferable trust units currently exist only for the purpose of
            receiving any residual cash, if any, from the General Motors
            Bankruptcy. These units were received in exchange for the previously
            owned General Motors 8.375% Corporate Notes that were scheduled to
            mature on 7/15/33.

      (c)   Security issued by a U.S. incorporated entity, that has its
            principal value denominated in the listed foreign currency.

      (d)   Fixed-to-floating rate security. The interest rate shown reflects
            the fixed rate in effect at July 31, 2012. At a predetermined date,
            the fixed rate will change to a floating rate.

      (e)   This security, sold within the terms of a private placement
            memorandum, is exempt from registration upon resale under Rule 144A
            of the Securities Act of 1933, as amended (the "1933 Act"), and may
            be resold in transactions exempt from registration, normally to
            qualified institutional buyers. Pursuant to procedures adopted by
            the Fund's Board of Trustees, this security has been determined to
            be liquid by MacKay Shields LLC, the Fund's sub-advisor. Although
            market instability can result in periods of increased overall market
            illiquidity, liquidity for each security is determined based on
            security specific factors and assumptions, which require subjective
            judgment. At July 31, 2012, securities noted as such amounted to
            $193,933,086, or 29.42% of net assets.

      (f)   Floating rate security. The interest rate shown reflects the rate in
            effect at July 31, 2012.

      (g)   This security is a Payment-in-Kind ("PIK")/Toggle Note whereby
            interest will be paid either in cash or PIK until 2/15/13. If the
            interest is paid in PIK then the coupon is 1 percentage point higher
            than the stated coupon rate.

      (h)   Senior Loans in which the Fund invests generally pay interest at
            rates which are periodically predetermined by reference to a base
            lending rate plus a premium. These base lending rates are generally
            (i) the lending rate offered by one or more major European banks,
            such as the London Inter-Bank Offered Rate ("LIBOR"), (ii) the prime
            rate offered by one or more United States banks or (iii) the
            certificate of deposit rate. Certain Senior Loans are subject to a
            LIBOR floor that establishes a minimum base LIBOR rate.

      (i)   Senior Loans generally are subject to mandatory and/or optional
            prepayment. As a result, the actual remaining maturity of Senior
            Loans may be substantially less than the stated maturities shown.

      (j)   Non-income producing security.

                See Notes to Quarterly Portfolio of Investments           Page 9



FIRST TRUST HIGH INCOME LONG/SHORT FUND
PORTFOLIO OF INVESTMENTS  - (CONTINUED)
JULY 31, 2012 (UNAUDITED)


      (k)   Aggregate cost for financial reporting purposes, which approximates
            the aggregate cost for federal income tax purposes. As of July 31,
            2012, the aggregate gross unrealized appreciation for all securities
            in which there was an excess of value over tax cost was $23,317,822
            and the aggregate gross unrealized depreciation for all securities
            in which there was an excess of tax cost over value was $40,615,391.

      N/A   Not Applicable.


Currency Abbreviations:
      EUR   Euro Dollar
      GBP   British Pound Sterling
      USD   United States Dollar

---------------------------------------------------------------------

VALUATION INPUTS
A summary of the inputs used to value the Fund's investments as of July 31, 2012
is as follows (see Note A - Portfolio Valuation in the Notes to Quarterly
Portfolio of Investments):


                                                  ASSETS TABLE
                                                                                    LEVEL 2         LEVEL 3
                                                     TOTAL          LEVEL 1       SIGNIFICANT     SIGNIFICANT
                                                   VALUE AT         QUOTED        OBSERVABLE      UNOBSERVABLE
                                                   7/31/2012        PRICES          INPUTS           INPUTS
                                                ---------------  -------------  ---------------  --------------
                                                                                     
Corporate Bonds and Notes:
   Automotive.................................  $    28,200,163  $          --  $    28,198,063  $        2,100
   Other Industry Categories*.................      559,084,785             --      559,084,785              --
                                                ---------------  -------------  ---------------  --------------
      Total Corporate Bonds and Notes.........      587,284,948             --      587,282,848           2,100
Foreign Corporate Bonds and Notes*............      158,708,740             --      158,708,740              --
Senior Floating-Rate Loan Interests*..........       28,215,900             --       28,215,900              --
Asset-Backed Securities.......................       13,147,781             --       13,147,781              --
Mortgage-Backed Securities:
   Collateralized Mortgage Obligations........        4,833,857             --        4,833,857              --
   Commercial Mortgage-Backed Securities......        2,013,353             --        2,013,353              --
Common Stocks*................................        8,139,978      8,139,978               --              --
Warrants*.....................................        1,379,870      1,379,870               --              --
Short-Term Investments........................        8,684,307      8,684,307               --              --
                                                ---------------  -------------  ---------------  --------------
Total Investments.............................    $ 812,408,734  $  18,204,155  $   794,204,579  $        2,100
                                                ===============  =============  ===============  ==============

                                               LIABILITIES TABLE
                                                                                    LEVEL 2         LEVEL 3
                                                     TOTAL          LEVEL 1       SIGNIFICANT     SIGNIFICANT
                                                   VALUE AT         QUOTED        OBSERVABLE      UNOBSERVABLE
                                                   7/31/2012        PRICES          INPUTS           INPUTS
                                                ---------------  -------------  ---------------  --------------
U.S. Government Bonds Sold Short..............  $  (149,688,362) $          --  $  (149,688,362) $           --
Forward Foreign Currency Contracts**..........         (633,883)      (633,883)              --              --
                                                ---------------  -------------  ---------------  --------------
Total.........................................  $  (150,322,195) $    (633,883) $  (149,688,362) $           --
                                                ===============  =============  ===============  ==============



*   See the Portfolio of Investments for industry breakout.
**  See the Schedule of Forward Foreign Currency Contracts for contract and
    currency detail.


Page 10         See Notes to Quarterly Portfolio of Investments



FIRST TRUST HIGH INCOME LONG/SHORT FUND
PORTFOLIO OF INVESTMENTS  - (CONTINUED)
JULY 31, 2012 (UNAUDITED)


The following table presents the activity of the Fund's investments measured at
fair value on a recurring basis using significant unobservable inputs (Level 3)
for the period presented.


  INVESTMENTS AT FAIR VALUE                                                  CHANGE IN NET                   BALANCE
      USING SIGNIFICANT        BALANCE AS OF    TRANSFERS     NET REALIZED     UNREALIZED         NET         AS OF
     UNOBSERVABLE INPUTS        OCTOBER 31,    IN (OUT) OF       GAINS        APPRECIATION     PURCHASES    JULY 31,
          (LEVEL 3)                 2011         LEVEL 3        (LOSSES)     (DEPRECIATION)     (SALES)       2012
------------------------------ -------------- -------------- -------------- ---------------- ------------- -----------
                                                                                          
Corporate Bonds and Notes        $       --      $  2,100      $       --      $       --      $       --   $   2,100


There was no net change in unrealized appreciation (depreciation) from Level 3
investments held as of July 31, 2012.


                See Notes to Quarterly Portfolio of Investments          Page 11



FIRST TRUST HIGH INCOME LONG/SHORT FUND
SCHEDULE OF FORWARD FOREIGN CURRENCY CONTRACTS
JULY 31, 2012 (UNAUDITED)



                                      FORWARD FOREIGN CURRENCY CONTRACTS
                            ---------------------------------------------------------
                                                                         PURCHASE           SALE          UNREALIZED
SETTLEMENT                         AMOUNT               AMOUNT          VALUE AS OF      VALUE AS OF    APPRECIATION/
   DATE      COUNTERPARTY      PURCHASED (a)           SOLD (a)        JULY 31, 2012    JULY 31, 2012   (DEPRECIATION)
----------  --------------  --------------------  ------------------  ---------------  ---------------  --------------
                                                                                      
 09/13/12        JPM        USD     39,514,853    GBP     25,490,000   $   39,514,853   $   39,963,510  $    (448,657)
 09/13/12        JPM        USD     49,109,018    EUR     40,042,000       49,109,018       49,294,244       (185,226)
                                                                                                        --------------
Net Unrealized Appreciation (Depreciation)............................................................  $    (633,883)
                                                                                                        ==============


(a)   Please see Portfolio of Investments for currency descriptions.

Counterparty Abbreviations:
      JPM   JPMorgan Chase


Page 12         See Notes to Quarterly Portfolio of Investments





NOTES TO QUARTERLY PORTFOLIO OF INVESTMENTS

                    FIRST TRUST HIGH INCOME LONG/SHORT FUND
                           JULY 31, 2012 (UNAUDITED)


                       VALUATION AND INVESTMENT PRACTICES

A. PORTFOLIO VALUATION:

The net asset value ("NAV") of the Common Shares of First Trust High Income
Long/Short Fund (the "Fund") is determined daily, as of the close of regular
trading on the New York Stock Exchange ("NYSE"), normally 4:00 p.m. Eastern
time, on each day the NYSE is open for trading. If the NYSE closes early on a
valuation day, the NAV is determined as of that time. Domestic debt securities
and foreign securities are priced using data reflecting the earlier closing of
the principal markets for those securities. The NAV per Common Share is
calculated by dividing the value of all assets of the Fund (including accrued
interest and dividends), less all liabilities (including accrued expenses,
dividends declared but unpaid and any borrowings of the Fund), by the total
number of Common Shares outstanding.

The Fund's investments are valued daily in accordance with valuation procedures
adopted by the Fund's Board of Trustees and in accordance with provisions of the
Investment Company Act of 1940, as amended (the "1940 Act"). The Fund's
securities will be valued as follows:

      Corporate bonds, notes, U.S. Government Securities, Mortgage-backed
      Securities ("MBS"), Asset-backed Securities ("ABS") and other debt
      securities are valued on the basis of valuations provided by dealers who
      make markets in such securities or by an independent pricing service
      approved by the Fund's Board of Trustees, which may use the following
      valuation inputs when available:

            1)    benchmark yields;

            2)    reported trades;

            3)    broker/dealer quotes;

            4)    issuer spreads;

            5)    benchmark securities;

            6)    bids and offers; and

            7)    reference data including market research publications.

      A ready market does not exist for some of these investments. As such,
      these values may differ from the values that would have been used had a
      ready market for these investments existed, and the differences could be
      material.

      Common stocks, and other securities listed on any national or foreign
      exchange (excluding the NASDAQ National Market ("NASDAQ") and the London
      Stock Exchange Alternative Investment Market ("AIM") are valued at the
      last sale price on the exchange on which they are principally traded. If
      there are no transactions on the valuation day, the securities are valued
      at the mean between the most recent bid and asked prices.

      Securities listed on the NASDAQ or the AIM are valued at the official
      closing price. If there is no official closing price on the valuation day,
      the securities are valued at the mean between the most recent bid and
      asked prices.

      Securities traded in the over-the-counter market are valued at their
      closing bid prices.

      Credit default swaps, if any, are valued using a pricing service or, if
      the pricing service does not provide a value, by quotes provided by the
      selling dealer or financial institution.

      The loan assignments, participations and commitments ("Senior Loans")(1)
      held in the Fund are not listed on any securities exchange or board of
      trade. Senior Loans are typically bought and sold by institutional
      investors in individually negotiated private transactions that function in
      many respects like an over-the-counter secondary market, although
      typically no formal market-makers exist. This market, while having grown
      substantially since its inception, generally has fewer trades and less
      liquidity than the secondary market for other types of securities. Some
      Senior Loans have few or no trades, or trade infrequently, and information
      regarding a specific Senior Loan may not be widely available or may be
      incomplete. Accordingly, determinations of the market value of Senior
      Loans may be based on infrequent and dated information. Because there is
      less reliable, objective data available, elements of judgment may play a
      greater role in valuation of Senior Loans than for other types of
      securities. Typically, Senior Loans are valued using information provided
      by a third party pricing service. The third party pricing service
      primarily uses over-the-counter pricing from dealer runs and broker quotes
      from indicative sheets to value the Senior Loans.

      Forward foreign currency contracts are valued at the current day's
      interpolated foreign exchange rate, as calculated using the current day's
      spot rate, and the thirty, sixty, ninety, and one-hundred eighty day
      forward rates provided by an independent pricing service.

      Debt securities having a remaining maturity of sixty days or less when
      purchased are valued at cost adjusted for amortization of premiums and
      accretion of discounts.


1  The terms "security" and "securities" used throughout the Notes to
   Financial Statements include Senior Loans.

                                                                         Page 13




NOTES TO QUARTERLY PORTFOLIO OF INVESTMENTS - (CONTINUED)

                    FIRST TRUST HIGH INCOME LONG/SHORT FUND
                           JULY 31, 2012 (UNAUDITED)


In the event the pricing service or dealer does not provide a valuation, or the
valuations received are deemed unreliable, the Fund's Board of Trustees has
designated First Trust Advisors L.P. ("First Trust") to use a fair value method
to value the Fund's securities. Additionally, if events occur after the close of
the principal markets for certain securities (e.g., domestic debt and foreign
securities) that could materially affect the Fund's NAV, First Trust may use a
fair value method to value the Fund's securities. The use of fair value pricing
is governed by valuation procedures adopted by the Fund's Board of Trustees, and
in accordance with the provisions of the 1940 Act. As a general principle, the
fair value of a security is the amount which the Fund might reasonably expect to
receive for the security upon its current sale. However, in light of the
judgment involved in fair valuations, there can be no assurance that a fair
value assigned to a particular security will be the amount which the Fund might
be able to receive upon its current sale. Fair valuation of a security is based
on the consideration of all available information, including, but not limited
to, the following:

      1)    the fundamental business data relating to the issuer;

      2)    an evaluation of the forces which influence the market in which
            these securities are purchased and sold;

      3)    the type, size and cost of a security;

      4)    the financial statements of the issuer;

      5)    the credit quality and cash flow of the issuer, based on the
            Sub-Advisor's or external analysis;

      6)    the information as to any transactions in or offers for the
            security;

      7)    the price and extent of public trading in similar securities (or
            equity securities) of the issuer/borrower, or comparable companies;

      8)    the coupon payments;

      9)    the quality, value and salability of collateral, if any, securing
            the security;

      10)   the business prospects of the issuer, including any ability to
            obtain money or resources from a parent or affiliate and an
            assessment of the issuer's management;

      11)   the prospects for the issuer's industry, and multiples (of earnings
            and/or cash flows) being paid for similar businesses in that
            industry; and

      12)   other relevant factors.


The Fund is subject to fair value accounting standards that define fair value,
establish the framework for measuring fair value and provide a three-level
hierarchy for fair valuation based upon the inputs to the valuation as of the
measurement date. The three levels of the fair value hierarchy are as follows:

      o     Level 1 - Level 1 inputs are quoted prices in active markets for
            identical investments. An active market is a market in which
            transactions for the investment occur with sufficient frequency and
            volume to provide pricing information on an ongoing basis.

      o     Level 2 - Level 2 inputs are observable inputs, either directly or
            indirectly, and include the following:

            o     Quoted prices for similar investments in active markets.

            o     Quoted prices for identical or similar investments in markets
                  that are non-active. A non-active market is a market where
                  there are few transactions for the investment, the prices are
                  not current, or price quotations vary substantially either
                  over time or among market makers, or in which little
                  information is released publicly.

            o     Inputs other than quoted prices that are observable for the
                  investment (for example, interest rates and yield curves
                  observable at commonly quoted intervals, volatilities,
                  prepayment speeds, loss severities, credit risks, and default
                  rates).

            o     Inputs that are derived principally from or corroborated by
                  observable market data by correlation or other means.

      o     Level 3 - Level 3 inputs are unobservable inputs. Unobservable
            inputs may reflect the reporting entity's own assumptions about the
            assumptions that market participants would use in pricing the
            investments.

The inputs or methodology used for valuing investments are not necessarily an
indication of the risk associated with investing in those investments. A summary
of the inputs used to value the Fund's investments as of July 31, 2012, is
included with the Fund's Portfolio of Investments.

B. SECURITIES TRANSACTIONS:

Securities transactions are recorded as of the trade date. Realized gains and
losses from securities transactions are recorded on the identified cost basis.

Securities purchased on a when-issued, delayed-delivery or forward purchase
commitment basis may have extended settlement periods. The value of the security
so purchased is subject to market fluctuations during this period. The Fund
maintains liquid assets with a current value at least equal to the amount of its
when-issued, delayed-delivery or forward purchase commitments until payment is
made. At July 31, 2012, the Fund had no when-issued, delayed-delivery or forward
purchase commitments.


Page 14





NOTES TO QUARTERLY PORTFOLIO OF INVESTMENTS - (CONTINUED)

                    FIRST TRUST HIGH INCOME LONG/SHORT FUND
                           JULY 31, 2012 (UNAUDITED)



C. FORWARD FOREIGN CURRENCY CONTRACTS:

The Fund is subject to foreign currency risk in the normal course of pursuing
its investment objectives. Forward foreign currency contracts are agreements to
exchange one currency for another at a future date and at a specified price. The
Fund uses forward foreign currency contracts to facilitate transactions in
foreign securities and to manage the Fund's foreign currency exposure. These
contracts are valued daily, and the Fund's net equity therein, representing
unrealized gain or loss on the contracts as measured by the difference between
the forward foreign exchange rates at the dates of entry into the contracts and
the forward rates at the reporting date, is included on the Schedule of Forward
Foreign Currency Contracts. Risks arise from the possible inability of
counterparties to meet the terms of their contracts and from movement in
currency and securities values and interest rates. Due to the risks, the Fund
could incur losses in excess of the net unrealized value shown on the Schedule
of Forward Foreign Currency Contracts.

During the period ended July 31, 2012, the open and close notional values of
forward foreign currency contracts were $1,234,561,202 and $(1,237,204,037),
respectively.

D. FOREIGN CURRENCY:

The books and records of the Fund are maintained in U.S. dollars. Foreign
currencies, investments and other assets and liabilities are translated into
U.S. dollars at the exchange rates prevailing at the end of the period.
Purchases and sales of investments and items of income and expense are
translated on the respective dates of such transactions.

E. SHORT SALES:

Short sales are utilized for investment and risk management purposes and are
transactions in which securities or other instruments (such as options,
forwards, futures or other derivative contracts) are sold that are not currently
owned in the Fund's portfolio. When a short sale is engaged in, the security
sold short must be borrowed and delivered to the counterparty. Short selling
allows the Fund to profit from a decline in a market price to the extent such
decline exceeds the transaction costs and the costs of borrowing the securities.
The Fund will pay a fee or premium to borrow the securities and is obligated to
repay the lenders of the securities. Any dividends or interest that accrues on
the securities during the period of the loan are due to the lenders. A gain,
limited to the price at which the security was sold short, or a loss, unlimited
in size, will be recognized upon the termination of the short sale. Any such
gain or loss may be offset, completely or in part, by the change in the value of
the long portion of the Fund's portfolio. The Fund is subject to the risk it may
be unable to reacquire a security to terminate a short position except at a
price substantially in excess of the last quoted price. Also, there is the risk
that the counterparty to a short sale may fail to honor its contractual terms,
causing a loss to the Fund.


                                                                         Page 15




ITEM 2. CONTROLS AND PROCEDURES.

   (a) The registrant's principal executive and principal financial officers, or
       persons performing similar functions, have concluded that the
       registrant's disclosure controls and procedures (as defined in Rule
       30a-3(c) under the Investment Company Act of 1940, as amended (the "1940
       Act") (17 CFR 270.30a-3(c))) are effective, as of a date within 90 days
       of the filing date of the report that includes the disclosure required by
       this paragraph, based on their evaluation of these controls and
       procedures required by Rule 30a-3(b) under the 1940 Act (17 CFR
       270.30a-3(b)) and Rules 13a-15(b) or 15d-15(b) under the Securities
       Exchange Act of 1934, as amended (17 CFR 240.13a-15(b) or 240.15d-15(b)).

   (b) There were no changes in the registrant's internal control over financial
       reporting (as defined in Rule 30a-3(d) under the 1940 Act (17 CFR
       270.30a-3(d)) that occurred during the registrant's last fiscal quarter
       that have materially affected, or are reasonably likely to materially
       affect, the registrant's internal control over financial reporting.

ITEM 3. EXHIBITS.

Certifications pursuant to Rule 30a-2(a) under the 1940 Act and Section 302 of
the Sarbanes-Oxley Act of 2002 are attached hereto.


                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934 and the
Investment Company Act of 1940, the registrant has duly caused this report to be
signed on its behalf by the undersigned, thereunto duly authorized.

(Registrant)     First Trust High Income Long/Short Fund
            -------------------------------------------------

By (Signature and Title)*       /s/ Mark R. Bradley
                                ------------------------------------------------
                                Mark R. Bradley, President and
                                Chief Executive Officer
                                (principal executive officer)

Date  September 24, 2012
     -------------------------

Pursuant to the requirements of the Securities Exchange Act of 1934 and the
Investment Company Act of 1940, this report has been signed below by the
following persons on behalf of the registrant and in the capacities and on the
dates indicated.

By (Signature and Title)*       /s/ Mark R. Bradley
                                ------------------------------------------------
                                Mark R. Bradley, President and
                                Chief Executive Officer
                                (principal executive officer)

Date  September 24, 2012
     -------------------------

By (Signature and Title)*       /s/ James M. Dykas
                                ------------------------------------------------
                                James M. Dykas, Treasurer,
                                Chief Financial Officer and
                                Chief Accounting Officer
                                (principal financial officer)

Date  September 24, 2012
     -------------------------

* Print the name and title of each signing officer under his or her signature.