OMB APPROVAL OMB Number: 3235-0578 Expires: April 30, 2006 Estimated average burden hours per response..... 20.0 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q CERTIFIED SHAREHOLDER REPORT OF REGISTERED MANAGEMENT INVESTMENT COMPANIES Investment Company Act file number 811-09223 Pioneer Tax Advantaged Balanced Trust (Exact name of registrant as specified in charter) 60 State Street, Boston, MA 02109 (Address of principal executive offices) (ZIP code) Dorothy E. Bourassa, Pioneer Investment Management, Inc., 60 State Street, Boston, MA 02109 (Name and address of agent for service) Registrant's telephone number, including area code: (617) 742-7825 Date of fiscal year end: November 30 Date of reporting period: February 28, 2005 Form N-Q is to be used by management investment companies, other than small business investment companies registered on Form N-5 (239.24 and 274.5 of this chapter), to file reports with the Commission, not later than 60 days after close of the first and third fiscal quarters, pursuant to Rule 30b1-5under the Investment Company Act of 1940 (17 CFR 270.30b-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 Secretary, Securities and Exchange Commission, 450 Fifth Street, NW, Washington, DC 20549-0609. The OMB has reviewed this collection of information under the clearance requirements of 44 U.S.C. ss. 3507. ITEM 1. Schedule of Investments. Pioneer Tax Advantaged Balanced Trust SCHEDULE OF INVESTMENTS 2/28/05 (unaudited) Principal S&P/Moody's Amount Ratings Value TAX EXEMPT OBLIGATIONS - 75.4% of Net Assets Alabama - 2.9% $ 6,990,000AAA/Aaa Birmingham Waterworks & Sewer Revenue, 5.0%, 1/1/43 $ 7,144,199 5,000,00NR/A2 Huntsville Health Care Authority Revenue, 5.75%, 6/1/32 5,325,900 $ 12,470,099 Arizona - 2.9% 10,285,000BB-/Ca Gila County Industrial Development Authority, 5.55%, 1/1/27 $ 9,285,401 1,000,00NR/Baa3 Pima County Industrial Development Authority, 6.375%, 7/1/31 1,016,040 1,000,00NR/Baa3 Pima County Industrial Development Authority, 6.75%, 7/1/31 1,032,330 1,000,00NR/NR Pima County Industrial Development Authority, 7.5%, 7/1/34 1,017,220 $ 12,350,991 California - 1.2% 1,000,00BBB+/Baa1 California Health Facilities Authority Revenue, 5.25%, 7/1/23 $ 1,030,830 4,000,00BBB/Baa3 Golden State Tobacco Securitization Corp., 6.75%, 6/1/39 4,187,360 $ 5,218,190 Connecticut - 1.6% 4,190,00BBB/Baa1 Connecticut State Development Authority Pollution Control Revenue, 5.85%, $ 4,450,325 1,000,00AAA/Aaa Connecticut State Health & Educational Facilities Authority Revenue, 5.0%, 1,063,620 1,500,00BB+/NR Mohegan Tribe Indians Gaming Authority, 5.25%, 1/1/33 1,470,000 $ 6,983,945 District of Columbia - 1.0% 4,000,00BBB/Baa3 District of Columbia Tobacco Settlement Financing Corp., 6.75%, 5/15/40 $ 4,144,720 Florida - 5.6% 5,000,00AAA/Aa1 Florida State Board of Education, 5.0%, 6/1/16 $ 5,526,000 5,000,00A/A2 Highlands County Health Facilities Authority Revenue, 6.0%, 11/15/25 5,454,250 10,980,000AA-/Aa3 Jefferson Water & Sewer System Revenue, 5.0%, 10/1/41 11,075,526 2,025,00BB/NR Miami Beach Health Facilities Authority, 5.375%, 11/15/28 1,847,914 500,0BB/Ba2 Miami Beach Health Facilities Authority, 6.7%, 11/15/19 530,545 $ 24,434,235 Georgia - 1.4% 1,000,00AAA/Aaa Georgia State General Obligation, 2.0%, 12/1/23 $ 702,790 2,500,00BBB/NR Milledgeville-Baldwin County Development Authority Revenue, 5.5%, 9/1/24 2,636,500 2,500,00BBB/NR Milledgeville-Baldwin County Development Authority Revenue, 5.625%, 9/1/30 2,615,325 $ 5,954,615 Illinois - 5.0% 3,000,00AAA/Aaa Chicago Illinois General Obiligation, 5.0%, 1/1/28 $ 3,117,120 4,580,00A-/Baa1 Illinois Development Finance Authority Revenue, 5.25%, 10/1/24 4,779,688 5,000,00AA+/Aa1 Illinois Educational Facilities Authority Revenue, 5.0%, 12/1/38 5,153,400 2,000,00AA+/Aa2 Illinois Finance Authority Revenue, 5.5%, 8/15/43 2,130,020 5,095,00NR/A1 Illinois Health Facilities Authority Revenue, 5.75%, 7/1/15 5,462,349 1,130,00CCC/Caa1 Illinois Health Facilities Authority Revenue, 6.375%, 1/1/15 1,013,610 $ 21,656,187 Indiana - 2.2% 4,135,00BB+/Ba3 Indiana State Development Finance Authority Revenue, 5.75%, 10/1/11 $ 4,278,278 5,100,00AAA/Aaa Indiana Transportation Finance Authority Highway Revenue, 5.0%, 6/1/28 5,298,900 $ 9,577,178 Kansas - 1.4% 5,000,00AAA/Aaa Wyandotte County Unified Government Utility System Revenue, 5.65%, 9/1/19 $ 5,863,650 Louisiana - 1.7% 7,335,00BBB/Baa3 Tobacco Settlement Financing Corp., 5.875%, 5/15/39 $ 7,212,065 Maryland - 0.7% 3,000,00A/A3 Maryland State Health & Higher Educational Facilities Authority Revenue, 5 $ 3,082,980 Massachusetts - 4.8% 2,685,00NR/Aaa Lowell Massachusetts General Obiligation, 5.0%, 12/15/15 $ 2,983,384 2,000,00AA+/Aa1 Massachusetts Health & Educational Facilities Authority Revenue, 5.0%, 7/1 2,073,020 1,250,00AAA/Aaa Massachusetts Health & Educational Facilities Authority Revenue, 5.25%, 7/ 1,400,800 1,550,00BBB-/Baa3 Massachusetts Health & Educational Facilities Authority Revenue, 5.25%, 7/ 1,554,588 1,600,00BBB/NR Massachusetts Health & Educational Facilities Authority Revenue, 5.45%, 11 1,643,840 2,120,00BBB/Baa3 Massachusetts Health & Educational Facilities Authority Revenue, 5.625%, 7 2,167,403 900,0BBB/Baa3 Massachusetts Health & Educational Facilities Authority Revenue, 6.25%, 7/ 960,714 2,750,00BBB/Baa2 Massachusetts Health & Educational Facilities Authority Revenue, 6.625%, 7 2,938,513 500,0BBB-/NR Massachusetts State Development Finance Agency, 5.5%, 1/1/35 493,820 1,100,00BBB/Baa2 Massachusetts State Development Finance Agency, 5.625%, 10/1/24 1,153,526 1,000,00BBB/Baa2 Massachusetts State Development Finance Agency, 5.7%, 10/1/34 1,042,240 2,000,00AAA/Aaa University of Massachusetts Building Authority Project Revenue, 5.25%, 11/ 2,148,960 $ 20,560,808 Michigan - 1.8% 5,000,00BB/NR Macomb County Hospital Finance Authority Revenue, 5.875%, 11/15/34 $ 4,754,100 2,000,00A/A2 Michigan State Hospital Finance Authority Revenue, 5.5%, 11/1/15 2,184,680 1,025,00BB/Ba2 Pontiac Hospital Finance Authority Revenue, 6.0%, 8/1/07 1,013,612 $ 7,952,392 Pioneer Tax Advantaged Balanced Trust SCHEDULE OF INVESTMENTS 2/28/05 (unaudited) (continued) Principal S&P/Moody's Amount Ratings Value Minnesota - 0.8% $ 2,000,000A-/NR Duluth Economic Development Authority Health Care Facilities Revenue, 5.25 $ 2,055,800 1,500,00A-/NR Duluth Economic Development Authority Health Care Facilities Revenue, 5.25 1,538,775 $ 3,594,575 Missouri - 0.4% 1,720,00AA/Aa3 Missouri State Health & Educational Authority Health Facilities Revenue, 5 $ 1,806,860 Montana - 0.3% 1,350,00NR/A3 Montana Finance Authority Hospital Facilities Revenue, 5.0%, 6/1/24 $ 1,359,450 Nevada - 2.2% 3,000,00B-/NR Clark County Industrial Development Revenue, 5.5%, 10/1/30 $ 2,901,900 1,500,00BBB+/Baa1 Henderson Nevada Health Care Facilities Revenue, 5.625%, 7/1/24 1,582,350 5,000,00BB/Ba2 Washoe County Water Facility Revenue, 5.0%, 3/1/36 5,087,850 $ 9,572,100 New Hampshire - 1.6% 1,325,00AA/Aa2 Concord New Hampshire General Obligation, 5.0%, 7/15/13 $ 1,455,804 1,205,00AA/Aa2 Concord New Hampshire General Obligation, 5.0%, 7/15/14 1,325,946 1,020,00AA/Aa2 Concord New Hampshire General Obligation, 5.0%, 7/15/15 1,123,132 2,000,00NR/NR New Hampshire Business Finance Authority Revenue, 6.05%, 9/1/29 1,875,540 1,000,00A+/A2 New Hampshire Health & Education Facilities Authority Revenue, 5.75%, 10/1 1,065,660 $ 6,846,082 New Jersey - 3.4% 1,250,00BBB/Baa3 Camden County Improvement Authority Revenue, 5.75%, 2/15/34 $ 1,307,412 1,500,00BB/Ba2 New Jersey Health Care Facilities Financing Authority Revenue, 5.125%, 7/1 1,362,510 5,000,00BBB/Baa1 New Jersey Health Care Facilities Financing Authority Revenue, 5.375%, 7/1 5,158,950 3,500,00NR/NR New Jersey Health Care Facilities Financing Authority Revenue, 7.25%, 7/1/ 3,675,700 3,000,00BBB/Baa3 Tobacco Settlement Financing Corp., 6.25%, 6/1/43 3,007,290 $ 14,511,862 New Mexico - 0.6% 1,000,00AA/NR DoNa Ana County PILT Revenue, 5.25%, 12/1/25 $ 1,067,600 1,500,00NR/A3 Farmington New Mexico Hospital Revenue, 5.0%, 6/1/23 1,509,390 $ 2,576,990 New York - 4.9% 2,000,00NR/NR Dutchess County Industrial Development Agency Revenue, 7.5%, 3/1/29 $ 2,036,700 1,000,00NR/Aa2 New York City Industrial Development Agency, 5.0%, 7/1/27 1,044,720 1,000,00NR/Aa2 New York City Industrial Development Agency, 5.25%, 7/1/24 1,084,410 8,820,(aAA+/Aa2 New York City Transitional Finance Authority Revenue, 0.0%, 11/1/29 6,846,878 5,000,00AA-/A1 Port Authority of New York & New Jersey Revenue, 5.0%, 9/1/38 5,171,900 4,900,00AAA/Aaa Triborough Bridge & Tunnel Authority, 5.25%, 11/15/30 5,235,013 $ 21,419,621 North Carolina - 1.4% 3,000,00AA+/Aa1 North Carolina Capital Facilities Finance Agency Revenue, 5.125%, 7/1/42 $ 3,099,060 1,000,00AA/Aa3 North Carolina Capital Facilities Finance Agency Student Revenue, 5.0%, 6/ 1,029,510 1,000,00AA/Aa3 North Carolina Capital Facilities Finance Agency Student Revenue, 5.0%, 6/ 1,021,940 1,000,00NR/NR North Carolina Medical Care Commission Health Care Facilities Revenue, 5.0 1,016,200 $ 6,166,710 Ohio - 1.3% 2,000,00B-/Caa2 Cleveland Airport Special Revenue, 5.7%, 12/1/19 $ 1,580,240 3,000,00AAA/Aaa Columbus City School District, 5.0%, 12/1/32 3,129,270 1,000,00AAA/Aaa Hamilton County Hospital Facilities Revenue, 5.125%, 5/15/28 1,055,140 $ 5,764,650 Oregon - 0.7% 2,935,00NR/Aaa Oregon State Housing & Community Services Department Multi-Family Revenue, $ 3,029,566 Pennsylvania - 2.4% 5,000,00AAA/Aaa Pennsylvania State Turnpike Commission Oil Franchise Tax Revenue, 5.0%, 12 $ 5,208,400 3,000,00A-/NR Sayre Health Care Facilities Authority Revenue, 5.875%, 12/1/31 3,180,870 2,165,00AA+/Aa1 Swarthmore Borough Authority College Revenue, 5.0%, 9/15/31 2,224,516 $ 10,613,786 Puerto Rico - 3.9% 8,000,00A/Baa1 Puerto Rico Commonwealth Highway & Transportation Authority Revenue, 5.125 $ 8,276,800 5,000,00A-/Baa1 Puerto Rico Public Buildings Authority Revenue, 5.25%, 7/1/33 5,302,700 3,000,00BBB+/Baa2 Puerto Rico Public Finance Corp., 5.75%, 8/1/27 3,333,870 $ 16,913,370 Rhode Island - 1.1% 1,545,00BBB/Baa3 Tobacco Settlement Financing Corp., 6.125%, 6/1/32 $ 1,538,928 3,100,00BBB/Baa3 Tobacco Settlement Financing Corp., 6.25%, 6/1/42 3,101,426 $ 4,640,354 South Carolina - 4.1% 6,000,00A-/A3 Berkeley County School District Installment Lease, 5.0%, 12/1/28 $ 6,088,860 5,000,00AAA/Aaa Florence County Hospital Revenue, 5.25%, 11/1/34 5,327,550 3,500,00A/A2 Lexington County Health Services District, Inc., Hospital Revenue, 5.5%, 1 3,659,775 2,500,00A-/A3 South Carolina Jobs Economic Development Authority Revenue, 5.5%, 11/15/23 2,595,350 $ 17,671,535 Pioneer Tax Advantaged Balanced Trust SCHEDULE OF INVESTMENTS 2/28/05 (unaudited) (continued) Principal S&P/Moody's Amount Ratings Value Tennessee - 0.6% $ 2,500,000NR/Baa3 Knox County Health Educational & Housing Facilities Board Hospital Revenue $ 2,564,725 Texas - 3.5% 4,263,00NR/Aaa Houston Housing Financing Corp., 6.25%, 9/20/31 $ 4,722,168 2,750,00AAA/Aaa Lower Colorado River Authority, 5.0%, 5/15/31 2,826,890 1,711,00NR/Aaa Panhandle Regional Housing Finance Corp., 6.6%, 7/20/31 1,872,587 3,000,00BBB/Baa2 Richardson Hospital Authority, 6.0%, 12/1/34 3,133,590 1,000,00BBB-/NR Seguin Higher Education Facilities Corp. Revenue, 5.0%, 9/1/23 982,230 1,500,00NR/Baa3 Texas State Student Housing Revenue, 6.5%, 9/1/34 1,579,710 $ 15,117,175 Vermont - 0.3% 1,295,00AA/Aa3 Vermont Educational & Health Buildings Financing Agency Revenue, 5.0%, 7/1 $ 1,345,868 Virginia - 2.6% 5,000,00AA+/Aa1 Commonwealth of Virginia Transportation Revenue, 5.0%, 5/15/12 $ 5,489,300 1,500,00NR/A3 Prince William County Industrial Development Hospital Revenue, 5.2%, 10/1/ 1,566,150 3,925,00NR/A3 Prince William County Industrial Development Hospital Revenue, 5.35%, 10/1 4,119,052 $ 11,174,502 Washington - 4.3% 8,000,00AAA/Aaa King County Washington Sewer Revenue, 5.0%, 1/1/35 $ 8,247,120 3,000,00AAA/Aaa Spokane County General Obligation, 5.0%, 12/1/33 3,091,860 7,000,00BBB/Baa3 Tobacco Settlement Authority Revenue, 6.625%, 6/1/32 7,216,510 $ 18,555,490 Wisconsin - 0.8% 3,500,00BBB+/NR Wisconsin State Health & Educational Facilities Authority Revenue, 5.6%, 2 $ 3,564,295 TOTAL TAX-EXEMPT OBLIGATIONS (Cost $311,866,531) (b) $ 326,271,621 Shares COMMON STOCKS - 36.8% of Net Assets Energy - 1.5% Oil & Gas - 1.5% 50,000 ChevronTexaco Corp. $ 3,104,000 45,000 Kerr-McGee Corp. 3,494,700 Total Energy $ 6,598,700 Materials - 3.3% Chemicals - 2.9% 83,000 Eastman Chemical Co. $ 4,792,420 96,022 Lyondell Chemical Co. 3,250,345 61,128 PPG Industries, Inc. 4,398,160 $ 12,440,925 Construction Materials - 0.0% 3,950 Monarch Cement Co. $ 88,283 Metals & Mining - 0.4% 39,800 Freeport-McMoRan Copper & Gold, Inc. $ 1,664,436 200 Worthington Industries, Inc. 4,190 $ 1,668,626 Total Materials $ 14,197,834 Industrials - 0.9% Commercial Services & Supplies - 0.9% 39,600 R.R. Donnelley & Sons Co. $ 1,315,116 200,227 ServiceMaster Co. 2,661,017 Total Industrials $ 3,976,133 Capital Goods - 2.0% Automobiles - 0.7% 80,000 General Motors Corp. $ 2,853,600 Household Durables - 1.3% 50,000 Bassett Furniture Industries, Inc. $ 952,500 48,386 Kimball International, Inc. 691,436 33,700 Knape & Vogt Manufacturing Co. 432,438 166,444 Tupperware Corp. 3,410,438 $ 5,486,812 Total Capital Goods $ 8,340,412 Pioneer Tax Advantaged Balanced Trust SCHEDULE OF INVESTMENTS 2/28/05 (unaudited) (continued) Shares Value Food, Beverage & Tobacco - 4.4% Food & Staples Retailing - 0.5% 140,947 Lance, Inc. $ 2,245,286 Food Retail - 0.5% 78,100 ConAgra Foods, Inc. $ 2,133,692 Tobacco - 3.4% 76,000 Altria Group, Inc. $ 4,989,400 115,000 Loews Corp. - Carolina Group 3,765,100 33,000 Reynolds American, Inc. 2,704,350 56,000 UST, Inc. 3,060,400 $ 14,519,250 Total Food, Beverage & Tobacco $ 18,898,228 Health Care - 3.2% Pharmaceuticals - 3.2% 281,215 Bristol-Myers Squibb Co. $ 7,038,811 216,536 Merck & Co., Inc. 6,864,191 Total Health Care $ 13,903,002 Financials - 4.4% Commercial Banks - 3.9% 78,200 FirstMerit Corp. $ 2,035,546 163,100 KeyCorp 5,382,300 90,000 National City Corp. 3,219,300 67,800 Regions Financial Corp. 2,187,228 222,700 TrustCo Bank Corp., NY 2,674,627 28,642 Wachovia Corp. 1,518,312 $ 17,017,313 Thrifts & Mortgage Finance - 0.5% 50,000 Washington Mutual, Inc. $ 2,098,000 Total Financials $ 19,115,313 Telecommunication Services - 2.6% Diversified Telecommunication Services - 2.6% 257,900 AT&T Corp. $ 5,010,997 260,000 SBC Communications, Inc. 6,253,000 Total Diversified Telecommunication Services $ 11,263,997 Wireless Telecommunication Services - 0.0% (c) Nextel Communications, Inc. $ 27,164 Total Wireless Telecommunication Services $ 27,164 Total Telecommunication Services $ 11,291,161 Utilities - 14.5% Electric Utilities - 10.0% 137,135 Ameren Corp. $ 7,058,338 200,000 Consolidated Edison, Inc. 8,550,000 138,400 Empire District Electric Co. 3,147,216 229,293 Exelon Corp. 10,400,730 74,383 Great Plains Energy, Inc. 2,305,129 67,056 NSTAR 3,721,608 64,000 PG&E Corp. 2,251,520 179,000 Southern Co. 5,749,480 $ 43,184,021 Gas Utilities - 2.6% 172,185 Atmos Energy Corp. $ 4,747,140 167,249 KeySpan Corp. 6,614,698 $ 11,361,838 Multi-Utilities - 1.9% 303,253 Duke Energy Corp. $ 8,184,799 Total Utilities $ 62,730,658 TOTAL COMMON STOCKS (Cost $147,394,375) $ 159,051,441 Pioneer Tax Advantaged Balanced Trust SCHEDULE OF INVESTMENTS 2/28/05 (unaudited) (continued) Shares Value NON-CONVERTIBLE PREFERRED STOCKS - 25.3% of Net Assets Energy - 1.2% Oil & Gas - 1.2% 49,300 Apache Corp., Series B, 5.68% $ 5,077,900 Total Energy $ 5,077,900 Financials - 20.1% Capital Markets - 3.3% 57,000 Bear Stearns Companies, Inc., Series F, 5.72% $ 3,021,000 40,000 Bear Stearns Companies, Inc., Series G, 5.49% 2,020,000 100,000 Lehman Brothers Holdings, Inc., 6.5% 2,710,000 19,000 Lehman Brothers Holdings, Inc., Series C, 5.94% 986,100 30,000 Lehman Brothers Holdings, Inc., Series D, 5.67% 1,530,000 65,000 Merrill Lynch Preferred Capital Trust IV, 7.12% 1,734,119 87,000 Merrill Lynch Preferred Capital Trust V, 7.28% 2,346,549 $ 14,347,768 Commercial Banks - 3.7% 94,000 Bank of America Corp., Series VI, 6.75% $ 5,217,000 30,000 Bank One Capital V, 8.0% 778,737 105,000 Bank One Capital VI, 7.2% 2,744,198 27,000 Fleet Capital Trust VII, 7.2% 700,116 200,000 Royal Bank of Scotland Group Plc, Series L, 5.75% 4,950,000 55,000 Wachovia Preferred Funding Corp., Series A, 7.25% 1,591,150 $ 15,981,201 Consumer Finance - 0.8% 18,000 MBNA Capital, Series D, 8.125% $ 480,908 50,000 SLM Holding Corp., Series A, 6.97% 2,850,000 $ 3,330,908 Diversified Financial Services - 1.7% 55,000 Citigroup Inc., Series G, 6.213% $ 2,882,000 81,500 Citigroup Inc., Series M, 5.864% 4,303,200 $ 7,185,200 Insurance - 2.2% 110,000 ACE Ltd., Series C, 7.8% $ 2,943,600 70,000 RenaissanceRe Holdings, Ltd., Series C, 6.08% 1,716,400 70,000 St. Paul Capital Trust I, 7.6% 1,819,452 109,000 XL Capital, Ltd., Series B, 7.625% 2,923,380 $ 9,402,832 Real Estate - 2.2% 27,000 Equity Office Properties Trust, Series G, 7.75% $ 718,200 92,000 Home Properties New York, Inc., Series F, 9.0% 2,520,800 40,000 Prologis Trust, Series G, 6.75% 1,029,600 60,000 PS Business Parks, Inc., Series H, 7.0% 1,509,000 22,000 PS Business Parks, Inc., Series I, 6.875% 547,800 35,480 Public Storage, Inc., Series T, 7.625% 932,060 94,000 Regency Centers Corp., Series C, 7.45% 2,444,940 $ 9,702,400 Thrifts & Mortgage Finance - 6.2% 12,000 Countrywide Capital IV, 6.75% $ 309,641 201,000 Fannie Mae, Series L, 5.125% 9,175,650 114,000 Fannie Mae, Series M, 4.75% 4,788,000 100,000 Fannie Mae, Series N, 5.5% 4,841,000 57,000 Freddie Mac, 5.81% 3,075,150 39,000 Freddie Mac, Series F, 5.0% 1,743,690 58,000 Freddie Mac, Series K, 5.79% 2,960,900 $ 26,894,031 Total Financials $ 86,844,340 Utilities - 4.0% Electric Utilities - 3.6% 98,000 Alabama Power Co., 5.3% $ 2,486,750 113,000 Alabama Power Co., 5.83% 2,951,560 80,000 Energy East Capital Trust I, 8.25% 2,090,602 78,000 Interstate Power and Light Co., Series B, 8.375% 2,676,180 40,000 Mississippi Power Co., 5.25% 988,752 7,700 PPL Electric Utilities Corp., 4.5% 650,650 72,000 Southern California Edison Co., 4.32% 1,472,400 94,000 Virginia Power Capital Trust II, 7.375% 2,475,146 $ 15,792,040 Gas Utilities - 0.4% 62,000 Southern Union Co., Series C, 7.55% $ 1,715,540 Total Utilities $ 17,507,580 TOTAL NON-CONVERTIBLE PREFERRED STOCKS (Cost $109,212,187) $ 109,429,820 Pioneer Tax Advantaged Balanced Trust SCHEDULE OF INVESTMENTS 2/28/05 (unaudited) (continued) Shares Value CONVERTIBLE PREFERRED STOCKS - 2.1% of Net Assets Industrials - 0.5% Aerospace & Defense - 0.5% 15,000 Northrop Grumman Corp., 7.0% $ 1,995,000 Total Industrials $ 1,995,000 Telecommunication Services - 1.4% Diversified Telecommunication Services - 1.4% 60,000 Alltel Corp., 7.75% $ 3,038,400 126,000 CenturyTel, Inc., 6.875% 3,173,940 Total Telecommunication Services $ 6,212,340 Utilities - 0.2% Electric Utilities - 0.2% 31,000 DTE Energy Co., 8.75% $ 784,300 Total Utilities $ 784,300 TOTAL CONVERTIBLE PREFERRED STOCKS (Cost $8,778,406) $ 8,991,640 TAX-EXEMPT MONEY MARKET MUTUAL FUND - 0.9% of Net Assets 4,057,293 BlackRock Provident Institutional Municipal Fund $ 4,057,293 TOTAL TAX-EXEMPT MONEY MARKET MUTUAL FUND (Cost $4,057,293) $ 4,057,293 TOTAL INVESTMENTS IN SECURITIES - 140.5% (Cost $581,308,792) (d) $ 607,801,815 OTHER ASSETS AND LIABILITIES 0.2% $ 1,133,699 PREFERRED SHARES AT REDEMPTION VALUE INCLUDING DIVIDENDS PAYABLE - (40.7)% $ (176,250,000) NET ASSETS APPLICABLE TO COMMON SHAREOWNERS - 100.0% $ 432,685,514 NR Security not rated by S&P or Moody's. (a) Indicates a security that has a zero coupon that remains in effect until a predetermined date at which time the stated coupon rate becomes effective until final maturity. (b) The concentration of tax-exempt investments by type of obligation/market sector is as follows: Insured 20.6 General Obligation 1.4 Revenue Bonds: Health Revenue 27.2 Development Revenue 10.1 Tobacco Revenue 9.2 Education Revenue 5.9 Transportation Revenue 5.7 Other 4.7 School District Revenue 3.5 Utilities Revenue 3.4 Housing Revenue 2.9 Facilities Revenue 1.6 Water Revenue 1.5 Pollution Revenue 1.4 Airport Revenue 0.5 Gaming Revenue 0.4 100.0 Pioneer Tax Advantaged Balanced Trust SCHEDULE OF INVESTMENTS 2/28/05 (unaudited) (continued) (c) Non-incoming producing. (d) At February 28, 2005, the net unrealized gain on investments based on cost for federal income tax purposes of $581,291,957 was as follows: Aggregate gross unrealized gain for all investments in which there is an excess of val $ 32,996,499 Aggregate gross unrealized loss for all investments in which there is an excess of tax (6,486,641) Net unrealized gain $ 26,509,858 For financial reporting purposes net unrealized gain on investments was $26,493,023 and cost of investments aggregated $581,308,792. Purchases and sales of securities (excluding temporary cash investments) for the period ended February 28, 2005, aggregated $37,287,440. and $36,198,072, respectively. The interest rate swaps outstanding as of February 28, 2005 were as follows: Termination Notional Fixed Unrealized Counterparty Date Amount (000) Rate Floating Rate Appreciation UBS AG Sept. 1, 2009 $106,000 2.855% 1 month BMA $1,557,882 ITEM 2. CONTROLS AND PROCEDURES. (a) Disclose the conclusions of the registrant's principal executive officer or officers and principal financial officer or officers, or persons performing similar functions, about the effectiveness of the registrant's disclosure controls and procedures (as defined in Rule 30a-3(c) under the Act (17 CFR 270.30a-3(c))) 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 Act (17 CFR270.30a-3(b))) and Rule 13a-15(b) or 15d-15(b) under the Exchange Act (17 CFR240.13a-15(b) or 240.15d-15(b)). The registrant's certifying officers have determined that the registrant's disclosure controls and procedures are effective based on an evaluation of these controls and procedures as of a date within 90 days prior to the filing date of this report. (b) Disclose any change in the registrant's internal controls over financial reporting (as defined in Rule 30a-3(d) under the Act (17 CFR270.30a-3(d)) that occurred during the registrant's last fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting. There was no significant change in the registrant's internal controls over financial reporting that occurred during the registrant's last fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting. ITEM 3. EXHIBITS. (a) A separate certification for each principal executive officer and principal financial officer of the registrant as required by Rule 30a-2 under the Act (17 CFR 270.30a-2). Filed herewith. SIGNATURES [See General Instruction F] 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) Pioneer Tax Advantaged Balanced Trust By (Signature and Title)* /s/ John F. Cogan, Jr. John F. Cogan, Jr, President Date April 30, 2005 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/ John F. Cogan, Jr. John F. Cogan, Jr., President Date April 30, 2005 By (Signature and Title)* /s/ Vincent Nave Vincent Nave, Treasurer Date April 30, 2005 * Print the name and title of each signing officer under his or her signature.