------------------------------ OMB APPROVAL ------------------------------ OMB Number: 3235-0145 Expires: December 31, 2005 Estimated average burden hours per response. . . . 11 ------------------------------ SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G (Section 240.13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO SECTIONS 240.13d-1(b), (c) and(d) AND AMENDMENTS THERETO FILED PURSUANT TO SECTION 240.13d-2 (Amendment No. ___________)1 Gartner, Inc. -------------------------------------------------------------------------------- (Name of Issuer) Common Stock, Class B, $0.0005 Par Value -------------------------------------------------------------------------------- (Title of Class of Securities) 366651206 -------------------------------------------------------------------------------- (CUSIP Number) December 31, 2002 -------------------------------------------------------------------------------- (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: |_| Rule 13d-1(b) |X| Rule 13d-1(c) |_| Rule 13d-1(d) -------- 1 The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). Page 1 of 22 Pages 13G =================== CUSIP No. 366651206 =================== ------------==================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Farallon Capital Partners, L.P. ------------==================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ]** ** The reporting persons making this filing hold an aggregate of 1,555,180 Shares, which is 5.2% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page. ------------==================================================================== 3 SEC USE ONLY ------------==================================================================== 4 CITIZENSHIP OR PLACE OF ORGANIZATION California -------------------------------------=========================================== NUMBER OF 5 SOLE VOTING POWER SHARES -0- ------------=========================================== BENEFICIALLY 6 SHARED VOTING POWER OWNED BY 378,870 ------------=========================================== EACH 7 SOLE DISPOSITIVE POWER REPORTING -0- ------------=========================================== PERSON 8 SHARED DISPOSITIVE POWER WITH 378,870 -------------------------------------=========================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 378,870 ------------==================================================================== 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ] ------------==================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.3 % ------------==================================================================== 12 TYPE OF REPORTING PERSON (See Instructions) PN ------------==================================================================== Page 2 of 22 Pages 13G =================== CUSIP No. 366651206 =================== ------------==================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Farallon Capital Institutional Partners, L.P. ------------==================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ]** ** The reporting persons making this filing hold an aggregate of 1,555,180 Shares, which is 5.2% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page. ------------==================================================================== 3 SEC USE ONLY ------------==================================================================== 4 CITIZENSHIP OR PLACE OF ORGANIZATION California -------------------------------------=========================================== NUMBER OF 5 SOLE VOTING POWER SHARES -0- ------------=========================================== BENEFICIALLY 6 SHARED VOTING POWER OWNED BY 363,780 ------------=========================================== EACH 7 SOLE DISPOSITIVE POWER REPORTING -0- ------------=========================================== PERSON 8 SHARED DISPOSITIVE POWER WITH 363,780 -------------------------------------=========================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 363,780 ------------==================================================================== 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ] ------------==================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.2 % ------------==================================================================== 12 TYPE OF REPORTING PERSON (See Instructions) PN ------------==================================================================== Page 3 of 22 Pages 13G =================== CUSIP No. 366651206 =================== ------------==================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Farallon Capital Institutional Partners II, L.P. ------------==================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ]** ** The reporting persons making this filing hold an aggregate of 1,555,180 Shares, which is 5.2% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page. ------------==================================================================== 3 SEC USE ONLY ------------==================================================================== CITIZENSHIP OR PLACE OF ORGANIZATION 4 California -------------------------------------=========================================== NUMBER OF 5 SOLE VOTING POWER SHARES -0- ------------=========================================== BENEFICIALLY 6 SHARED VOTING POWER OWNED BY 60,180 ------------=========================================== EACH 7 SOLE DISPOSITIVE POWER REPORTING -0- ------------=========================================== PERSON 8 SHARED DISPOSITIVE POWER WITH 60,180 -------------------------------------=========================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 60,180 ------------==================================================================== 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ] ------------==================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.2 % ------------==================================================================== 12 TYPE OF REPORTING PERSON (See Instructions) PN ------------==================================================================== Page 4 of 22 Pages 13G =================== CUSIP No. 366651206 =================== ------------==================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Farallon Capital Institutional Partners III, L.P. ------------==================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ]** ** The reporting persons making this filing hold an aggregate of 1,555,180 Shares, which is 5.2% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page. ------------==================================================================== 3 SEC USE ONLY ------------==================================================================== 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------=========================================== NUMBER OF 5 SOLE VOTING POWER SHARES -0- ------------=========================================== BENEFICIALLY 6 SHARED VOTING POWER OWNED BY 88,030 ------------=========================================== EACH 7 SOLE DISPOSITIVE POWER REPORTING -0- ------------=========================================== PERSON 8 SHARED DISPOSITIVE POWER WITH 88,030 -------------------------------------=========================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 88,030 ------------==================================================================== 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ] ------------==================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.3 % ------------==================================================================== 12 TYPE OF REPORTING PERSON (See Instructions) PN ------------==================================================================== Page 5 of 22 Pages 13G =================== CUSIP No. 366651206 =================== ------------==================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Tinicum Partners, L.P. ------------==================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ]** ** The reporting persons making this filing hold an aggregate of 1,555,180 Shares, which is 5.2% of the class of securities. The reporting person on this cover page, however, is a beneficial owner only of the securities reported by it on this cover page. ------------==================================================================== 3 SEC USE ONLY ------------==================================================================== 4 CITIZENSHIP OR PLACE OF ORGANIZATION New York -------------------------------------=========================================== NUMBER OF 5 SOLE VOTING POWER SHARES -0- ------------=========================================== BENEFICIALLY 6 SHARED VOTING POWER OWNED BY 25,130 ------------=========================================== EACH 7 SOLE DISPOSITIVE POWER REPORTING -0- ------------=========================================== PERSON 8 SHARED DISPOSITIVE POWER WITH 25,130 -------------------------------------=========================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 25,130 ------------==================================================================== 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ] ------------==================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.1 % ------------==================================================================== 12 TYPE OF REPORTING PERSON (See Instructions) PN ------------==================================================================== Page 6 of 22 Pages 13G =================== CUSIP No. 366651206 =================== ------------==================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Farallon Capital Management, L.L.C. ------------==================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ]** ** The reporting persons making this filing hold an aggregate of 1,555,180 Shares, which is 5.2% of the class of securities. The reporting person on this cover page, however, may be deemed a beneficial owner only of the securities reported by it on this cover page. ------------==================================================================== 3 SEC USE ONLY ------------==================================================================== 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------=========================================== NUMBER OF 5 SOLE VOTING POWER SHARES -0- ------------=========================================== BENEFICIALLY 6 SHARED VOTING POWER OWNED BY 639,190 ------------=========================================== EACH 7 SOLE DISPOSITIVE POWER REPORTING -0- ------------=========================================== PERSON 8 SHARED DISPOSITIVE POWER WITH 639,190 -------------------------------------=========================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 639,190 ------------==================================================================== 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ] ------------==================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 2.1 % ------------==================================================================== 12 TYPE OF REPORTING PERSON (See Instructions) IA,OO ------------==================================================================== Page 7 of 22 Pages 13G =================== CUSIP No. 366651206 =================== ------------==================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Farallon Partners, L.L.C. ------------==================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ]** ** The reporting persons making this filing hold an aggregate of 1,555,180 Shares, which is 5.2% of the class of securities. The reporting person on this cover page, however, may be deemed a beneficial owner only of the securities reported by it on this cover page. ------------==================================================================== 3 SEC USE ONLY ------------==================================================================== 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------------------------=========================================== NUMBER OF 5 SOLE VOTING POWER SHARES -0- ------------=========================================== BENEFICIALLY 6 SHARED VOTING POWER OWNED BY 915,990 ------------=========================================== EACH 7 SOLE DISPOSITIVE POWER REPORTING -0- ------------=========================================== PERSON 8 SHARED DISPOSITIVE POWER WITH 915,990 -------------------------------------=========================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 915,990 ------------==================================================================== 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ] ------------==================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 3.1 % ------------==================================================================== 12 TYPE OF REPORTING PERSON (See Instructions) OO ------------==================================================================== Page 8 of 22 Pages 13G =================== CUSIP No. 366651206 =================== ------------==================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) David I. Cohen ------------==================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ]** ** The reporting persons making this filing hold an aggregate of 1,555,180 Shares, which is 5.2% of the class of securities. The reporting person on this cover page, however, may be deemed a beneficial owner only of the securities reported by it on this cover page. ------------==================================================================== 3 SEC USE ONLY ------------==================================================================== 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------=========================================== NUMBER OF 5 SOLE VOTING POWER SHARES -0- ------------=========================================== BENEFICIALLY 6 SHARED VOTING POWER OWNED BY 1,555,180 ------------=========================================== EACH 7 SOLE DISPOSITIVE POWER REPORTING -0- ------------=========================================== PERSON 8 SHARED DISPOSITIVE POWER WITH 1,555,180 -------------------------------------=========================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,555,180 ------------==================================================================== 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ] ------------==================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.2 % ------------==================================================================== 12 TYPE OF REPORTING PERSON (See Instructions) IN ------------==================================================================== Page 9 of 22 Pages 13G =================== CUSIP No. 366651206 =================== ------------==================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Joseph F. Downes ------------==================================================================== CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ]** ** The reporting persons making this filing hold an aggregate of 1,555,180 Shares, which is 5.2% of the class of securities. The reporting person on this cover page, however, may be deemed a beneficial owner only of the securities reported by it on this cover page. ------------==================================================================== 3 SEC USE ONLY ------------==================================================================== 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------=========================================== NUMBER OF 5 SOLE VOTING POWER SHARES -0- ------------=========================================== BENEFICIALLY 6 SHARED VOTING POWER OWNED BY 1,555,180 ------------=========================================== EACH 7 SOLE DISPOSITIVE POWER REPORTING -0- ------------=========================================== PERSON 8 SHARED DISPOSITIVE POWER WITH 1,555,180 -------------------------------------=========================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,555,180 ------------==================================================================== 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ] ------------==================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.2 % ------------==================================================================== 12 TYPE OF REPORTING PERSON (See Instructions) IN ------------==================================================================== Page 10 of 22 Pages 13G =================== CUSIP No. 366651206 =================== ------------==================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) William F. Duhamel ------------==================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ]** ** The reporting persons making this filing hold an aggregate of 1,555,180 Shares, which is 5.2% of the class of securities. The reporting person on this cover page, however, may be deemed a beneficial owner only of the securities reported by it on this cover page. ------------==================================================================== 3 SEC USE ONLY ------------==================================================================== 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------=========================================== NUMBER OF 5 SOLE VOTING POWER SHARES -0- ------------=========================================== BENEFICIALLY 6 SHARED VOTING POWER OWNED BY 1,555,180 ------------=========================================== EACH 7 SOLE DISPOSITIVE POWER REPORTING -0- ------------=========================================== PERSON 8 SHARED DISPOSITIVE POWER WITH 1,555,180 -------------------------------------=========================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,555,180 ------------==================================================================== 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ] ------------==================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.2 % ------------==================================================================== 12 TYPE OF REPORTING PERSON (See Instructions) IN ------------==================================================================== Page 11 of 22 Pages 13G =================== CUSIP No. 366651206 =================== ------------==================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Richard B. Fried ------------==================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ]** ** The reporting persons making this filing hold an aggregate of 1,555,180 Shares, which is 5.2% of the class of securities. The reporting person on this cover page, however, may be deemed a beneficial owner only of the securities reported by it on this cover page. ------------==================================================================== 3 SEC USE ONLY ------------==================================================================== 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------=========================================== NUMBER OF 5 SOLE VOTING POWER SHARES -0- ------------=========================================== BENEFICIALLY 6 SHARED VOTING POWER OWNED BY 1,555,180 ------------=========================================== EACH 7 SOLE DISPOSITIVE POWER REPORTING -0- ------------=========================================== PERSON 8 SHARED DISPOSITIVE POWER WITH 1,555,180 -------------------------------------=========================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,555,180 ------------==================================================================== 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ] ------------==================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.2 % ------------==================================================================== 12 TYPE OF REPORTING PERSON (See Instructions) IN ------------==================================================================== Page 12 of 22 Pages 13G =================== CUSIP No. 366651206 =================== ------------==================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Monica R. Landry ------------==================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ]** ** The reporting persons making this filing hold an aggregate of 1,555,180 Shares, which is 5.2% of the class of securities. The reporting person on this cover page, however, may be deemed a beneficial owner only of the securities reported by it on this cover page. ------------==================================================================== 3 SEC USE ONLY ------------==================================================================== 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------=========================================== NUMBER OF 5 SOLE VOTING POWER SHARES -0- ------------=========================================== BENEFICIALLY 6 SHARED VOTING POWER OWNED BY 1,555,180 ------------=========================================== EACH 7 SOLE DISPOSITIVE POWER REPORTING -0- ------------=========================================== PERSON 8 SHARED DISPOSITIVE POWER WITH 1,555,180 -------------------------------------=========================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,555,180 ------------==================================================================== 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ] ------------==================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.2 % ------------==================================================================== 12 TYPE OF REPORTING PERSON (See Instructions) IN ------------==================================================================== Page 13 of 22 Pages 13G =================== CUSIP No. 366651206 =================== ------------==================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) William F. Mellin ------------==================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ]** ** The reporting persons making this filing hold an aggregate of 1,555,180 Shares, which is 5.2% of the class of securities. The reporting person on this cover page, however, may be deemed a beneficial owner only of the securities reported by it on this cover page. ------------==================================================================== 3 SEC USE ONLY ------------==================================================================== 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------=========================================== NUMBER OF 5 SOLE VOTING POWER SHARES -0- ------------=========================================== BENEFICIALLY 6 SHARED VOTING POWER OWNED BY 1,555,180 ------------=========================================== EACH 7 SOLE DISPOSITIVE POWER REPORTING -0- ------------=========================================== PERSON 8 SHARED DISPOSITIVE POWER WITH 1,555,180 -------------------------------------=========================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,555,180 ------------==================================================================== 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ] ------------==================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.2 % ------------==================================================================== 12 TYPE OF REPORTING PERSON (See Instructions) IN ------------==================================================================== Page 14 of 22 Pages 13G =================== CUSIP No. 366651206 =================== ------------==================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Stephen L. Millham ------------==================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ]** ** The reporting persons making this filing hold an aggregate of 1,555,180 Shares, which is 5.2% of the class of securities. The reporting person on this cover page, however, may be deemed a beneficial owner only of the securities reported by it on this cover page. ------------==================================================================== 3 SEC USE ONLY ------------==================================================================== 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------=========================================== NUMBER OF 5 SOLE VOTING POWER SHARES -0- ------------=========================================== BENEFICIALLY 6 SHARED VOTING POWER OWNED BY 1,555,180 ------------=========================================== EACH 7 SOLE DISPOSITIVE POWER REPORTING -0- ------------=========================================== PERSON 8 SHARED DISPOSITIVE POWER WITH 1,555,180 -------------------------------------=========================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,555,180 ------------==================================================================== 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ] ------------==================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.2 % ------------==================================================================== 12 TYPE OF REPORTING PERSON (See Instructions) IN ------------==================================================================== Page 15 of 22 Pages 13G =================== CUSIP No. 366651206 =================== ------------==================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Thomas F. Steyer ------------==================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ]** ** The reporting persons making this filing hold an aggregate of 1,555,180 Shares, which is 5.2% of the class of securities. The reporting person on this cover page, however, may be deemed a beneficial owner only of the securities reported by it on this cover page. ------------==================================================================== 3 SEC USE ONLY ------------==================================================================== 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------=========================================== NUMBER OF 5 SOLE VOTING POWER SHARES -0- ------------=========================================== BENEFICIALLY 6 SHARED VOTING POWER OWNED BY 1,555,180 ------------=========================================== EACH 7 SOLE DISPOSITIVE POWER REPORTING -0- ------------=========================================== PERSON 8 SHARED DISPOSITIVE POWER WITH 1,555,180 -------------------------------------=========================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,555,180 ------------==================================================================== 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ] ------------==================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.2 % ------------==================================================================== 12 TYPE OF REPORTING PERSON (See Instructions) IN ------------==================================================================== Page 16 of 22 Pages 13G =================== CUSIP No. 366651206 =================== ------------==================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Mark C. Wehrly ------------==================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [ ] (b) [ X ]** ** The reporting persons making this filing hold an aggregate of 1,555,180 Shares, which is 5.2% of the class of securities. The reporting person on this cover page, however, may be deemed a beneficial owner only of the securities reported by it on this cover page. ------------==================================================================== 3 SEC USE ONLY ------------==================================================================== 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------=========================================== NUMBER OF 5 SOLE VOTING POWER SHARES -0- ------------=========================================== BENEFICIALLY 6 SHARED VOTING POWER OWNED BY 1,555,180 ------------=========================================== EACH 7 SOLE DISPOSITIVE POWER REPORTING -0- ------------=========================================== PERSON 8 SHARED DISPOSITIVE POWER WITH 1,555,180 -------------------------------------=========================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,555,180 ------------==================================================================== 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) [ ] ------------==================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.2 % ------------==================================================================== 12 TYPE OF REPORTING PERSON (See Instructions) IN ------------==================================================================== Page 17 of 22 Pages Item 1. Issuer ------ ------ (a) Name of Issuer: -------------- Gartner, Inc. (the "Company")(formerly known as Gartner Group, Inc.) (b) Address of Issuer's Principal Executive Offices: ----------------------------------------------- P.O. Box 10212, 56 Top Gallant Road, Stamford, CT 06904-2212 Item 2. Identity And Background. ------ ----------------------- Title Of Class Of Securities And CUSIP Number (Item 2(d) and (e)) ---------------------------------------------------------------- This statement relates to Shares of Common Stock, Class B, $0.0005 Par Value (the "Shares") of the Company. The CUSIP number of the Shares is 366651206. Name Of Persons Filing, Address Of Principal Business Office And ---------------------------------------------------------------- Citizenship (Item 2(a), (b) and (c)) ------------------------------------ This statement is filed by the entities and persons listed below, all of whom together are referred to herein as the "Reporting Persons." The Partnerships ---------------- (i) Farallon Capital Partners, L.P., a California limited partnership ("FCP"), with respect to the Shares held by it; (ii) Farallon Capital Institutional Partners, L.P., a California limited partnership ("FCIP"), with respect to the Shares held by it; (iii)Farallon Capital Institutional Partners II, L.P., a California limited partnership ("FCIP II"), with respect to the Shares held by it; (iv) Farallon Capital Institutional Partners III, L.P., a Delaware limited partnership ("FCIP III"), with respect to the Shares held by it; and (v) Tinicum Partners, L.P., a New York limited partnership ("Tinicum"), with respect to the Shares held by it. FCP, FCIP, FCIP II, FCIP III and Tinicum are together referred to herein as the Partnerships." The Management Company ---------------------- Page 18 of 22 Pages (vi) Farallon Capital Management, L.L.C., a Delaware limited liability company (the "Management Company"), with respect to the Shares held by certain accounts managed by the Management Company (the "Managed Accounts"). The General Partner Of The Partnerships --------------------------------------- (vii)Farallon Partners, L.L.C., a Delaware limited liability company which is the general partner of each of the Partnerships (the "General Partner"), with respect to the Shares held by each of the Partnerships. The Managing Members Of The General Partner And The Management Company ---------------------------------------------------------------------- (viii) The following nine persons who are managing members of both the General Partner and the Management Company, with respect to the Shares held by the Partnerships and the Managed Accounts: David I. Cohen ("Cohen"), Joseph F. Downes ("Downes"), William F. Duhamel ("Duhamel"), Richard B. Fried ("Fried"), Monica R. Landry ("Landry"), William F. Mellin ("Mellin"), Stephen L. Millham ("Millham"), Thomas F. Steyer ("Steyer") and Mark C. Wehrly ("Wehrly"). Cohen, Downes, Duhamel, Fried, Landry, Mellin, Millham, Steyer and Wehrly are together referred to herein as the "Individual Reporting Persons." The citizenship of each of the Partnerships, the General Partner and the Management Company is set forth above. Each of the Individual Reporting Persons is a United States citizen. The address of the principal business office of each of the Reporting Persons is c/o Farallon Capital Management, L.L.C., One Maritime Plaza, Suite 1325, San Francisco, California 94111. Item 3. If This Statement Is Filed Pursuant To Sections 240.13d-1(b), Or ------ ---------------------------------------------------------------- 13d-2(b) Or (c), Check Whether The Person Filing Is An Entity ------------------------------------------------------------- Specified In (a) - (j): ---------------------- Not Applicable. If This Statement Is Filed Pursuant To Section 240.13d-1(c), ----------------------------------------------------------------- Check This Box. [X] -------------- Item 4. Ownership ------ --------- The information required by Items 4(a) - (c) and set forth in Rows 5 through 11 of the cover page for each Reporting Person hereto is incorporated herein by reference for each such Reporting Person. The Shares reported hereby for the Partnerships are owned directly by the Partnerships and those reported by the Management Company on behalf of the Managed Accounts are owned directly by the Managed Accounts. The General Partner, as general partner to the Partnerships, may be deemed to be the beneficial owner of all such Shares owned by the Partnerships. The Page 19 of 22 Pages Management Company, as investment adviser to the Managed Accounts, may be deemed to be the beneficial owner of all such Shares owned by the Managed Accounts. The Individual Reporting Persons, as managing members of both the General Partner and the Management Company, may each be deemed to be the beneficial owner of all such Shares held by the Partnerships and the Managed Accounts. Each of the Management Company, the General Partner and the Individual Reporting Persons hereby disclaims any beneficial ownership of any such Shares. Item 5. Ownership Of Five Percent Or Less Of A Class ------ -------------------------------------------- Not Applicable. Item 6. Ownership Of More Than Five Percent On Behalf Of Another Person ------ --------------------------------------------------------------- Not Applicable. Item 7. Identification And Classification Of The Subsidiary Which Acquired ------------------------------------------------------------------ The Security Being Reported On By The Parent Holding Company ------------------------------------------------------------ Not Applicable. Item 8. Identification And Classification Of Members Of The Group ------ --------------------------------------------------------- The Reporting Persons are filing this Schedule 13G pursuant to Rule 13d-1(c). Consistent with Item 2 of the cover page for each Reporting Person above, the Reporting Persons neither disclaim nor affirm the existence of a group among them. Item 9. Notice Of Dissolution Of Group ------ ------------------------------ Not Applicable. Item 10. Certification ------- ------------- By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. Page 20 of 22 Pages SIGNATURES After reasonable inquiry and to the best of our knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct. Dated: February 3, 2003 /s/ Joseph F. Downes ---------------------------------------- FARALLON PARTNERS, L.L.C., on its own behalf and as General Partner of FARALLON CAPITAL PARTNERS, L.P., FARALLON CAPITAL INSTITUTIONAL PARTNERS, L.P., FARALLON CAPITAL INSTITUTIONAL PARTNERS II, L.P., FARALLON CAPITAL INSTITUTIONAL PARTNERS III, L.P., And TINICUM PARTNERS, L.P., By Joseph F. Downes Managing Member /s/ Joseph F. Downes ---------------------------------------- FARALLON CAPITAL MANAGEMENT, L.L.C., By Joseph F. Downes Managing Member /s/ Joseph F. Downes ---------------------------------------- Joseph F. Downes, individually and as attorney-in-fact for each of David I. Cohen, William F. Duhamel, Richard B. Fried, Monica R. Landry, William F. Mellin, Stephen L. Millham, Thomas F. Steyer and Mark C. Wehrly. The Powers of Attorney, each executed by Cohen, Mellin, Millham and Steyer authorizing Downes to sign and file this Schedule 13G on each person's behalf, which were filed with Amendment No. 1 to the Schedule 13D filed with the Securities and Exchange Commission on January 20, 1998, by such Reporting Persons with respect to the Units of Spiros Development Corporation II, Inc., are hereby incorporated by reference. The Powers of Attorney, each executed by Duhamel and Fried authorizing Downes to sign and file this Schedule 13G on each person's behalf, which were filed with Amendment No. 7 to the Schedule 13D filed with the Securities and Exchange Commission on February 9, 1999 by such Reporting Persons with respect to the Callable Class A Common Stock of Crescendo Pharmaceuticals Corporation, are hereby incorporated by reference. The Power of Attorney executed by Mark C. Wehrly authorizing Downes to sign and file this Schedule 13G on his behalf, which was filed with Amendment No. 4 to the Schedule 13D filed with the Securities and Exchange Commission on January 18, 2000, by such Reporting Person with respect to the Class A Common Stock of Momentum Business Applications, Inc., is hereby incorporated by reference. The Power of Attorney executed by Monica R. Landry authorizing Downes, as well as Steyer and Cohen, to Page 21 of 22 Pages sign and file this Schedule 13G on her behalf, which was filed with the Schedule 13G filed with the Securities and Exchange Commission on January 22, 2001, by such Reporting Person with respect to the Common Stock of Korn/Ferry International is hereby incorporated by reference. Page 22 of 22 Pages