------------------------------ OMB APPROVAL ------------------------------ OMB Number: 3235-0145 Expires: November 30, 1999 Estimated average burden hours per response...14.90 ----------------------------- THIS PAPER DOCUMENT IS BEING SUBMITTED TO RULE 101(d) OF REGULATION S-T. SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c) and(d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2 (Amendment No. )1 Gartner Group, Inc. (Name of Issuer) Common Stock, Class B, par value $0.0005 per share (Title of Class of Securities) 366651206 (CUSIP Number) February 16, 2000 (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 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).
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* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 532,400 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= PERSON WITH SHARED DISPOSITIVE POWER 8 532,400 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 532,400 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.5 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* PN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 2 of 26 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* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 528,100 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= SHARED DISPOSITIVE POWER PERSON WITH 8 528,100 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 528,100 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.5 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* PN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 3 of 26 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* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 92,980 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= SHARED DISPOSITIVE POWER PERSON WITH 8 92,980 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 92,980 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.3 % - ---------====================================================================== TYPE OF REPORTING PERSON* 12 PN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 4 of 26 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* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 151,080 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= SHARED DISPOSITIVE POWER PERSON WITH 8 151,080 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 151,080 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.4 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* PN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 5 of 26 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* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 40,340 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= SHARED DISPOSITIVE POWER PERSON WITH 8 40,340 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 40,340 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.1 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* PN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 6 of 26 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* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 554,280 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= SHARED DISPOSITIVE POWER PERSON WITH 8 554,280 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 554,280 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.6 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* IA, OO - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 7 of 26 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* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 1,344,900 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= SHARED DISPOSITIVE POWER PERSON WITH 8 1,344,900 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,344,900 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 3.9 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* OO - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 8 of 26 Pages
13G =============================== CUSIP No. 366651206 =============================== - ---------====================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Enrique H. Boilini - ---------====================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 Argentina ================------========================================================= NUMBER OF SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 1,899,180 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= PERSON WITH SHARED DISPOSITIVE POWER 8 1,899,180 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,899,180 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.5 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* IN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 9 of 26 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* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 South Africa ================------========================================================= NUMBER OF SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 1,899,180 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= PERSON WITH SHARED DISPOSITIVE POWER 8 1,899,180 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,899,180 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.5 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* IN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 10 of 26 Pages
13G =============================== CUSIP No. 366651206 =============================== - ---------====================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Joseph F. Downes - ---------====================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 1,899,180 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= PERSON WITH SHARED DISPOSITIVE POWER 8 1,899,180 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,899,180 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.5 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* IN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 11 of 26 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* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 1,899,180 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= PERSON WITH SHARED DISPOSITIVE POWER 8 1,899,180 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,899,180 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.5 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* IN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 12 of 26 Pages
13G =============================== CUSIP No. 366651206 =============================== - ---------====================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Fleur E. Fairman - ---------====================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 1,344,900 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= PERSON WITH SHARED DISPOSITIVE POWER 8 1,344,900 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,344,900 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 3.9 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* IN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 13 of 26 Pages
13G =============================== CUSIP No. 366651206 =============================== - ---------====================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Jason M. Fish - ---------====================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 1,899,180 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= PERSON WITH SHARED DISPOSITIVE POWER 8 1,899,180 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,899,180 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.5 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* IN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 14 of 26 Pages
13G =============================== CUSIP No. 366651206 =============================== - ---------====================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Andrew B. Fremder - ---------====================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 1,899,180 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= PERSON WITH SHARED DISPOSITIVE POWER 8 1,899,180 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,899,180 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.5 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* IN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 15 of 26 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* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 1,899,180 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= PERSON WITH SHARED DISPOSITIVE POWER 8 1,899,180 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,899,180 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.5 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* IN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 16 of 26 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* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 1,899,180 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= PERSON WITH SHARED DISPOSITIVE POWER 8 1,899,180 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,899,180 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.5 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* IN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 17 of 26 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* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 1,899,180 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= PERSON WITH SHARED DISPOSITIVE POWER 8 1,899,180 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,899,180 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.5 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* IN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 18 of 26 Pages
13G =============================== CUSIP No. 366651206 =============================== - ---------====================================================================== 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Meridee A. Moore - ---------====================================================================== 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 1,899,180 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= PERSON WITH SHARED DISPOSITIVE POWER 8 1,899,180 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,899,180 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.5 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* IN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 19 of 26 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* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 1,899,180 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= PERSON WITH SHARED DISPOSITIVE POWER 8 1,899,180 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,899,180 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.5 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* IN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 20 of 26 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* (a) [ ] (b) [ X ] ** ** The reporting persons making this filing hold an aggregate of 1,899,180 Shares, which is 5.5% 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 SOLE VOTING POWER SHARES 5 -0- ================------========================================================= BENEFICIALLY SHARED VOTING POWER OWNED BY 6 1,899,180 ================------========================================================= EACH SOLE DISPOSITIVE POWER REPORTING 7 -0- ================------========================================================= PERSON WITH SHARED DISPOSITIVE POWER 8 1,899,180 - ---------====================================================================== 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,899,180 - ---------====================================================================== 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ---------====================================================================== 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.5 % - ---------====================================================================== 12 TYPE OF REPORTING PERSON* IN - ---------====================================================================== *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 21 of 26 Pages
Item 1. Issuer (a) Name of Issuer: Gartner Group, Inc. (the "Company") (b) Address of Issuer's Principal Executive Offices: 56 Top Gallant Road, P.O. Box 10212, 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, par value $ 0.0005 per share (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 22 of 26 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").2 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 twelve 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: Enrique H. Boilini ("Boilini"), David I. Cohen ("Cohen"), Joseph F. Downes ("Downes"), William F. Duhamel ("Duhamel"), Jason M. Fish ("Fish"), Andrew B. Fremder ("Fremder"), Richard B. Fried ("Fried"), William F. Mellin ("Mellin"), Stephen L. Millham ("Millham"), Meridee A. Moore ("Moore"), Thomas F. Steyer ("Steyer") and Mark C. Wehrly ("Wehrly"); and (ix) the thirteenth managing member of the General Partner, Fleur E. Fairman ("Fairman"), with respect to the Shares held by the Partnerships. Boilini, Cohen, Downes, Duhamel, Fairman, Fish, Fremder, Fried, Mellin, Millham, Moore, 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 other than (i) Enrique H. Boilini who is an Argentinean citizen and (ii) David I. Cohen who is a South African citizen. The address of the principal business office of each of the Reporting Persons other than Enrique Boilini is c/o Farallon Capital Management, L.L.C., One Maritime Plaza, Suite 1325, San Francisco, California 94111. The address of Enrique Boilini is c/o Farallon Capital Management, L.L.C., 75 Holly Hill Lane, Greenwich, Connecticut 06830. Item 3. If This Statement Is Filed Pursuant To Rule 13d-1(b), Or 13d-2(b) Or (c), Check Whether The Person Filing Is An Entity Specified in (a) - (j): - ---------------- 2 Of the Shares reported by the Management Company on behalf of the Managed Accounts, 19,740 Shares (equal to approximately 0.06% of the total Shares currently outstanding) are held by The Absolute Return Fund of The Common Fund, a non-profit corporation whose principal address is 450 Post Road East, Westport, Connecticut 06881. Page 23 of 26 Pages
Not Applicable. If This Statement Is Filed Pursuant To Rule 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.3 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 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 twelve Individual Reporting Persons who are 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. Fairman, as a managing member of only the General Partner, may be deemed to be the beneficial owner of all such Shares held by the Partnerships. 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 Not Applicable. Item 9. Notice Of Dissolution Of Group - ---------------- 3 In addition to the securities reported on the cover pages of this Schedule 13G, certain of the Reporting Persons own in total 919,750 shares (or 1.7% of the outstanding class) of Common Stock, Class A, par value $0.0005 per share, of the Company. Page 24 of 26 Pages
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 25 of 26 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 24, 2000 /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 Enrique H. Boilini, David I. Cohen, William F. Duhamel, Fleur E. Fairman, Jason M. Fish, Andrew B. Fremder, Richard B. Fried, William F. Mellin, Stephen L. Millham, Meridee A. Moore, Thomas F. Steyer and Mark C. Wehrly. The Powers of Attorney, each executed by Boilini, Cohen, Fairman, Fish, Fremder, Mellin, Millham, Moore 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. Page 26 of 26 Pages