FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0104 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person *   ValueAct Holdings, L.P. 2. Date of Event Requiring Statement (Month/Day/Year) 11/08/2007 3. Issuer Name and Ticker or Trading Symbol GARTNER INC [IT] (Last) (First) (Middle) 435 PACIFIC AVENUE, 4TH FLOOR 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) SAN FRANCISCO, CA 94133 6. Individual or Joint/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock, par value $.01 per share 18,636,437 I See footnote (1) Common Stock, par value $.01 per share 2,151,000 I See footnote (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
ValueAct Holdings, L.P. 435 PACIFIC AVENUE, 4TH FLOOR SAN FRANCISCO, CA 94133	  X	  X	Â	Â
VA Partners I, LLC 435 PACIFIC AVENUE, 4TH FLOOR SAN FRANCISCO, CA 94133	  X	  X	Â	Â
ValueAct Holdings GP, LLC 435 PACIFIC AVENUE, 4TH FLOOR SAN FRANCISCO, CA 94133	  X	  X	Â	Â

Signatures

VALUEACT HOLDINGS, L.P., By: VALUEACT HOLDINGS GP, LLC, its General Partner, By:/s/ George F. Hamel, Jr., Chief Operating Officer		11/19/2007
**Signature of Reporting Person		Date
VA PARTNERS I, LLC, By:/s/ George F. Hamel, Jr., Chief Operating Officer		11/19/2007
**Signature of Reporting Person		Date
VALUEACT HOLDINGS GP, LLC, By:/s/ George F. Hamel, Jr., Chief Operating Officer		11/19/2007
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The reported stock is owned directly by ValueAct Capital Master Fund, L.P. and may be deemed to be beneficially owned by (i) VA Partners I, LLC as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the sole owner of the limited partnership interests of ValueAct Capital Management, L.P. and the membership interests of ValueAct Capital Management, LLC, and as the majority owner of the membership interests of VA Partners I, LLC, and (v) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. *
(2)	The reported stock is owned directly by ValueAct Capital Master Fund III, L.P. and may be deemed to be beneficially owned by (i) VA Partners III, LLC as General Partner of ValueAct Capital Master Fund III, L.P., (ii) ValueAct Capital Management, L.P. as the manager of ValueAct Capital Master Fund III, L.P., (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P., (iv) ValueAct Holdings, L.P. as the sole owner of the limited partnership interests of ValueAct Capital Management, L.P. and the membership interests of ValueAct Capital Management, LLC, and as the majority owner of the membership interests of VA Partners III, LLC, and (v) ValueAct Holdings GP, LLC as General Partner of ValueAct Holdings, L.P. *
  Remarks: * ValueAct Capital Master Fund, L.P., ValueAct Capital Master Fund III, L.P., VA Partners III, LLC, ValueAct Capital Management, LLC and ValueAct Capital Management, L.P. all previously filed a Form 3 and/or Form 4 with the Securities and Exchange Commission with respect to the reported stock set forth herein. Joint Filer Information: Name: VA Partners I, LLC Address: 435 Pacific Avenue, 4th Floor, San Francisco, CA 94133 Designated Filer: ValueAct Holdings, L.P. Issuer and Ticker:  Gartner, Inc. (IT) Date of Event Requiring Statement:  November 8, 2007 Name: ValueAct Holdings GP, LLC Address: 435 Pacific Avenue, 4th Floor, San Francisco, CA 94133 Designated Filer: ValueAct Holdings, L.P. Issuer and Ticker:  Gartner, Inc. (IT) Date of Event Requiring Statement:   November 8, 2007

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.