Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
UBBEN JEFFREY W
   2. Issuer Name and Ticker or Trading Symbol
GARTNER INC [IT] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
435 PACIFIC AVENUE, FOURTH FLOOR, 		 3. Date of Earliest Transaction (Month/Day/Year)
04/03/2006
(Street)

SAN FRANCISCO, CA 94133		 4. If Amendment, Date Original Filed(Month/Day/Year)
 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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Common Stock Equivalents (CSE) $ 0 04/03/2006   A   1,000     (1)   (1) Common Stock 1,000 (2) 8,099.51 D (3)  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
UBBEN JEFFREY W
435 PACIFIC AVENUE, FOURTH FLOOR
SAN FRANCISCO, CA 94133		   X   X    
VA PARTNERS LLC
435 PACIFIC AVENUE
FOURTH FLOOR
SAN FRANCISCO, CA 94133		   X   X    
ValueAct Capital Management, L.P.
435 PACIFIC AVENUE, 4TH FLOOR
SAN FRANCISCO, CA 94133		   X   X    
ValueAct Capital Management, LLC
435 PACIFIC AVENUE, 4TH FLOOR
SAN FRANCISCO, CA 94133		   X   X    

Signatures

 /s/ Jeffrey W. Ubben   04/05/2006
**Signature of Reporting Person Date
 VA PARTNERS, L.L.C., By:/s/ George F. Hamel. Jr., Managing Member   04/05/2006
**Signature of Reporting Person Date
 VALUEACT CAPITAL MASTER FUND, L.P., By: VA PARTNERS, L.L.C., its General Partner, By:/s/ George F. Hamel. Jr., Managing Member   04/05/2006
**Signature of Reporting Person Date
 VALUEACT CAPITAL MANAGEMENT, L.P. By: VALUEACT CAPITAL MANAGEMENT, LLC, its General Partner, By:/s/ George F. Hamel. Jr., Managing Member   04/05/2006
**Signature of Reporting Person Date
 VALUEACT CAPITAL MANAGEMENT, LLC, By:/s/ George F. Hamel. Jr., Managing Member   04/05/2006
**Signature of Reporting Person Date
 /s/ George F. Hamel, Jr.   04/05/2006
**Signature of Reporting Person Date
 /s/ Peter H. Kamin   04/05/2006
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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) These shares are Common Stock Equivalents received as compensation for service as an outside director of Gartner, Inc. They were granted under the Company's 2003 Long-Term Incentive Plan (LTIP). The Common Stock Equivalents convert into Gartner Common Stock on the date the outside director's continuous states as a director terminates, or as otherwise provided in the 2003 LTIP.
(2) Column 8 is not a required reportable field.
(3) Under an agreement with ValueAct Capital, Jeffrey W. Ubben is deemed to hold the Common Stock Equivalents for the benefit of ValueAct Capital Master Fund, L.P. and indirectly for (i) VA Partners, L.L.C. as General Partner of ValueAct Capital Master Fund, L.P., (ii) ValueAct Capital Management, L.P. as the manager of of ValueAct Capital Master Fund, L.P. and (iii) ValueAct Capital Management, LLC as General Partner of ValueAct Capital Management, L.P. Jeffrey W. Ubben is a director of Gartner, Inc. and Managing Member of VA Partners, LLC and ValueAct Capital Management, LLC. Peter H. Kamin and George F. Hamel, Jr. are Managing Members of VA Partners, LLC and ValueAct Capital Management, LLC. The reporting persons disclaim beneficial ownership of the reported stock except to the extent of their pecuniary interest therein.
 
Remarks:
Joint Filer Information:

Name: ValueAct Capital Master Fund, L.P.,
Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133
Designated Filer: Jeffrey W. Ubben
Issuer and Ticker Symbol: Gartner, Inc. (IT)
Date of Event Requiring Statement: April 3, 2006

Name: VA Partners, LLC
Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133
Designated Filer: Jeffrey W. Ubben
Issuer and Ticker Symbol: Gartner, Inc. (IT)
Date of Event Requiring Statement: April 3, 2006

Name: ValueAct Capital Management, L.P.
Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133
Designated Filer: Jeffrey W. Ubben
Issuer and Ticker Symbol: Gartner, Inc. (IT)
Date of Event Requiring Statement: April 3, 2006

Name: ValueAct Capital Management, LLC
Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133
Designated Filer: Jeffrey W. Ubben
Issuer and Ticker Symbol: Gartner, Inc. (IT)
Date of Event Requiring Statement: April 3, 2006

Name: George F. Hamel, Jr.
Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133
Designated Filer: Jeffrey W. Ubben
Issuer and Ticker Symbol: Gartner, Inc. (IT)
Date of Event Requiring Statement: April 3, 2006

Name: Peter H. Kamin
Address: 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133
Designated Filer: Jeffrey W. Ubben
Issuer and Ticker Symbol: Gartner, Inc. (IT)
Date of Event Requiring Statement: April 3, 2006

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