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Gartner Inc(IT US)

$192.15+1.310.69%Ext:$170.24-21.9111.40%(Market Closed · 01:00:04 UTC)

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Doc Search Profile Entity StructureFinancials Charting Short Interest Employees

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IT US

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Gartner Inc(IT US)

$192.15+1.310.69%Ext:$170.24-21.9111.40%(Market Closed · 01:00:04 UTC)

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Doc Search Profile Entity StructureFinancials Charting Short Interest Employees

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IT US

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Dawkins Alwyn(229)

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HALL EUGENE A(208)

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GRABE WILLIAM O(147)

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Davis Kendall B(68)

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GODFREY DAVID(59)

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UBBEN JEFFREY W(42)

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Herkes Claire(41)

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Beck Joseph P.(40)

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Hrelic Darko(39)

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Genovese Yvonne(39)

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Hensel Scott(38)

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HOPPER MAX D(37)

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ValueAct Capital Management, L.P.(36)

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ValueAct Capital Management, LLC(36)

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Christopher MR Thomas(35)

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Kaufman Jules(35)

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Diliberto Michael Patrick(35)

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Allard Kenneth(33)

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Form 4PRIMARY DOCUMENT7 Feb 2024
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Sribar Valentin(31)

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Form 4PRIMARY DOCUMENT2 Aug 2024
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Form 4PRIMARY DOCUMENT22 Feb 2024
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FERGUSON DIANA SUE(29)

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Form 4PRIMARY DOCUMENT6 Jul
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WEBB MAYNARD G JR(28)

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ValueAct Holdings GP, LLC(25)

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Form 4PRIMARY DOCUMENT23 Nov 2011
Form 4PRIMARY DOCUMENT18 Nov 2011
Form 4PRIMARY DOCUMENT15 Nov 2011
Form 4PRIMARY DOCUMENT10 Nov 2011
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ValueAct Holdings, L.P.(25)

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Form 4PRIMARY DOCUMENT30 Nov 2011
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Form 4PRIMARY DOCUMENT15 Nov 2011
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GUTIERREZ JOSE M(24)

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FRADIN RUSSELL P(23)

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JOYCE JOHN R(23)

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Wartinbee William James III(23)

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Jain Akhil(22)

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McVeigh David K(20)

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ValueAct Capital Master Fund, L.P.(20)

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KAMIN PETER H(19)

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SILVER LAKE INVESTORS LP(16)

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Form 4PRIMARY DOCUMENT14 Sep 2009
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Form 4PRIMARY DOCUMENT31 Aug 2009
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FERTIG SCOTT(16)

Form 4PRIMARY DOCUMENT15 Jun 2005
Form 4PRIMARY DOCUMENT14 Jun 2005
Form 4PRIMARY DOCUMENT8 Jun 2005
Form 4PRIMARY DOCUMENT1 Jun 2005
Form 4PRIMARY DOCUMENT31 May 2005
Form 4PRIMARY DOCUMENT19 May 2005
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Form 4PRIMARY DOCUMENT9 May 2005
Form 5PRIMARY DOCUMENT11 Feb 2005
Form 4PRIMARY DOCUMENT8 Jun 2004

SILVER LAKE TECHNOLOGY INVESTORS LLC(16)

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Form 4PRIMARY DOCUMENT17 Sep 2009
Form 4PRIMARY DOCUMENT14 Sep 2009
Form 4PRIMARY DOCUMENT3 Sep 2009
Form 4PRIMARY DOCUMENT31 Aug 2009
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Form 4PRIMARY DOCUMENT16 Jun 2009
Form 4PRIMARY DOCUMENT11 Jun 2009
Form 4PRIMARY DOCUMENT8 Jun 2009
Form 4PRIMARY DOCUMENT23 Jun 2008

Noble Timothy(14)

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Form 4PRIMARY DOCUMENT19 May 2009
Form 4PRIMARY DOCUMENT18 Feb 2009
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Form 4PRIMARY DOCUMENT4 Sep 2008
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Harris Michael P(14)

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Form 4PRIMARY DOCUMENT12 Aug 2021
Form 4PRIMARY DOCUMENT12 Feb 2021
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Rinello John J(13)

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Form 4PRIMARY DOCUMENT5 Dec 2025
Form 4PRIMARY DOCUMENT17 Sep 2025
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Form 4PRIMARY DOCUMENT3 Mar 2025

JULIAN DIANE L(12)

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Form 4PRIMARY DOCUMENT17 Feb 2010
Form 4PRIMARY DOCUMENT16 Feb 2010

Rupani Altaf(12)

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PATTON ROBERT C(11)

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Form 4PRIMARY DOCUMENT12 Feb 2008
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Form 4PRIMARY DOCUMENT10 May 2007
Form 4PRIMARY DOCUMENT20 Feb 2007
Form 4PRIMARY DOCUMENT17 Mar 2006
Form 4PRIMARY DOCUMENT17 Jun 2005
Form 4PRIMARY DOCUMENT8 Jun 2004
Form 4PRIMARY DOCUMENT18 May 2004

Collins Donna Ann(10)

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Form 3PRIMARY DOCUMENT31 Aug 2006

Peale Daniel S(10)

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Kim Thomas Sang(10)

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Van Ham Dick(10)

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Christopher Alister(9)

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Form 4PRIMARY DOCUMENT17 May 2007
Form 4PRIMARY DOCUMENT20 Feb 2007
Form 4PRIMARY DOCUMENT14 Feb 2007
Form 4PRIMARY DOCUMENT17 Mar 2006
Form 4PRIMARY DOCUMENT17 Jun 2005
Form 3PRIMARY DOCUMENT10 Nov 2004

Riess Michele(9)

Form 4PRIMARY DOCUMENT10 Jun 2008
Form 4PRIMARY DOCUMENT6 Jun 2008
Form 4PRIMARY DOCUMENT5 Jun 2008
Form 4PRIMARY DOCUMENT4 Jun 2008
Form 4PRIMARY DOCUMENT14 May 2008
Form 4PRIMARY DOCUMENT20 Feb 2008
Form 4PRIMARY DOCUMENT20 Feb 2007
Form 3PRIMARY DOCUMENT28 Feb 2006
Form 4PRIMARY DOCUMENT28 Feb 2006

SISCO DENNIS G(8)

Form 4PRIMARY DOCUMENT2 Jul 2004
Form 4PRIMARY DOCUMENT2 Apr 2004
Form 4PRIMARY DOCUMENT2 Mar 2004
Form 4PRIMARY DOCUMENT6 Jan 2004
Form 4PRIMARY DOCUMENT22 Oct 2003
Form 4PRIMARY DOCUMENT2 Oct 2003
Form 4/APRIMARY DOCUMENT30 Jul 2003
Form 4PRIMARY DOCUMENT3 Jul 2003

FLEISHER MICHAEL D(7)

Form 4PRIMARY DOCUMENT4 Aug 2004
Form 4PRIMARY DOCUMENT1 Jun 2004
Form 4PRIMARY DOCUMENT7 May 2004
Form 4PRIMARY DOCUMENT7 May 2004
Form 4PRIMARY DOCUMENT7 May 2004
Form 5PRIMARY DOCUMENT12 Feb 2004
Form 4PRIMARY DOCUMENT3 Oct 2003

MOROWITZ ZACHARY(7)

Form 5PRIMARY DOCUMENT11 Feb 2005
Form 4PRIMARY DOCUMENT15 Sep 2004
Form 4PRIMARY DOCUMENT14 Sep 2004
Form 4PRIMARY DOCUMENT13 Sep 2004
Form 4PRIMARY DOCUMENT9 Sep 2004
Form 4PRIMARY DOCUMENT20 Aug 2004
Form 5PRIMARY DOCUMENT12 Feb 2004

Waters Joseph T(7)

Form 4PRIMARY DOCUMENT19 Nov 2007
Form 4PRIMARY DOCUMENT30 May 2007
Form 4PRIMARY DOCUMENT17 May 2007
Form 4PRIMARY DOCUMENT20 Feb 2007
Form 4PRIMARY DOCUMENT17 Mar 2006
Form 4PRIMARY DOCUMENT17 Jun 2005
Form 3PRIMARY DOCUMENT26 Jan 2005

Bousa Edward Peter(6)

Form 4PRIMARY DOCUMENT5 Oct
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Rus Daniela L(6)

Form 4PRIMARY DOCUMENT5 Oct
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Form 4PRIMARY DOCUMENT12 Aug 2004
Form 4PRIMARY DOCUMENT11 Aug 2004
Form 4PRIMARY DOCUMENT8 Jun 2004
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TAYLOR CLIVE(4)

Form 4PRIMARY DOCUMENT21 Nov 2005
Form 4PRIMARY DOCUMENT17 Jun 2005
Form 4PRIMARY DOCUMENT11 Jan 2005
Form 3PRIMARY DOCUMENT11 Jul 2003

PARDUE WILLARD JR(4)

Form 4PRIMARY DOCUMENT9 Nov 2004
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Form 3PRIMARY DOCUMENT6 Feb 2004
Form 4PRIMARY DOCUMENT6 Feb 2004

McCarty Michael(4)

Form 4PRIMARY DOCUMENT17 Jun 2005
Form 4PRIMARY DOCUMENT8 Jun 2004
Form 4PRIMARY DOCUMENT18 May 2004
Form 3PRIMARY DOCUMENT10 May 2004

HUTCHINS GLENN H(3)

Form 4Statement of changes in beneficial ownership4 Aug 2005
Form 4Statement of changes in beneficial ownership30 Aug 2004
Form 4Statement of changes in beneficial ownership21 Jun 2004

OCONNELL MAUREEN E(3)

Form 4PRIMARY DOCUMENT11 Aug 2004
Form 4PRIMARY DOCUMENT8 Jun 2004
Form 4PRIMARY DOCUMENT22 Oct 2003

SHAPIRO LEON(3)

Form 5PRIMARY DOCUMENT10 Feb 2005
Form 5PRIMARY DOCUMENT12 Feb 2004
Form 3PRIMARY DOCUMENT10 Jul 2003

Parker Beverly R(3)

Form 4PRIMARY DOCUMENT8 Jun 2004
Form 4PRIMARY DOCUMENT18 May 2004
Form 3PRIMARY DOCUMENT12 May 2004

Mintz Gerald D(3)

Form 4PRIMARY DOCUMENT27 Aug 2004
Form 4PRIMARY DOCUMENT15 Jul 2004
Form 3PRIMARY DOCUMENT2 Jul 2004

Consolazio Eric(3)

Form 4PRIMARY DOCUMENT17 Mar 2006
Form 3PRIMARY DOCUMENT23 Jun 2005
Form 4PRIMARY DOCUMENT15 Jun 2005

ROUX DAVID J(2)

Form 4Statement of changes in beneficial ownership30 Aug 2004
Form 4Statement of changes in beneficial ownership21 Jun 2004

YAMAMOTO KEN(2)

Form 4PRIMARY DOCUMENT8 Jun 2004
Form 3PRIMARY DOCUMENT10 Feb 2004

Gardner Colette Y(2)

Form 3PRIMARY DOCUMENT3 Aug 2005
Form 4PRIMARY DOCUMENT2 Aug 2005

Arlington Gregory L.(2)

Form 4PRIMARY DOCUMENT30 Oct
Form 3PRIMARY DOCUMENT4 Nov

DANIELS DEAN(1)

Form 3PRIMARY DOCUMENT11 Jul 2003

HANEWINCKEL MADELINE(1)

Form 3PRIMARY DOCUMENT11 Jul 2003

DOUGHERTY JAMES(1)

Form 3PRIMARY DOCUMENT11 Jul 2003

KNAPP ROBERT E(1)

Form 5PRIMARY DOCUMENT12 Feb 2004

Pyatt Saul(1)

Form 3PRIMARY DOCUMENT4 Aug

≥5% Ownership

BAMCO INC /NY/(25)

SC 13G/AGartner Inc3 Jun
SC 13G/AGartner Inc15 May
SC 13G/AGartner Inc14 Nov 2025
SC 13G/AGartner Inc15 May 2025
SC 13G/AGartner Inc14 Nov 2024
SC 13G/AGartner Inc14 Feb 2024
SC 13G/AGartner Inc14 Feb 2023
SC 13G/AGartner Inc14 Feb 2022
SC 13G/AGartner Inc12 Feb 2021
SC 13G/AGartner Inc14 Feb 2020

PRICE T ROWE ASSOCIATES INC /MD/(16)

SC 13G/AGartner Inc16 Feb 2021
SC 13G/AGartner Inc14 Feb 2020
SC 13GGartner Inc14 Feb 2019
SC 13G/AGartner Inc7 Feb 2017
SC 13G/AGartner Inc11 Feb 2016
SC 13G/AGartner Inc13 Feb 2015
SC 13G/AGartner Inc11 Feb 2014
SC 13G/AGartner Inc6 Feb 2013
SC 13G/AGartner Inc10 Feb 2012
SC 13G/AGartner Inc10 Feb 2011

VANGUARD GROUP INC(16)

SC 13G/AGartner Inc26 Mar
SC 13G/AGartner Inc29 Jul 2025
SC 13G/AGartner Inc13 Feb 2024
SC 13G/AGartner Inc9 Feb 2023
SC 13G/AGartner Inc10 Feb 2022
SC 13G/AGartner Inc10 Feb 2021
SC 13G/AGartner Inc12 Feb 2020
SC 13G/AGartner Inc11 Feb 2019
SC 13G/AGartner Inc11 Jun 2018
SC 13G/AGartner Inc9 Feb 2018

BlackRock Inc.(16)

SC 13GGartner Inc26 Jan 2024
SC 13G/AGartner Inc3 Feb 2023
SC 13G/AGartner Inc1 Feb 2022
SC 13G/AGartner Inc29 Jan 2021
SC 13G/AGartner Inc5 Feb 2020
SC 13G/AGartner Inc4 Feb 2019
SC 13G/AGartner Inc8 Feb 2018
SC 13G/AGartner Inc24 Jan 2017
SC 13G/AGartner Inc10 Feb 2016
SC 13G/AGartner Inc9 Feb 2015

WELLINGTON MANAGEMENT CO LLP(9)

SC 13G/AGartner Inc14 Feb 2006
SC 13GGartner Inc14 Feb 2005
SC 13G/AGartner Inc12 Feb 2004
SC 13G/AGartner Inc12 Feb 2003
SC 13G/AGartner Inc12 Feb 2002
SC 13G/AGartner Inc10 Dec 2001
SC 13G/AGartner Group Inc13 Feb 2001
SC 13G/AGartner Group Inc8 Sep 2000
SC 13GGartner Group Inc11 Feb 2000

VA Partners I, LLC(6)

SC 13D/AGartner Inc15 Nov 2011
SC 13D/AGartner Inc16 May 2011
SC 13D/AGartner Inc25 Feb 2011
SC 13D/AGartner Inc22 Feb 2011
SC 13D/AGartner Inc17 Feb 2011
SC 13D/AGartner Inc10 Sep 2010

FMR CORP(5)

SC 13G/AGartner Group Inc10 Jul 2000
SC 13G/AGartner Group Inc10 May 2000
SC 13G/AGartner Group Inc10 Mar 2000
SC 13G/AGartner Group Inc10 Jan 2000
SC 13GGartner Group Inc12 Nov 1999

FIRST MANHATTAN CO(5)

SC 13G/AGartner Inc12 Feb 2004
SC 13G/AGartner Inc13 Feb 2003
SC 13G/AGartner Inc15 Feb 2002
SC 13G/AGartner Group Inc7 Feb 2001
SC 13GGartner Group Inc10 Feb 2000

LAZARD FRERES & CO LLC(5)

SC 13G/AGartner Inc18 Feb 2003
SC 13G/AGartner Inc15 Feb 2002
SC 13G/AGartner Inc10 Aug 2001
SC 13G/AGartner Group Inc13 Feb 2001
SC 13GGartner Group Inc6 Nov 2000

MORGAN STANLEY(5)

SC 13G/AGartner Inc12 Feb 2015
SC 13G/AGartner Inc11 Feb 2014
SC 13G/AGartner Inc13 Feb 2013
SC 13G/AGartner Inc8 Feb 2012
SC 13GGartner Inc9 Feb 2011

ROYCE & ASSOCIATES LLC(5)

SC 13G/AGartner Inc29 Jan 2013
SC 13G/AGartner Inc12 Jan 2012
SC 13G/AGartner Inc13 Jan 2011
SC 13G/AGartner Inc2 Feb 2010
SC 13GGartner Inc26 Jan 2009

MARATHON ASSET MANAGEMENT LLP(5)

SC 13G/AGartner Inc25 Jul 2011
SC 13G/AGartner Inc3 Feb 2011
SC 13GGartner Inc29 Jan 2010
SC 13G/AGartner Inc12 Jan 2009
SC 13GGartner Inc25 Jan 2008

SHAPIRO CAPITAL MANAGEMENT CO INC(5)

SC 13GGartner Inc9 Jul 2004
SC 13GGartner Inc10 Feb 2004
SC 13GGartner Inc10 Sep 2003
SC 13GGartner Inc6 Aug 2003
SC 13GGartner Inc6 Feb 2003

FARALLON CAPITAL MANAGEMENT LLC(4)

SC 13G/AGartner Inc3 Feb 2004
SC 13GGartner Inc3 Feb 2003
SC 13G/AGartner Group Inc9 Feb 2001
SC 13GGartner Group Inc24 Feb 2000

POLEN CAPITAL MANAGEMENT LLC(4)

SC 13G/AGartner Inc10 Feb 2023
SC 13G/AGartner Inc10 Feb 2022
SC 13G/AGartner Inc11 Feb 2021
SC 13GGartner Inc5 Feb 2020

IMS HEALTH INC(4)

SC 13G/AGartner Inc14 Feb 2002
SC 13G/AGartner Group Inc13 Feb 2001
SC 13G/AGartner Group Inc3 Feb 2000
SC 13GGartner Group Inc16 Feb 1999

COGNIZANT CORP(3)

SC 13G/AGartner Group Inc21 Jan 1998
SC 13GGartner Group Inc25 Feb 1997
SC 13GGartner Group Inc11 Feb 1997

REICH & TANG ASSET MANAGEMENT LP(3)

SC 13G/AGartner Inc10 Feb 2004
SC 13G/AGartner Inc10 Feb 2004
SC 13GGartner Inc6 Feb 2003

JANUS HENDERSON GROUP PLC(3)

SC 13G/AGartner Inc14 Feb 2020
SC 13G/AGartner Inc12 Feb 2019
SC 13GGartner Inc12 Feb 2018

FRANKLIN RESOURCES INC(2)

SC 13G/AGartner Inc14 Feb 2002
SC 13GGartner Group Inc8 Feb 2001

JENNISON ASSOCIATES LLC(2)

SC 13G/AGartner Group Inc11 Feb 1999
SC 13GGartner Group Inc12 Feb 1998

WELLS FARGO & CO/MN(2)

SC 13G/AGartner Inc10 Feb 2010
SC 13GGartner Inc20 Jan 2010

SELIGMAN J & W & CO INC /NY/(2)

SC 13G/AGartner Group Inc9 Mar 2001
SC 13GGartner Group Inc1 Feb 2001

PRUDENTIAL INSURANCE CO OF AMERICA(2)

SC 13G/AGartner Group Inc26 Jan 1999
SC 13GGartner Group Inc13 Feb 1998

LEVIN JOHN A & CO INC /NY/(2)

SC 13G/AGartner Inc14 Feb 2003
SC 13GGartner Inc14 Feb 2002

SHAPIRO CAPITAL MANAGEMENT CO INC /ADV(2)

SC 13GGartner Inc15 Feb 2002
SC 13GGartner Inc11 Jun 2001

FIR TREE PARTNERS(2)

SC 13D/AGartner Inc27 Jul 2001
SC 13DGartner Group Inc24 May 2000

HIGH ROCK CAPITAL LLC(2)

SC 13G/AGartner Inc13 Feb 2004
SC 13GGartner Inc7 Feb 2003

AQR CAPITAL MANAGEMENT LLC(2)

SC 13G/AGartner Inc13 Aug
SC 13GGartner Inc15 May

GENERATION INVESTMENT MANAGEMENT LLP(2)

SC 13G/AGartner Inc14 Feb 2022
SC 13G/AGartner Inc16 Feb 2021

Independent Franchise Partners LLP(2)

SC 13G/AGartner Inc13 Aug
SC 13GGartner Inc14 May

Capital International Investors(2)

SC 13G/AGartner Inc14 May
SC 13GGartner Inc13 Feb

Select Equity Group, L.P.(2)

SC 13G/AGartner Inc14 Feb 2019
SC 13GGartner Inc14 Feb 2018

BlackRock, Inc.(2)

SC 13G/AGartner Inc28 Jul
SC 13G/AGartner Inc17 Jul 2025

DUN & BRADSTREET CORP(1)

SC 13G/AGartner Group Inc7 Feb 1996

SILVER LAKE INVESTORS LP(1)

SC 13D/AGartner Inc18 Sep 2006

VANGUARD CAPITAL MANAGEMENT LLC(1)

SC 13GGartner Inc29 Apr

VANGUARD PORTFOLIO MANAGEMENT LLC(1)

SC 13GGartner Inc29 Apr

Insider Ownership

Dawkins Alwyn(229)

Form 4PRIMARY DOCUMENT3 Dec 2024
Form 4PRIMARY DOCUMENT14 Nov 2024
Form 4PRIMARY DOCUMENT12 Nov 2024
Form 4PRIMARY DOCUMENT4 Sep 2024
Form 4PRIMARY DOCUMENT3 Sep 2024
Form 4PRIMARY DOCUMENT2 Aug 2024
Form 4PRIMARY DOCUMENT4 Jun 2024
Form 4PRIMARY DOCUMENT24 May 2024
Form 4PRIMARY DOCUMENT23 May 2024
Form 4PRIMARY DOCUMENT4 Mar 2024

HALL EUGENE A(208)

Form 4PRIMARY DOCUMENT2 Sep
Form 4PRIMARY DOCUMENT2 Jun
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Form 4PRIMARY DOCUMENT11 Feb
Form 4PRIMARY DOCUMENT10 Feb
Form 4PRIMARY DOCUMENT9 Feb
Form 4PRIMARY DOCUMENT2 Dec 2025
Form 4PRIMARY DOCUMENT3 Sep 2025
Form 4PRIMARY DOCUMENT3 Jun 2025
Form 4PRIMARY DOCUMENT4 Mar 2025

Kranich Robin B(180)

Form 4PRIMARY DOCUMENT2 Sep
Form 4PRIMARY DOCUMENT31 Aug
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Form 4PRIMARY DOCUMENT3 Mar
Form 4PRIMARY DOCUMENT11 Feb
Form 4PRIMARY DOCUMENT10 Feb
Form 4PRIMARY DOCUMENT9 Feb
Form 4PRIMARY DOCUMENT2 Dec 2025
Form 4PRIMARY DOCUMENT3 Sep 2025
Form 4PRIMARY DOCUMENT3 Jun 2025

SMITH JAMES C(158)

Form 4PRIMARY DOCUMENT27 Nov 2024
Form 4PRIMARY DOCUMENT15 Nov 2024
Form 4PRIMARY DOCUMENT13 Nov 2024
Form 4PRIMARY DOCUMENT8 Nov 2024
Form 4PRIMARY DOCUMENT3 Oct 2024
Form 4PRIMARY DOCUMENT13 Sep 2024
Form 4PRIMARY DOCUMENT12 Sep 2024
Form 4PRIMARY DOCUMENT15 Aug 2024
Form 4PRIMARY DOCUMENT9 Aug 2024
Form 4PRIMARY DOCUMENT2 Aug 2024

FUCHS ANNE SUTHERLAND(158)

Form 4PRIMARY DOCUMENT5 Oct
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Form 4PRIMARY DOCUMENT2 Jul 2025
Form 4PRIMARY DOCUMENT13 Jun 2025
Form 4PRIMARY DOCUMENT10 Jun 2025

GRABE WILLIAM O(147)

Form 4PRIMARY DOCUMENT13 Nov
Form 4PRIMARY DOCUMENT5 Oct
Form 4PRIMARY DOCUMENT15 Sep
Form 4PRIMARY DOCUMENT6 Jul
Form 4PRIMARY DOCUMENT1 Jun
Form 4PRIMARY DOCUMENT3 Apr
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Form 4PRIMARY DOCUMENT6 Jan
Form 4PRIMARY DOCUMENT12 Dec 2025
Form 4PRIMARY DOCUMENT3 Oct 2025

PAGLIUCA STEPHEN G(138)

Form 4PRIMARY DOCUMENT5 Oct
Form 4PRIMARY DOCUMENT6 Jul
Form 4PRIMARY DOCUMENT1 Jun
Form 4PRIMARY DOCUMENT3 Apr
Form 4PRIMARY DOCUMENT6 Jan
Form 4Statement of changes in beneficial ownership12 Dec 2025
Form 4PRIMARY DOCUMENT3 Oct 2025
Form 4PRIMARY DOCUMENT2 Jul 2025
Form 4PRIMARY DOCUMENT10 Jun 2025
Form 4PRIMARY DOCUMENT2 Jun 2025

DYKSTRA KAREN E(123)

Form 4PRIMARY DOCUMENT5 Oct
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Form 4PRIMARY DOCUMENT6 Jan
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Form 4PRIMARY DOCUMENT10 Jun 2025
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Safian Craig(118)

Form 4PRIMARY DOCUMENT2 Sep
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Form 4PRIMARY DOCUMENT11 Feb
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Form 4PRIMARY DOCUMENT2 Dec 2025
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Form 4PRIMARY DOCUMENT3 Jun 2025
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BRESSLER RICHARD J(114)

Form 4PRIMARY DOCUMENT5 Oct
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CESAN RAUL E(91)

Form 4PRIMARY DOCUMENT5 Oct
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Form 4PRIMARY DOCUMENT3 Oct 2025
Form 4PRIMARY DOCUMENT21 Aug 2025
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Form 4PRIMARY DOCUMENT10 Jun 2025

SCHWARTZ LEWIS G(80)

Form 4PRIMARY DOCUMENT8 Feb 2016
Form 4PRIMARY DOCUMENT2 Sep 2015
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LAFOND CHRISTOPHER(80)

Form 4PRIMARY DOCUMENT31 Dec 2014
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Form 4PRIMARY DOCUMENT24 Feb 2014
Form 4PRIMARY DOCUMENT13 Feb 2014
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Form 4PRIMARY DOCUMENT10 Feb 2014
Form 4PRIMARY DOCUMENT27 Nov 2013
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Sondergaard Peter(76)

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Bingle Michael J(75)

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KUTNICK DALE(69)

Form 4PRIMARY DOCUMENT10 Jul 2015
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Davis Kendall B(68)

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GODFREY DAVID(59)

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Bisson Peter(55)

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WAERN PER ANDERS(50)

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YOO MICHAEL J(44)

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UBBEN JEFFREY W(42)

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Herkes Claire(41)

Form 4PRIMARY DOCUMENT11 Aug
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Beck Joseph P.(40)

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Hrelic Darko(39)

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Genovese Yvonne(39)

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Hensel Scott(38)

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HOPPER MAX D(37)

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ValueAct Capital Management, L.P.(36)

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ValueAct Capital Management, LLC(36)

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Christopher MR Thomas(35)

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Kaufman Jules(35)

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Diliberto Michael Patrick(35)

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Allard Kenneth(33)

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Sribar Valentin(31)

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FERGUSON DIANA SUE(29)

Form 4PRIMARY DOCUMENT5 Oct
Form 4PRIMARY DOCUMENT6 Jul
Form 4PRIMARY DOCUMENT1 Jun
Form 4PRIMARY DOCUMENT3 Apr
Form 4PRIMARY DOCUMENT6 Jan
Form 4PRIMARY DOCUMENT3 Oct 2025
Form 4PRIMARY DOCUMENT2 Jul 2025
Form 4PRIMARY DOCUMENT2 Jun 2025
Form 4PRIMARY DOCUMENT3 Apr 2025
Form 4PRIMARY DOCUMENT6 Jan 2025

WEBB MAYNARD G JR(28)

Form 4PRIMARY DOCUMENT6 Jun 2007
Form 4PRIMARY DOCUMENT30 May 2007
Form 4PRIMARY DOCUMENT23 May 2007
Form 4PRIMARY DOCUMENT3 Apr 2007
Form 4PRIMARY DOCUMENT3 Jan 2007
Form 5PRIMARY DOCUMENT13 Feb 2007
Form 4PRIMARY DOCUMENT8 Nov 2006
Form 4PRIMARY DOCUMENT4 Oct 2006
Form 4PRIMARY DOCUMENT6 Jul 2006
Form 4PRIMARY DOCUMENT9 Jun 2006

ValueAct Holdings GP, LLC(25)

Form 4PRIMARY DOCUMENT16 Dec 2011
Form 4PRIMARY DOCUMENT13 Dec 2011
Form 4PRIMARY DOCUMENT8 Dec 2011
Form 4PRIMARY DOCUMENT5 Dec 2011
Form 4PRIMARY DOCUMENT30 Nov 2011
Form 4PRIMARY DOCUMENT23 Nov 2011
Form 4PRIMARY DOCUMENT18 Nov 2011
Form 4PRIMARY DOCUMENT15 Nov 2011
Form 4PRIMARY DOCUMENT10 Nov 2011
Form 4PRIMARY DOCUMENT7 Nov 2011

ValueAct Holdings, L.P.(25)

Form 4PRIMARY DOCUMENT16 Dec 2011
Form 4PRIMARY DOCUMENT13 Dec 2011
Form 4PRIMARY DOCUMENT8 Dec 2011
Form 4PRIMARY DOCUMENT5 Dec 2011
Form 4PRIMARY DOCUMENT30 Nov 2011
Form 4PRIMARY DOCUMENT23 Nov 2011
Form 4PRIMARY DOCUMENT18 Nov 2011
Form 4PRIMARY DOCUMENT15 Nov 2011
Form 4PRIMARY DOCUMENT10 Nov 2011
Form 4PRIMARY DOCUMENT7 Nov 2011

GUTIERREZ JOSE M(24)

Form 4PRIMARY DOCUMENT5 Oct
Form 4PRIMARY DOCUMENT6 Jul
Form 4PRIMARY DOCUMENT1 Jun
Form 4PRIMARY DOCUMENT3 Apr
Form 4PRIMARY DOCUMENT6 Jan
Form 4PRIMARY DOCUMENT3 Oct 2025
Form 4PRIMARY DOCUMENT20 Aug 2025
Form 4PRIMARY DOCUMENT2 Jul 2025
Form 4PRIMARY DOCUMENT10 Jun 2025
Form 4PRIMARY DOCUMENT2 Jun 2025

FRADIN RUSSELL P(23)

Form 4PRIMARY DOCUMENT1 Aug 2011
Form 4PRIMARY DOCUMENT6 Jul 2011
Form 4PRIMARY DOCUMENT6 Jun 2011
Form 4PRIMARY DOCUMENT5 Apr 2011
Form 4PRIMARY DOCUMENT4 Jan 2011
Form 4PRIMARY DOCUMENT5 Oct 2010
Form 4PRIMARY DOCUMENT6 Jul 2010
Form 4PRIMARY DOCUMENT4 Jun 2010
Form 4PRIMARY DOCUMENT5 Apr 2010
Form 4PRIMARY DOCUMENT6 Jan 2010

JOYCE JOHN R(23)

Form 4PRIMARY DOCUMENT16 Dec 2009
Form 4PRIMARY DOCUMENT11 Dec 2009
Form 4PRIMARY DOCUMENT8 Dec 2009
Form 4PRIMARY DOCUMENT3 Dec 2009
Form 4PRIMARY DOCUMENT30 Nov 2009
Form 4PRIMARY DOCUMENT24 Nov 2009
Form 4PRIMARY DOCUMENT19 Nov 2009
Form 4PRIMARY DOCUMENT16 Nov 2009
Form 4PRIMARY DOCUMENT2 Oct 2009
Form 4PRIMARY DOCUMENT17 Sep 2009

Wartinbee William James III(23)

Form 4PRIMARY DOCUMENT11 Feb
Form 4PRIMARY DOCUMENT10 Feb
Form 4PRIMARY DOCUMENT9 Feb
Form 4PRIMARY DOCUMENT17 Dec 2025
Form 4PRIMARY DOCUMENT15 May 2025
Form 4PRIMARY DOCUMENT12 Feb 2025
Form 4PRIMARY DOCUMENT10 Feb 2025
Form 4PRIMARY DOCUMENT10 Dec 2024
Form 4PRIMARY DOCUMENT19 Nov 2024
Form 4PRIMARY DOCUMENT11 Sep 2024

Jain Akhil(22)

Form 4PRIMARY DOCUMENT26 Aug
Form 4PRIMARY DOCUMENT11 Feb
Form 4PRIMARY DOCUMENT10 Feb
Form 4PRIMARY DOCUMENT9 Feb
Form 4PRIMARY DOCUMENT21 May 2025
Form 4PRIMARY DOCUMENT19 May 2025
Form 4PRIMARY DOCUMENT12 Feb 2025
Form 4PRIMARY DOCUMENT10 Feb 2025
Form 4PRIMARY DOCUMENT14 Nov 2024
Form 4PRIMARY DOCUMENT12 Nov 2024

McVeigh David K(20)

Form 4PRIMARY DOCUMENT11 Feb 2020
Form 4PRIMARY DOCUMENT10 Feb 2020
Form 4PRIMARY DOCUMENT7 Feb 2020
Form 4PRIMARY DOCUMENT7 Nov 2019
Form 4PRIMARY DOCUMENT5 Nov 2019
Form 4PRIMARY DOCUMENT16 Sep 2019
Form 4PRIMARY DOCUMENT13 Aug 2019
Form 4PRIMARY DOCUMENT12 Feb 2019
Form 4PRIMARY DOCUMENT8 Feb 2019
Form 4PRIMARY DOCUMENT18 Sep 2018

ValueAct Capital Master Fund, L.P.(20)

Form 4PRIMARY DOCUMENT16 Dec 2011
Form 4PRIMARY DOCUMENT13 Dec 2011
Form 4PRIMARY DOCUMENT8 Dec 2011
Form 4PRIMARY DOCUMENT5 Dec 2011
Form 4PRIMARY DOCUMENT30 Nov 2011
Form 4PRIMARY DOCUMENT23 Nov 2011
Form 4PRIMARY DOCUMENT18 Nov 2011
Form 4PRIMARY DOCUMENT15 Nov 2011
Form 4PRIMARY DOCUMENT10 Nov 2011
Form 4PRIMARY DOCUMENT7 Nov 2011

KAMIN PETER H(19)

Form 4PRIMARY DOCUMENT5 Nov 2007
Form 4PRIMARY DOCUMENT3 Oct 2007
Form 4PRIMARY DOCUMENT5 Jul 2007
Form 4PRIMARY DOCUMENT7 Jun 2007
Form 4PRIMARY DOCUMENT4 Apr 2007
Form 4PRIMARY DOCUMENT4 Jan 2007
Form 4PRIMARY DOCUMENT4 Oct 2006
Form 4PRIMARY DOCUMENT18 Sep 2006
Form 4PRIMARY DOCUMENT15 Feb 2006
Form 4PRIMARY DOCUMENT16 Aug 2005

SILVER LAKE INVESTORS LP(16)

Form 4PRIMARY DOCUMENT2 Oct 2009
Form 4PRIMARY DOCUMENT17 Sep 2009
Form 4PRIMARY DOCUMENT14 Sep 2009
Form 4PRIMARY DOCUMENT3 Sep 2009
Form 4PRIMARY DOCUMENT31 Aug 2009
Form 4PRIMARY DOCUMENT12 Aug 2009
Form 4PRIMARY DOCUMENT16 Jun 2009
Form 4PRIMARY DOCUMENT11 Jun 2009
Form 4PRIMARY DOCUMENT8 Jun 2009
Form 4PRIMARY DOCUMENT23 Jun 2008

FERTIG SCOTT(16)

Form 4PRIMARY DOCUMENT15 Jun 2005
Form 4PRIMARY DOCUMENT14 Jun 2005
Form 4PRIMARY DOCUMENT8 Jun 2005
Form 4PRIMARY DOCUMENT1 Jun 2005
Form 4PRIMARY DOCUMENT31 May 2005
Form 4PRIMARY DOCUMENT19 May 2005
Form 4PRIMARY DOCUMENT18 May 2005
Form 4PRIMARY DOCUMENT9 May 2005
Form 5PRIMARY DOCUMENT11 Feb 2005
Form 4PRIMARY DOCUMENT8 Jun 2004

SILVER LAKE TECHNOLOGY INVESTORS LLC(16)

Form 4PRIMARY DOCUMENT2 Oct 2009
Form 4PRIMARY DOCUMENT17 Sep 2009
Form 4PRIMARY DOCUMENT14 Sep 2009
Form 4PRIMARY DOCUMENT3 Sep 2009
Form 4PRIMARY DOCUMENT31 Aug 2009
Form 4PRIMARY DOCUMENT12 Aug 2009
Form 4PRIMARY DOCUMENT16 Jun 2009
Form 4PRIMARY DOCUMENT11 Jun 2009
Form 4PRIMARY DOCUMENT8 Jun 2009
Form 4PRIMARY DOCUMENT23 Jun 2008

Noble Timothy(14)

Form 4PRIMARY DOCUMENT2 Jun 2009
Form 4PRIMARY DOCUMENT19 May 2009
Form 4PRIMARY DOCUMENT18 Feb 2009
Form 4PRIMARY DOCUMENT12 Feb 2009
Form 4PRIMARY DOCUMENT4 Sep 2008
Form 4PRIMARY DOCUMENT29 Aug 2008
Form 4PRIMARY DOCUMENT19 May 2008
Form 4PRIMARY DOCUMENT14 May 2008
Form 4PRIMARY DOCUMENT20 Feb 2008
Form 4PRIMARY DOCUMENT17 May 2007

Harris Michael P(14)

Form 4PRIMARY DOCUMENT1 Sep 2021
Form 4PRIMARY DOCUMENT12 Aug 2021
Form 4PRIMARY DOCUMENT12 Feb 2021
Form 4PRIMARY DOCUMENT10 Feb 2021
Form 4PRIMARY DOCUMENT9 Feb 2021
Form 4PRIMARY DOCUMENT1 Sep 2020
Form 4PRIMARY DOCUMENT26 Aug 2020
Form 4PRIMARY DOCUMENT11 Feb 2020
Form 4PRIMARY DOCUMENT10 Feb 2020
Form 4PRIMARY DOCUMENT7 Feb 2020

Rinello John J(13)

Form 4PRIMARY DOCUMENT1 Jul
Form 4PRIMARY DOCUMENT11 Feb
Form 4PRIMARY DOCUMENT10 Feb
Form 4PRIMARY DOCUMENT9 Feb
Form 4PRIMARY DOCUMENT5 Dec 2025
Form 4PRIMARY DOCUMENT17 Sep 2025
Form 4PRIMARY DOCUMENT26 Aug 2025
Form 4PRIMARY DOCUMENT1 Jul 2025
Form 4PRIMARY DOCUMENT9 May 2025
Form 4PRIMARY DOCUMENT3 Mar 2025

JULIAN DIANE L(12)

Form 4PRIMARY DOCUMENT24 Feb 2011
Form 4PRIMARY DOCUMENT17 Feb 2011
Form 4PRIMARY DOCUMENT15 Feb 2011
Form 4PRIMARY DOCUMENT3 Dec 2010
Form 4PRIMARY DOCUMENT18 May 2010
Form 4PRIMARY DOCUMENT5 May 2010
Form 4PRIMARY DOCUMENT8 Mar 2010
Form 4PRIMARY DOCUMENT2 Mar 2010
Form 4PRIMARY DOCUMENT17 Feb 2010
Form 4PRIMARY DOCUMENT16 Feb 2010

Rupani Altaf(12)

Form 4PRIMARY DOCUMENT19 Oct
Form 4PRIMARY DOCUMENT2 Sep
Form 4PRIMARY DOCUMENT2 Jun
Form 4PRIMARY DOCUMENT3 Mar
Form 4PRIMARY DOCUMENT10 Feb
Form 4PRIMARY DOCUMENT9 Feb
Form 4PRIMARY DOCUMENT2 Dec 2025
Form 4PRIMARY DOCUMENT17 Oct 2025
Form 4PRIMARY DOCUMENT10 Feb 2025
Form 4PRIMARY DOCUMENT17 Oct 2024

PATTON ROBERT C(11)

Form 4PRIMARY DOCUMENT19 Feb 2008
Form 4PRIMARY DOCUMENT13 Feb 2008
Form 4PRIMARY DOCUMENT12 Feb 2008
Form 4PRIMARY DOCUMENT17 May 2007
Form 4PRIMARY DOCUMENT10 May 2007
Form 4PRIMARY DOCUMENT20 Feb 2007
Form 4PRIMARY DOCUMENT17 Mar 2006
Form 4PRIMARY DOCUMENT17 Jun 2005
Form 4PRIMARY DOCUMENT8 Jun 2004
Form 4PRIMARY DOCUMENT18 May 2004

Collins Donna Ann(10)

Form 4PRIMARY DOCUMENT18 Feb 2009
Form 4PRIMARY DOCUMENT12 Feb 2009
Form 4PRIMARY DOCUMENT16 Sep 2008
Form 4PRIMARY DOCUMENT14 Aug 2008
Form 4PRIMARY DOCUMENT12 Aug 2008
Form 4PRIMARY DOCUMENT19 Feb 2008
Form 4PRIMARY DOCUMENT18 Sep 2007
Form 4PRIMARY DOCUMENT20 Feb 2007
Form 4PRIMARY DOCUMENT19 Sep 2006
Form 3PRIMARY DOCUMENT31 Aug 2006

Peale Daniel S(10)

Form 4PRIMARY DOCUMENT1 Jun 2017
Form 4PRIMARY DOCUMENT2 Mar 2017
Form 4PRIMARY DOCUMENT9 Feb 2017
Form 4PRIMARY DOCUMENT8 Feb 2017
Form 4PRIMARY DOCUMENT1 Dec 2016
Form 4PRIMARY DOCUMENT17 Oct 2016
Form 4PRIMARY DOCUMENT2 Sep 2016
Form 4PRIMARY DOCUMENT2 Jun 2016
Form 4PRIMARY DOCUMENT10 Feb 2016
Form 3PRIMARY DOCUMENT8 Feb 2016

Kim Thomas Sang(10)

Form 4PRIMARY DOCUMENT6 May
Form 4PRIMARY DOCUMENT10 Feb
Form 4PRIMARY DOCUMENT9 Feb
Form 4PRIMARY DOCUMENT6 May 2025
Form 4PRIMARY DOCUMENT10 Feb 2025
Form 4PRIMARY DOCUMENT7 May 2024
Form 4PRIMARY DOCUMENT13 Feb 2024
Form 4PRIMARY DOCUMENT12 Feb 2024
Form 4PRIMARY DOCUMENT8 May 2023
Form 3PRIMARY DOCUMENT18 Apr 2023

Van Ham Dick(10)

Form 4PRIMARY DOCUMENT2 Jun
Form 4PRIMARY DOCUMENT3 Mar
Form 4PRIMARY DOCUMENT11 Feb
Form 4PRIMARY DOCUMENT10 Feb
Form 4PRIMARY DOCUMENT9 Feb
Form 4PRIMARY DOCUMENT2 Dec 2025
Form 4PRIMARY DOCUMENT17 Sep 2025
Form 4PRIMARY DOCUMENT12 Feb 2025
Form 4PRIMARY DOCUMENT10 Feb 2025
Form 3PRIMARY DOCUMENT6 Feb 2025

Christopher Alister(9)

Form 4PRIMARY DOCUMENT19 May 2008
Form 4PRIMARY DOCUMENT14 May 2008
Form 4PRIMARY DOCUMENT19 Feb 2008
Form 4PRIMARY DOCUMENT17 May 2007
Form 4PRIMARY DOCUMENT20 Feb 2007
Form 4PRIMARY DOCUMENT14 Feb 2007
Form 4PRIMARY DOCUMENT17 Mar 2006
Form 4PRIMARY DOCUMENT17 Jun 2005
Form 3PRIMARY DOCUMENT10 Nov 2004

Riess Michele(9)

Form 4PRIMARY DOCUMENT10 Jun 2008
Form 4PRIMARY DOCUMENT6 Jun 2008
Form 4PRIMARY DOCUMENT5 Jun 2008
Form 4PRIMARY DOCUMENT4 Jun 2008
Form 4PRIMARY DOCUMENT14 May 2008
Form 4PRIMARY DOCUMENT20 Feb 2008
Form 4PRIMARY DOCUMENT20 Feb 2007
Form 3PRIMARY DOCUMENT28 Feb 2006
Form 4PRIMARY DOCUMENT28 Feb 2006

SISCO DENNIS G(8)

Form 4PRIMARY DOCUMENT2 Jul 2004
Form 4PRIMARY DOCUMENT2 Apr 2004
Form 4PRIMARY DOCUMENT2 Mar 2004
Form 4PRIMARY DOCUMENT6 Jan 2004
Form 4PRIMARY DOCUMENT22 Oct 2003
Form 4PRIMARY DOCUMENT2 Oct 2003
Form 4/APRIMARY DOCUMENT30 Jul 2003
Form 4PRIMARY DOCUMENT3 Jul 2003

FLEISHER MICHAEL D(7)

Form 4PRIMARY DOCUMENT4 Aug 2004
Form 4PRIMARY DOCUMENT1 Jun 2004
Form 4PRIMARY DOCUMENT7 May 2004
Form 4PRIMARY DOCUMENT7 May 2004
Form 4PRIMARY DOCUMENT7 May 2004
Form 5PRIMARY DOCUMENT12 Feb 2004
Form 4PRIMARY DOCUMENT3 Oct 2003

MOROWITZ ZACHARY(7)

Form 5PRIMARY DOCUMENT11 Feb 2005
Form 4PRIMARY DOCUMENT15 Sep 2004
Form 4PRIMARY DOCUMENT14 Sep 2004
Form 4PRIMARY DOCUMENT13 Sep 2004
Form 4PRIMARY DOCUMENT9 Sep 2004
Form 4PRIMARY DOCUMENT20 Aug 2004
Form 5PRIMARY DOCUMENT12 Feb 2004

Waters Joseph T(7)

Form 4PRIMARY DOCUMENT19 Nov 2007
Form 4PRIMARY DOCUMENT30 May 2007
Form 4PRIMARY DOCUMENT17 May 2007
Form 4PRIMARY DOCUMENT20 Feb 2007
Form 4PRIMARY DOCUMENT17 Mar 2006
Form 4PRIMARY DOCUMENT17 Jun 2005
Form 3PRIMARY DOCUMENT26 Jan 2005

Bousa Edward Peter(6)

Form 4PRIMARY DOCUMENT5 Oct
Form 4PRIMARY DOCUMENT6 Jul
Form 4PRIMARY DOCUMENT1 Jun
Form 4PRIMARY DOCUMENT3 Apr
Form 4PRIMARY DOCUMENT19 Feb
Form 3PRIMARY DOCUMENT4 Feb

Rus Daniela L(6)

Form 4PRIMARY DOCUMENT5 Oct
Form 4PRIMARY DOCUMENT6 Jul
Form 4PRIMARY DOCUMENT1 Jun
Form 4PRIMARY DOCUMENT3 Apr
Form 4PRIMARY DOCUMENT19 Feb
Form 3PRIMARY DOCUMENT4 Feb

MAGLLARI LAURANE(4)

Form 4PRIMARY DOCUMENT12 Aug 2004
Form 4PRIMARY DOCUMENT11 Aug 2004
Form 4PRIMARY DOCUMENT8 Jun 2004
Form 3PRIMARY DOCUMENT11 Jul 2003

TAYLOR CLIVE(4)

Form 4PRIMARY DOCUMENT21 Nov 2005
Form 4PRIMARY DOCUMENT17 Jun 2005
Form 4PRIMARY DOCUMENT11 Jan 2005
Form 3PRIMARY DOCUMENT11 Jul 2003

PARDUE WILLARD JR(4)

Form 4PRIMARY DOCUMENT9 Nov 2004
Form 4PRIMARY DOCUMENT8 Jun 2004
Form 3PRIMARY DOCUMENT6 Feb 2004
Form 4PRIMARY DOCUMENT6 Feb 2004

McCarty Michael(4)

Form 4PRIMARY DOCUMENT17 Jun 2005
Form 4PRIMARY DOCUMENT8 Jun 2004
Form 4PRIMARY DOCUMENT18 May 2004
Form 3PRIMARY DOCUMENT10 May 2004

HUTCHINS GLENN H(3)

Form 4Statement of changes in beneficial ownership4 Aug 2005
Form 4Statement of changes in beneficial ownership30 Aug 2004
Form 4Statement of changes in beneficial ownership21 Jun 2004

OCONNELL MAUREEN E(3)

Form 4PRIMARY DOCUMENT11 Aug 2004
Form 4PRIMARY DOCUMENT8 Jun 2004
Form 4PRIMARY DOCUMENT22 Oct 2003

SHAPIRO LEON(3)

Form 5PRIMARY DOCUMENT10 Feb 2005
Form 5PRIMARY DOCUMENT12 Feb 2004
Form 3PRIMARY DOCUMENT10 Jul 2003

Parker Beverly R(3)

Form 4PRIMARY DOCUMENT8 Jun 2004
Form 4PRIMARY DOCUMENT18 May 2004
Form 3PRIMARY DOCUMENT12 May 2004

Mintz Gerald D(3)

Form 4PRIMARY DOCUMENT27 Aug 2004
Form 4PRIMARY DOCUMENT15 Jul 2004
Form 3PRIMARY DOCUMENT2 Jul 2004

Consolazio Eric(3)

Form 4PRIMARY DOCUMENT17 Mar 2006
Form 3PRIMARY DOCUMENT23 Jun 2005
Form 4PRIMARY DOCUMENT15 Jun 2005

ROUX DAVID J(2)

Form 4Statement of changes in beneficial ownership30 Aug 2004
Form 4Statement of changes in beneficial ownership21 Jun 2004

YAMAMOTO KEN(2)

Form 4PRIMARY DOCUMENT8 Jun 2004
Form 3PRIMARY DOCUMENT10 Feb 2004

Gardner Colette Y(2)

Form 3PRIMARY DOCUMENT3 Aug 2005
Form 4PRIMARY DOCUMENT2 Aug 2005

Arlington Gregory L.(2)

Form 4PRIMARY DOCUMENT30 Oct
Form 3PRIMARY DOCUMENT4 Nov

DANIELS DEAN(1)

Form 3PRIMARY DOCUMENT11 Jul 2003

HANEWINCKEL MADELINE(1)

Form 3PRIMARY DOCUMENT11 Jul 2003

DOUGHERTY JAMES(1)

Form 3PRIMARY DOCUMENT11 Jul 2003

KNAPP ROBERT E(1)

Form 5PRIMARY DOCUMENT12 Feb 2004

Pyatt Saul(1)

Form 3PRIMARY DOCUMENT4 Aug

≥5% Ownership

BAMCO INC /NY/(25)

SC 13G/AGartner Inc3 Jun
SC 13G/AGartner Inc15 May
SC 13G/AGartner Inc14 Nov 2025
SC 13G/AGartner Inc15 May 2025
SC 13G/AGartner Inc14 Nov 2024
SC 13G/AGartner Inc14 Feb 2024
SC 13G/AGartner Inc14 Feb 2023
SC 13G/AGartner Inc14 Feb 2022
SC 13G/AGartner Inc12 Feb 2021
SC 13G/AGartner Inc14 Feb 2020

PRICE T ROWE ASSOCIATES INC /MD/(16)

SC 13G/AGartner Inc16 Feb 2021
SC 13G/AGartner Inc14 Feb 2020
SC 13GGartner Inc14 Feb 2019
SC 13G/AGartner Inc7 Feb 2017
SC 13G/AGartner Inc11 Feb 2016
SC 13G/AGartner Inc13 Feb 2015
SC 13G/AGartner Inc11 Feb 2014
SC 13G/AGartner Inc6 Feb 2013
SC 13G/AGartner Inc10 Feb 2012
SC 13G/AGartner Inc10 Feb 2011

VANGUARD GROUP INC(16)

SC 13G/AGartner Inc26 Mar
SC 13G/AGartner Inc29 Jul 2025
SC 13G/AGartner Inc13 Feb 2024
SC 13G/AGartner Inc9 Feb 2023
SC 13G/AGartner Inc10 Feb 2022
SC 13G/AGartner Inc10 Feb 2021
SC 13G/AGartner Inc12 Feb 2020
SC 13G/AGartner Inc11 Feb 2019
SC 13G/AGartner Inc11 Jun 2018
SC 13G/AGartner Inc9 Feb 2018

BlackRock Inc.(16)

SC 13GGartner Inc26 Jan 2024
SC 13G/AGartner Inc3 Feb 2023
SC 13G/AGartner Inc1 Feb 2022
SC 13G/AGartner Inc29 Jan 2021
SC 13G/AGartner Inc5 Feb 2020
SC 13G/AGartner Inc4 Feb 2019
SC 13G/AGartner Inc8 Feb 2018
SC 13G/AGartner Inc24 Jan 2017
SC 13G/AGartner Inc10 Feb 2016
SC 13G/AGartner Inc9 Feb 2015

WELLINGTON MANAGEMENT CO LLP(9)

SC 13G/AGartner Inc14 Feb 2006
SC 13GGartner Inc14 Feb 2005
SC 13G/AGartner Inc12 Feb 2004
SC 13G/AGartner Inc12 Feb 2003
SC 13G/AGartner Inc12 Feb 2002
SC 13G/AGartner Inc10 Dec 2001
SC 13G/AGartner Group Inc13 Feb 2001
SC 13G/AGartner Group Inc8 Sep 2000
SC 13GGartner Group Inc11 Feb 2000

VA Partners I, LLC(6)

SC 13D/AGartner Inc15 Nov 2011
SC 13D/AGartner Inc16 May 2011
SC 13D/AGartner Inc25 Feb 2011
SC 13D/AGartner Inc22 Feb 2011
SC 13D/AGartner Inc17 Feb 2011
SC 13D/AGartner Inc10 Sep 2010

FMR CORP(5)

SC 13G/AGartner Group Inc10 Jul 2000
SC 13G/AGartner Group Inc10 May 2000
SC 13G/AGartner Group Inc10 Mar 2000
SC 13G/AGartner Group Inc10 Jan 2000
SC 13GGartner Group Inc12 Nov 1999

FIRST MANHATTAN CO(5)

SC 13G/AGartner Inc12 Feb 2004
SC 13G/AGartner Inc13 Feb 2003
SC 13G/AGartner Inc15 Feb 2002
SC 13G/AGartner Group Inc7 Feb 2001
SC 13GGartner Group Inc10 Feb 2000

LAZARD FRERES & CO LLC(5)

SC 13G/AGartner Inc18 Feb 2003
SC 13G/AGartner Inc15 Feb 2002
SC 13G/AGartner Inc10 Aug 2001
SC 13G/AGartner Group Inc13 Feb 2001
SC 13GGartner Group Inc6 Nov 2000

MORGAN STANLEY(5)

SC 13G/AGartner Inc12 Feb 2015
SC 13G/AGartner Inc11 Feb 2014
SC 13G/AGartner Inc13 Feb 2013
SC 13G/AGartner Inc8 Feb 2012
SC 13GGartner Inc9 Feb 2011

ROYCE & ASSOCIATES LLC(5)

SC 13G/AGartner Inc29 Jan 2013
SC 13G/AGartner Inc12 Jan 2012
SC 13G/AGartner Inc13 Jan 2011
SC 13G/AGartner Inc2 Feb 2010
SC 13GGartner Inc26 Jan 2009

MARATHON ASSET MANAGEMENT LLP(5)

SC 13G/AGartner Inc25 Jul 2011
SC 13G/AGartner Inc3 Feb 2011
SC 13GGartner Inc29 Jan 2010
SC 13G/AGartner Inc12 Jan 2009
SC 13GGartner Inc25 Jan 2008

SHAPIRO CAPITAL MANAGEMENT CO INC(5)

SC 13GGartner Inc9 Jul 2004
SC 13GGartner Inc10 Feb 2004
SC 13GGartner Inc10 Sep 2003
SC 13GGartner Inc6 Aug 2003
SC 13GGartner Inc6 Feb 2003

FARALLON CAPITAL MANAGEMENT LLC(4)

SC 13G/AGartner Inc3 Feb 2004
SC 13GGartner Inc3 Feb 2003
SC 13G/AGartner Group Inc9 Feb 2001
SC 13GGartner Group Inc24 Feb 2000

POLEN CAPITAL MANAGEMENT LLC(4)

SC 13G/AGartner Inc10 Feb 2023
SC 13G/AGartner Inc10 Feb 2022
SC 13G/AGartner Inc11 Feb 2021
SC 13GGartner Inc5 Feb 2020

IMS HEALTH INC(4)

SC 13G/AGartner Inc14 Feb 2002
SC 13G/AGartner Group Inc13 Feb 2001
SC 13G/AGartner Group Inc3 Feb 2000
SC 13GGartner Group Inc16 Feb 1999

COGNIZANT CORP(3)

SC 13G/AGartner Group Inc21 Jan 1998
SC 13GGartner Group Inc25 Feb 1997
SC 13GGartner Group Inc11 Feb 1997

REICH & TANG ASSET MANAGEMENT LP(3)

SC 13G/AGartner Inc10 Feb 2004
SC 13G/AGartner Inc10 Feb 2004
SC 13GGartner Inc6 Feb 2003

JANUS HENDERSON GROUP PLC(3)

SC 13G/AGartner Inc14 Feb 2020
SC 13G/AGartner Inc12 Feb 2019
SC 13GGartner Inc12 Feb 2018

FRANKLIN RESOURCES INC(2)

SC 13G/AGartner Inc14 Feb 2002
SC 13GGartner Group Inc8 Feb 2001

JENNISON ASSOCIATES LLC(2)

SC 13G/AGartner Group Inc11 Feb 1999
SC 13GGartner Group Inc12 Feb 1998

WELLS FARGO & CO/MN(2)

SC 13G/AGartner Inc10 Feb 2010
SC 13GGartner Inc20 Jan 2010

SELIGMAN J & W & CO INC /NY/(2)

SC 13G/AGartner Group Inc9 Mar 2001
SC 13GGartner Group Inc1 Feb 2001

PRUDENTIAL INSURANCE CO OF AMERICA(2)

SC 13G/AGartner Group Inc26 Jan 1999
SC 13GGartner Group Inc13 Feb 1998

LEVIN JOHN A & CO INC /NY/(2)

SC 13G/AGartner Inc14 Feb 2003
SC 13GGartner Inc14 Feb 2002

SHAPIRO CAPITAL MANAGEMENT CO INC /ADV(2)

SC 13GGartner Inc15 Feb 2002
SC 13GGartner Inc11 Jun 2001

FIR TREE PARTNERS(2)

SC 13D/AGartner Inc27 Jul 2001
SC 13DGartner Group Inc24 May 2000

HIGH ROCK CAPITAL LLC(2)

SC 13G/AGartner Inc13 Feb 2004
SC 13GGartner Inc7 Feb 2003

AQR CAPITAL MANAGEMENT LLC(2)

SC 13G/AGartner Inc13 Aug
SC 13GGartner Inc15 May

GENERATION INVESTMENT MANAGEMENT LLP(2)

SC 13G/AGartner Inc14 Feb 2022
SC 13G/AGartner Inc16 Feb 2021

Independent Franchise Partners LLP(2)

SC 13G/AGartner Inc13 Aug
SC 13GGartner Inc14 May

Capital International Investors(2)

SC 13G/AGartner Inc14 May
SC 13GGartner Inc13 Feb

Select Equity Group, L.P.(2)

SC 13G/AGartner Inc14 Feb 2019
SC 13GGartner Inc14 Feb 2018

BlackRock, Inc.(2)

SC 13G/AGartner Inc28 Jul
SC 13G/AGartner Inc17 Jul 2025

DUN & BRADSTREET CORP(1)

SC 13G/AGartner Group Inc7 Feb 1996

SILVER LAKE INVESTORS LP(1)

SC 13D/AGartner Inc18 Sep 2006

VANGUARD CAPITAL MANAGEMENT LLC(1)

SC 13GGartner Inc29 Apr

VANGUARD PORTFOLIO MANAGEMENT LLC(1)

SC 13GGartner Inc29 Apr

Gartner Inc(IT US)

Gartner Inc(IT US)

Gartner Inc(IT US)

Gartner Inc(IT US)

SEC Filings by Owner

SEC Filings by Owner

Insider Ownership

Dawkins Alwyn(229)

HALL EUGENE A(208)

Kranich Robin B(180)

SMITH JAMES C(158)

FUCHS ANNE SUTHERLAND(158)

GRABE WILLIAM O(147)

PAGLIUCA STEPHEN G(138)

DYKSTRA KAREN E(123)

Safian Craig(118)

BRESSLER RICHARD J(114)

CESAN RAUL E(91)

VA PARTNERS LLC(82)

SCHWARTZ LEWIS G(80)

LAFOND CHRISTOPHER(80)

Sondergaard Peter(76)

Bingle Michael J(75)

KUTNICK DALE(69)

Davis Kendall B(68)

GODFREY DAVID(59)

Bisson Peter(55)

Serra Eileen(53)

WAERN PER ANDERS(50)

YOO MICHAEL J(44)

UBBEN JEFFREY W(42)

Herkes Claire(41)

Beck Joseph P.(40)

Hrelic Darko(39)

Genovese Yvonne(39)

Hensel Scott(38)

HOPPER MAX D(37)

ValueAct Capital Management, L.P.(36)

ValueAct Capital Management, LLC(36)

Christopher MR Thomas(35)

Kaufman Jules(35)

Diliberto Michael Patrick(35)

Allard Kenneth(33)

Sribar Valentin(31)

FERGUSON DIANA SUE(29)

WEBB MAYNARD G JR(28)

VA Partners I, LLC(25)

ValueAct Holdings GP, LLC(25)

ValueAct Holdings, L.P.(25)

GUTIERREZ JOSE M(24)

FRADIN RUSSELL P(23)

JOYCE JOHN R(23)

Wartinbee William James III(23)

Jain Akhil(22)

McVeigh David K(20)

ValueAct Capital Master Fund, L.P.(20)

KAMIN PETER H(19)

SILVER LAKE PARTNERS LP(17)

SILVER LAKE INVESTORS LP(16)

FERTIG SCOTT(16)

SILVER LAKE TECHNOLOGY INVESTORS LLC(16)

Noble Timothy(14)

Harris Michael P(14)

Rinello John J(13)

JULIAN DIANE L(12)

Rupani Altaf(12)

PATTON ROBERT C(11)

Collins Donna Ann(10)

Peale Daniel S(10)

Kim Thomas Sang(10)

Van Ham Dick(10)

Christopher Alister(9)

Riess Michele(9)

SISCO DENNIS G(8)

VA Partners III, LLC(8)

FLEISHER MICHAEL D(7)

MOROWITZ ZACHARY(7)

Waters Joseph T(7)

Bousa Edward Peter(6)

Rus Daniela L(6)