Gartner Inc

Exchange: NYSE
Industry: Services-Management Services
SEC CIK: 0000749251

SEC filings (opens in a new tab)

In the last 90 days, Gartner Inc insiders filed 0 open-market purchases and 5 sales; 653 institutions reported holding it in 13F filings for Q2 2026, worth $9.69B in total; Harris Associates (Oakmark) is the only superinvestor holding it.

13F holders, Q3 2026

Institutional positions in Gartner Inc as of Sep 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders: 4; 0 vs. Q2 2026
Shares held: 859; +444 (+107.0%) vs. Q2 2026
Total value: $160.1K; +$106.3K (+197.6%) vs. Q2 2026
New holders: 1; 2 more added
Sold out: 1; 0 more reduced

649 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders

Value held

Institutions holding IT and their total value by quarter
Quarter	Holders	Value
Q2 2026	653	$9.69B
Q1 2026	719	$12.0B
Q4 2025	815	$18.3B
Q3 2025	795	$18.9B
Q2 2025	898	$29.8B
Q1 2025	921	$30.8B
Q4 2024	952	$35.2B
Q3 2024	908	$35.8B
Q2 2024	876	$32.1B
Q1 2024	880	$34.0B
Q4 2023	866	$32.3B
Q3 2023	792	$24.8B
Q2 2023	780	$25.2B
Q1 2023	764	$23.8B
Q4 2022	768	$24.5B
Q3 2022	694	$20.4B
Q2 2022	692	$17.7B
Q1 2022	709	$22.0B
Q4 2021	691	$25.1B
Q3 2021	648	$23.1B
Q2 2021	611	$18.7B
Q1 2021	575	$14.6B

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding Gartner Inc; share changes are against Q2 2026.

Institutions holding IT in Q3 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Nykredit A/S	–	–	–	–	Not filed
Connecticut Wealth Management, LLC	–	–	–	–	Not filed
Quantbot Technologies LP	–	–	–	–	Not filed
AlphaCore Capital LLC	–	–	–	–	Not filed
Chicago Capital, LLC	–	–	–	–	Not filed
Daymark Wealth Partners, LLC	–	–	–	–	Not filed
Nomura Asset Management Co Ltd	–	–	–	–	Not filed
Turtle Creek Wealth Advisors, LLC	–	–	–	–	Not filed
Institute for Wealth Management, LLC.	–	–	–	–	Not filed
Parcion Private Wealth LLC	–	–	–	–	Not filed
Northwestern Mutual Investment Management Company, LLC	–	–	–	–	Not filed
EverSource Wealth Advisors, LLC	–	–	–	–	Not filed
IFP Advisors, Inc	–	–	–	–	Not filed
Blueshift Asset Management, LLC	–	–	–	–	Not filed
RMB Capital Management, LLC	–	–	–	–	Not filed
Connable Office Inc	–	–	–	–	Not filed
North Dakota State Investment Board	–	–	–	–	Not filed
Caitong International Asset Management Co., Ltd	–	–	–	–	Not filed
Angeles Wealth Management, LLC	–	–	–	–	Not filed
MUFG Securities Americas Inc.	–	–	–	–	Not filed
Northeast Investment Management	–	–	–	–	Not filed
Capital Investment Counsel, Inc	–	–	–	–	Not filed
STRS Ohio	–	–	–	–	Not filed
Main Street Research LLC	–	–	–	–	Not filed
Exchange Traded Concepts, LLC	–	–	–	–	Not filed
Banque Cantonale Vaudoise	–	–	–	–	Not filed
Meeder Advisory Services, Inc.	–	–	–	–	Not filed
Frec Markets, Inc.	–	–	–	–	Not filed
West Family Investments, Inc.	–	–	–	–	Not filed
Lighthouse Investment Partners, LLC	–	–	–	–	Not filed
V-Square Quantitative Management LLC	–	–	–	–	Not filed
Sumitomo Mitsui DS Asset Management Company, Ltd	–	–	–	–	Not filed
Wick Capital Partners, LLC	–	–	–	–	Not filed
Securian Asset Management, Inc	–	–	–	–	Not filed
Qtron Investments LLC	–	–	–	–	Not filed
Vontobel Holding Ltd.	–	–	–	–	Not filed
Wakefield Asset Management LLLP	–	–	–	–	Not filed
E Fund Management Co., Ltd.	–	–	–	–	Not filed
Arlington Partners LLC	–	–	–	–	Not filed
Dorsey & Whitney Trust CO LLC	–	–	–	–	Not filed
Kentucky Retirement Systems Insurance Trust Fund	–	–	–	–	Not filed
Wahed Invest LLC	–	–	–	–	Not filed
Cullen/Frost Bankers, Inc.	–	–	–	–	Not filed
GAMMA Investing LLC	–	–	–	–	Not filed
HM Payson & Co	–	–	–	–	Not filed
Optiver Holding B.V.	–	–	–	–	Not filed
Farther Finance Advisors, LLC	–	–	–	–	Not filed
Financial Solutions Advisory Group, Inc.	–	–	–	–	Not filed
Flagship Private Wealth, LLC	–	–	–	–	Not filed
J. Safra Sarasin Holding AG	–	–	–	–	Not filed
Gsa Capital Partners LLP	–	–	–	–	Not filed
Baker Avenue Asset Management, LP	–	–	–	–	Not filed
FIL Ltd	–	–	–	–	Not filed
Syntegra Private Wealth Group, LLC	–	–	–	–	Not filed
QTR Family Wealth, LLC	–	–	–	–	Not filed
Claret Asset Management Corp	–	–	–	–	Not filed
Clear Creek Financial Management, LLC	–	–	–	–	Not filed
Ci Investments Inc.	–	–	–	–	Not filed
Johnson Financial Group, LLC	–	–	–	–	Not filed
Syon Capital LLC	–	–	–	–	Not filed
Kera Capital Partners, Inc.	–	–	–	–	Not filed
Man Group plc	–	–	–	–	Not filed
Lansforsakringar Fondforvaltning AB (publ)	–	–	–	–	Not filed
Huntington National Bank	–	–	–	–	Not filed
Signaturefd, LLC	–	–	–	–	Not filed
Essential Partners LLC	–	–	–	–	Not filed
Tema ETFs LLC	–	–	–	–	Not filed
Steward Partners Investment Advisory, LLC	–	–	–	–	Not filed
St Germain D J Co Inc	–	–	–	–	Not filed
Umb Bank N A	–	–	–	–	Not filed
Horizon Investments, LLC	–	–	–	–	Not filed
Parallel Advisors, LLC	–	–	–	–	Not filed
MCF Advisors LLC	–	–	–	–	Not filed
Vestcor Inc	–	–	–	–	Not filed
Smartleaf Asset Management LLC	–	–	–	–	Not filed
Northwestern Mutual Wealth Management Co	–	–	–	–	Not filed
Massmutual Trust Co FSB	–	–	–	–	Not filed
Evergreen Private Wealth LLC	–	–	–	–	Not filed
Whittier Trust Co of Nevada Inc	–	–	–	–	Not filed
Canada Post Corp Registered Pension Plan	–	–	–	–	Not filed
Mather Group, LLC.	–	–	–	–	Not filed
McCarthy Grittinger Financial Group, LLC	–	–	–	–	Not filed
Clearstead Advisors, LLC	–	–	–	–	Not filed
Ameritas Investment Partners, Inc.	–	–	–	–	Not filed
Pinnacle Wealth Planning Services, Inc.	–	–	–	–	Not filed
Walleye Capital LLC	–	–	–	–	Not filed
Bayforest Capital Ltd	–	–	–	–	Not filed
Swedbank AB	–	–	–	–	Not filed
Park Place Capital Corp	–	–	–	–	Not filed
True Wealth Design, LLC	–	–	–	–	Not filed
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	–	–	–	–	Not filed
Storebrand Asset Management AS	–	–	–	–	Not filed
Sterling Capital Management LLC	–	–	–	–	Not filed
Employees Retirement System of Texas	–	–	–	–	Not filed
Transamerica Financial Advisors, Inc.	–	–	–	–	Not filed
Quarry LP	–	–	–	–	Not filed
Walleye Trading LLC	–	–	–	–	Not filed
CVA Family Office, LLC	–	–	–	–	Not filed
Los Angeles Capital Management LLC	–	–	–	–	Not filed
Fulcrum Asset Management LLP	–	–	–	–	Not filed