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Gartner Inc

IT
Exchange
NYSE
Industry
Services-Management Services
SEC CIK
0000749251

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 2025

Institutional positions in Gartner Inc as of Sep 30, 2025. 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

Institutional holders
795
−88 vs. Q2 2025
Shares held
72.2M
−523.8K (−0.7%) vs. Q2 2025
Total value
$18.9B
−$10.4B (−35.5%) vs. Q2 2025
New holders
130
256 more added
Sold out
218
316 more reduced

15 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: 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 holdersQ3 2025: 795 institutions
Q1 2021: 575 institutionsQ2 2021: 611 institutionsQ3 2021: 648 institutionsQ4 2021: 691 institutionsQ1 2022: 709 institutionsQ2 2022: 692 institutionsQ3 2022: 694 institutionsQ4 2022: 768 institutionsQ1 2023: 764 institutionsQ2 2023: 780 institutionsQ3 2023: 792 institutionsQ4 2023: 866 institutionsQ1 2024: 880 institutionsQ2 2024: 876 institutionsQ3 2024: 908 institutionsQ4 2024: 952 institutionsQ1 2025: 921 institutionsQ2 2025: 898 institutionsQ3 2025: 795 institutionsQ4 2025: 815 institutionsQ1 2026: 719 institutionsQ2 2026: 653 institutions
Value heldQ3 2025: $18.9B
Q1 2021: $14.6BQ2 2021: $18.7BQ3 2021: $23.1BQ4 2021: $25.1BQ1 2022: $22.0BQ2 2022: $17.7BQ3 2022: $20.4BQ4 2022: $24.5BQ1 2023: $23.8BQ2 2023: $25.2BQ3 2023: $24.8BQ4 2023: $32.3BQ1 2024: $34.0BQ2 2024: $32.1BQ3 2024: $35.8BQ4 2024: $35.2BQ1 2025: $30.8BQ2 2025: $29.8BQ3 2025: $18.9BQ4 2025: $18.3BQ1 2026: $12.0BQ2 2026: $9.69B
Institutions holding IT and their total value by quarter
QuarterHoldersValue
Q2 2026653$9.69B
Q1 2026719$12.0B
Q4 2025815$18.3B
Q3 2025795$18.9B
Q2 2025898$29.8B
Q1 2025921$30.8B
Q4 2024952$35.2B
Q3 2024908$35.8B
Q2 2024876$32.1B
Q1 2024880$34.0B
Q4 2023866$32.3B
Q3 2023792$24.8B
Q2 2023780$25.2B
Q1 2023764$23.8B
Q4 2022768$24.5B
Q3 2022694$20.4B
Q2 2022692$17.7B
Q1 2022709$22.0B
Q4 2021691$25.1B
Q3 2021648$23.1B
Q2 2021611$18.7B
Q1 2021575$14.6B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Gartner Inc; share changes are against Q2 2025.

Institutions holding IT in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
LPL Financial LLC21,390$5.62M0.00%+295+1.4%Added
Aware Super Pty Ltd as trustee of Aware Super21,500$5.65M0.08%00.0%Unchanged
Toroso Investments, LLC21,738$5.71M0.02%+10,648+96.0%Added
Creative Planning21,778$5.72M0.00%+9,136+72.3%Added
MetLife Investment Management22,324$5.87M0.03%−665−2.9%Reduced
Schroder Investment Management Group22,333$5.87M0.00%−445,588−95.2%Reduced
State of Michigan Retirement System22,447$5.90M0.03%−500−2.2%Reduced
Ilmarinen Mutual Pension Insurance Co22,477$5.91M0.04%+6,477+40.5%Added
Omers Administration Corp22,528$5.92M0.04%00.0%Unchanged
Arizona State Retirement System22,672$5.96M0.03%+220+1.0%Added
Walleye Capital LLC22,690$5.96M0.05%+22,569+18,652.1%Added
Trexquant Investment LP22,945$6.03M0.06%−33,210−59.1%Reduced
Susquehanna International Group, LLP23,073$6.07M0.01%+3,478+17.7%Added
Man Group plc23,141$6.08M0.01%−52,210−69.3%Reduced
Varma Mutual Pension Insurance Co23,401$6.15M0.04%+1,900+8.8%Added
Public Employees Retirement System of Ohio23,406$6.15M0.02%+145+0.6%Added
State of Alaska, Department of Revenue23,552$6.19M0.06%+7,642+48.0%Added
Storebrand Asset Management AS23,950$6.30M0.02%−36,016−60.1%Reduced
Lansforsakringar Fondforvaltning AB (publ)24,054$6.32M0.03%+80+0.3%Added
Winton Group Ltd24,066$6.33M0.24%+24,066New
Sora Investors LLC24,288$6.38M0.59%+19,734+433.3%Added
SRS Capital Advisors, Inc.24,614$6.47M0.09%+24,519+25,809.5%Added
Captrust Financial Advisors24,629$6.47M0.01%−6,097−19.8%Reduced
McCollum Christoferson Group LLC25,155$6.61M1.89%−662−2.6%Reduced
Wealthfront Advisers LLC25,166$6.62M0.02%+22,079+715.2%Added
The PNC Financial Services Group, Inc.25,270$6.64M0.00%−7,378−22.6%Reduced
Natixis25,389$6.67M0.04%+25,389New
Landscape Capital Management, L.L.C.25,470$6.70M0.42%+19,620+335.4%Added
Rafferty Asset Management, LLC25,535$6.71M0.02%+400+1.6%Added
M&T Bank Corp25,560$6.72M0.02%−2,996−10.5%Reduced
State of New Jersey Common Pension Fund D26,354$6.93M0.03%+1,615+6.5%Added
Holocene Advisors, LP26,461$6.96M0.02%−3,303−11.1%Reduced
State of Tennessee, Treasury Department26,995$7.10M0.02%−4,441−14.1%Reduced
KLP Kapitalforvaltning AS27,290$7.17M0.03%00.0%Unchanged
Mn Services Vermogensbeheer B.V.28,600$7.52M0.05%00.0%Unchanged
Nomura Asset Management Co Ltd28,902$7.60M0.02%−10,383−26.4%Reduced
Hiddenite Capital Partners LP29,000$7.62M4.13%+29,000New
Ceera Investments, LLC29,034$7.63M2.38%+29,034New
Ameriprise Financial Inc29,104$7.65M0.00%−9,169−24.0%Reduced
Knightsbridge Asset Management, LLC29,378$7.72M1.31%+29,378New
Pinebridge Investments, L.P.30,262$7.95M0.06%−19,493−39.2%Reduced
CWM, LLC30,950$8.14M0.02%+21,489+227.1%Added
Foyston, Gordon, & Payne Inc32,074$8.43M1.84%+32,074New
Cerity Partners LLC32,439$8.53M0.01%+17,810+121.7%Added
Virginia Retirement Systems Et Al32,554$8.56M0.06%+32,554New
Illinois Municipal Retirement Fund32,744$8.61M0.11%−8,039−19.7%Reduced
Asset Management One Co.,Ltd.32,968$8.67M0.03%−13,058−28.4%Reduced
Treasurer of the State of North Carolina33,684$8.86M0.03%−22,586−40.1%Reduced
Royal London Asset Management Ltd34,497$9.07M0.02%00.0%Unchanged
Crown Oak Advisors, LLC22,498$9.09M4.30%00.0%Unchanged
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund36,466$9.59M0.08%+900+2.5%Added
TrimTabs Asset Management, LLC37,969$9.98M1.33%+1,080+2.9%Added
Chevy Chase Trust Holdings, Inc.38,652$10.2M0.03%−2,077−5.1%Reduced
Raymond James Financial Inc39,126$10.3M0.00%−261,644−87.0%Reduced
1832 Asset Management L.P.39,600$10.4M0.02%+34,081+617.5%Added
State of Wisconsin Investment Board40,379$10.6M0.02%−3,371−7.7%Reduced
Nicholas Company, Inc.40,673$10.7M0.18%−200.0%Reduced
Korea Investment CORP41,670$11.0M0.02%−24,437−37.0%Reduced
Stifel Financial Corp41,706$11.0M0.01%−7,578−15.4%Reduced
Calamos Advisors LLC43,790$11.5M0.05%00.0%Unchanged
Empowered Funds, LLC44,370$11.7M0.12%+35,006+373.8%Added
Pictet Asset Management Holding SA44,674$11.7M0.01%−16,536−27.0%Reduced
Quantinno Capital Management LP45,579$12.0M0.03%+26,881+143.8%Added
New York State Common Retirement Fund46,299$12.2M0.02%+216+0.5%Added
Oppenheimer Asset Management Inc.46,490$12.2M0.13%−9,208−16.5%Reduced
National Bank of Canada46,849$12.3M0.01%−21,243−31.2%Reduced
Kornitzer Capital Management Inc46,856$12.3M0.25%00.0%Unchanged
Swiss Life Asset Management Ltd47,165$12.4M0.06%+28,319+150.3%Added
Toronto Dominion Bank47,960$12.6M0.02%+15,445+47.5%Added
Quadrature Capital Ltd48,098$12.6M0.15%+48,098New
B. Metzler seel. Sohn & Co. AG48,324$12.7M0.11%−28,090−36.8%Reduced
Mediolanum International Funds Ltd48,909$12.8M0.13%+28,204+136.2%Added
Goodnow Investment Group, LLC49,230$12.9M1.24%+49,230New
Danske Bank A/S49,278$13.0M0.03%+88+0.2%Added
Canada Pension Plan Investment Board53,610$14.1M0.01%−20,230−27.4%Reduced
Andra AP-fonden55,006$14.5M0.18%−120,794−68.7%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH55,188$14.5M0.02%−6,030−9.9%Reduced
Skandinaviska Enskilda Banken AB (publ)55,201$14.5M0.06%−5,307−8.8%Reduced
Ieq Capital, LLC56,968$15.0M0.05%+40,374+243.3%Added
Swedbank AB57,614$15.1M0.02%−5,312−8.4%Reduced
Distillate Capital Partners LLC57,957$15.2M0.79%+57,957New
Square Wave Capital, LLC58,198$15.3M5.60%+27,470+89.4%Added
Bridgewater Associates, LP59,780$15.7M0.06%+59,780New
Citigroup Inc60,246$15.8M0.01%−34,718−36.6%Reduced
SEI Investments Co62,265$16.4M0.02%−28,940−31.7%Reduced
Renaissance Technologies LLC62,909$16.5M0.02%−151,100−70.6%Reduced
Aviva PLC62,966$16.6M0.03%+4,407+7.5%Added
Schwerin Boyle Capital Management Inc64,527$17.0M1.85%−563−0.9%Reduced
New York State Teachers Retirement System65,148$17.1M0.03%−1,087−1.6%Reduced
State Board of Administration of Florida Retirement System65,563$17.2M0.03%−4,968−7.0%Reduced
Adage Capital Partners GP, L.L.C.68,900$18.1M0.03%+3,400+5.2%Added
Connor, Clark & Lunn Investment Management Ltd.69,028$18.1M0.06%+60,719+730.8%Added
Geneva Capital Management LLC69,722$18.3M0.31%−3,709−5.1%Reduced
Russell Investments Group, Ltd.70,687$18.6M0.02%−39,097−35.6%Reduced
Standard Life Aberdeen plc72,742$19.1M0.03%+6,084+9.1%Added
APG Asset Management N.V.86,518$19.4M0.05%−1,700−1.9%Reduced
Healthcare of Ontario Pension Plan Trust Fund75,098$19.7M0.04%+69,128+1,157.9%Added
Unio Capital LLC77,253$20.3M4.84%+42,556+122.7%Added
Bank of Montreal77,920$20.5M0.01%+21,700+38.6%Added
TimesSquare Capital Management, LLC79,023$20.8M0.30%−142,861−64.4%Reduced