GARTNER INC IT
COM · Common Stock · CUSIP 366651107 · ISIN US3666511072
- SectorIndustrials
- IndustryServices-Management Services
- HeadquartersStamford, CT
- Founded1979
- Websitegartner.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($41.9m this quarter). Holder counts are more reliable. Shares outstanding: 63.1m as of 2026-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $129.76. Options: 16 managers hold calls ($94.5m notional), 19 hold puts ($87.5m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 694 |
| Q4 2022 | 766 |
| Q1 2023 | 763 |
| Q2 2023 | 780 |
| Q3 2023 | 792 |
| Q4 2023 | 866 |
| Q1 2024 | 880 |
| Q2 2024 | 877 |
| Q3 2024 | 908 |
| Q4 2024 | 951 |
| Q1 2025 | 923 |
| Q2 2025 | 899 |
| Q3 2025 | 796 |
| Q4 2025 | 814 |
| Q1 2026 | 718 |
| Q2 2026 | 651 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 416 | 406 |
| Q4 2024 | 395 | 416 |
| Q1 2025 | 410 | 473 |
| Q2 2025 | 453 | 423 |
| Q3 2025 | 377 | 529 |
| Q4 2025 | 358 | 427 |
| Q1 2026 | 359 | 422 |
| Q2 2026 | 269 | 439 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $81.5m | $70.9m | 0.87 |
| Q4 2025 | $99.8m | $58.2m | 0.58 |
| Q1 2026 | $109.4m | $49.4m | 0.45 |
| Q2 2026 | $94.5m | $87.5m | 0.93 |
Biggest buyers
| BAMCO INC /NY/ | Added | +1.7m |
| TWO SIGMA INVESTMENTS, LP | Added | +1.0m |
| Independent Franchise Partners LLP | Added | +982.2k |
| AQR CAPITAL MANAGEMENT LLC | Added | +607.8k |
| JANE STREET GROUP, LLC | Added | +594.7k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Added | +577.9k |
| D. E. Shaw & Co., Inc. | Added | +559.0k |
| CITADEL ADVISORS LLC | Added | +516.5k |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +390.3k |
| FEDERATED HERMES, INC. | Added | +353.9k |
Biggest sellers
| Capital International Investors | Sold out | -2.0m |
| BlackRock, Inc. | Reduced | -1.7m |
| DEUTSCHE BANK AG\ | Reduced | -798.0k |
| UBS Group AG | Reduced | -583.1k |
| MORGAN STANLEY | Reduced | -510.0k |
| STATE STREET CORP | Reduced | -458.0k |
| Legal & General Group Plc | Reduced | -374.3k |
| JPMORGAN CHASE & CO | Reduced | -370.8k |
| HARRIS ASSOCIATES L P | Reduced | -289.0k |
| HSBC HOLDINGS PLC | Reduced | -287.8k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $24.8m191.4k shares |
| CITADEL ADVISORS LLC | Reduced | $21.2m163.3k shares |
| JANE STREET GROUP, LLC | Added | $18.7m143.9k shares |
| IMC-Chicago, LLC | Added | $11.2m86.4k shares |
| SIMPLEX TRADING, LLC | Added | $6.0m46.0k shares |
| Squarepoint Ops LLC | Reduced | $5.7m43.8k shares |
| Walleye Trading LLC | Added | $1.7m13.1k shares |
| Point72 Asset Management, L.P. | Added | $1.7m13.1k shares |
| Walleye Capital LLC | Reduced | $1.6m12.0k shares |
| TUDOR INVESTMENT CORP ET AL | Added | $492.6k3.8k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $29.1m224.8k shares |
| CITADEL ADVISORS LLC | Added | $13.9m107.5k shares |
| IMC-Chicago, LLC | Added | $9.4m72.3k shares |
| GOLDMAN SACHS GROUP INC | New | $8.7m66.8k shares |
| PEAK6 LLC | New | $5.7m44.3k shares |
| JANE STREET GROUP, LLC | Added | $5.1m39.5k shares |
| Point72 Asset Management, L.P. | Added | $3.8m29.6k shares |
| GROUP ONE TRADING LLC | New | $3.0m22.8k shares |
| D. E. Shaw & Co., Inc. | Added | $2.6m19.8k shares |
| Lido Advisors, LLC | New | $1.9m15.0k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BAMCO INC /NY/ 13G · institution +2.9 pts · filed 2026-06-03 | 11.3% |
| Independent Franchise Partners LLP 13G · institution +1.8 pts · filed 2026-08-13 | 8.3% |
| BlackRock, Inc. 13G · institution -2.0 pts · filed 2026-07-28 | 7.5% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 7.3% |
| AQR CAPITAL MANAGEMENT LLC 13G · institution +1.2 pts · filed 2026-08-13 | 6.2% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.3% |
Fell to 5% or below in the last year: Capital International Investors (2.9%, 2026-05-14), VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 14 | $49.4m | — |
| Q1 2025 | 0 | — | 3 | $1.6m | — |
| Q2 2025 | 0 | — | 9 | $6.0m | — |
| Q3 2025 | 1 | $100.0k | 1 | $26.2k | — |
| Q4 2025 | 1 | $9.9m | 2 | $135.5k | — |
| Q1 2026 | 1 | $7.7k | 0 | — | — |
| Q2 2026 | 0 | — | 0 | — | — |
| Q3 2026 | 0 | — | 5 | $1.4m | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-08-27 | Kranich Robin B EVP & CHRO | Sold | $644.1k3.3k shares |
| 2026-08-24 | Jain Akhil EVP, Consulting | Sold | $141.2k700 shares |
| 2026-08-10 | Genovese Yvonne EVP, Bus. & Tech. Insights | Sold | $229.0k1.2k shares |
| 2026-08-07 | Herkes Claire EVP, Conferences | Sold | $198.1k1.0k shares |
| 2026-08-07 | FUCHS ANNE SUTHERLAND Director | Sold | $158.5k860 shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BAMCO INC /NY/ 1.48% of their portfolio | 7.6m $985.2m | Added +1.7m |
| Independent Franchise Partners LLP 4.75% of their portfolio | 5.6m $723.7m | Added +982.2k |
| BlackRock, Inc. 0.01% of their portfolio | 5.2m $676.2m | Reduced -1.7m |
| VANGUARD CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 4.3m $553.0m | Reduced -201.4k |
| AQR CAPITAL MANAGEMENT LLC 0.19% of their portfolio | 4.2m $541.2m | Added +607.8k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.02% of their portfolio | 3.5m $456.4m | Reduced -172.6k |
| HARRIS ASSOCIATES L P 0.49% of their portfolio | 2.8m $369.0m | Reduced -289.0k |
| STATE STREET CORP 0.01% of their portfolio | 2.8m $364.1m | Reduced -458.0k |
| GEODE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 2.6m $337.0m | Added +390.3k |
| TWO SIGMA INVESTMENTS, LP 0.21% of their portfolio | 2.1m $276.1m | Added +1.0m |
| Invesco Ltd. 0.02% of their portfolio | 2.1m $267.2m | Added +40.0k |
| FEDERATED HERMES, INC. 0.38% of their portfolio | 2.0m $265.0m | Added +353.9k |
| MORGAN STANLEY 0.01% of their portfolio | 1.9m $242.1m | Reduced -510.0k |
| GOLDMAN SACHS GROUP INC 0.02% of their portfolio | 1.8m $228.0m | Reduced -15.9k |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 907.7k $117.7m | Added +134.0k |
| NORGES BANK 0.01% of their portfolio | 854.7k $110.8m | Not comparable |
| D. E. Shaw & Co., Inc. 0.06% of their portfolio | 804.8k $104.3m | Added +559.0k |
| BNP PARIBAS FINANCIAL MARKETS 0.05% of their portfolio | 673.9k $87.4m | Added +198.5k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 657.8k $85.3m | Reduced -213.4k |
| JANE STREET GROUP, LLC 0.05% of their portfolio | 596.3k $77.3m | Added +594.7k |
| CITADEL ADVISORS LLC 0.04% of their portfolio | 590.3k $76.5m | Added +516.5k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.03% of their portfolio | 585.6k $75.9m | Added +577.9k |
| Madison Asset Management, LLC 0.89% of their portfolio | 574.6k $74.5m | Reduced -38.6k |
| RENAISSANCE TECHNOLOGIES LLC 0.10% of their portfolio | 534.1k $69.2m | Added +229.0k |
| Black Creek Investment Management Inc. 3.87% of their portfolio | 532.0k $69.0m | Reduced -104.7k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio | 510.8k $66.2m | Reduced -261.3k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 505.0k $67.5m | Reduced -370.8k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 486.2k $63.0m | Added +2.8k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 448.4k $58.1m | Reduced -36.5k |
| Amundi 0.01% of their portfolio | 440.5k $57.1m | Reduced -39.8k |
| UBS Group AG 0.01% of their portfolio | 440.2k $57.1m | Reduced -583.1k |
| MILLENNIUM MANAGEMENT LLC 0.04% of their portfolio | 409.6k $53.1m | Added +98.2k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 395.5k $51.3m | Reduced -28.2k |
| VANGUARD FIDUCIARY TRUST CO 0.01% of their portfolio | 381.6k $49.5m | Reduced -22.0k |
| Diamond Hill Capital Management, LLC (Investment Advisor) 0.37% of their portfolio | 360.6k $46.7m | Added +173.9k |
| DISCIPLINED GROWTH INVESTORS INC /MN 0.76% of their portfolio | 344.7k $44.7m | Added +5.8k |
| FMR LLC 0.00% of their portfolio | 315.2k $40.9m | Reduced -184.0k |
| Pacer Advisors, Inc. 0.11% of their portfolio | 314.9k $40.8m | Added +29.3k |
| Balyasny Asset Management L.P. 0.07% of their portfolio | 308.3k $40.0m | Added +299.3k |
| CITIGROUP INC 0.02% of their portfolio | 302.7k $39.2m | Reduced -32.2k |
| ROYAL BANK OF CANADA 0.01% of their portfolio | 294.5k $38.2m | Added +16.6k |
| BARCLAYS PLC 0.01% of their portfolio | 287.2k $37.2m | Reduced -19.3k |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 285.8k $37.1m | Reduced -798.0k |
| Bollard Group LLC 1.00% of their portfolio | 253.9k $32.9m | Reduced -110.6k |
| HRT FINANCIAL LP 0.07% of their portfolio | 233.9k $30.3m | Added +163.2k |
| Connor, Clark & Lunn Investment Management Ltd. 0.06% of their portfolio | 233.7k $30.3m | Added +62.5k |
| JONES FINANCIAL COMPANIES LLLP 0.01% of their portfolio | 232.1k $31.3m | Added +11.4k |
| NATIXIS ADVISORS, LLC 0.03% of their portfolio | 219.1k $28.4m | Reduced -39.7k |
| Legal & General Group Plc 0.01% of their portfolio | 216.4k $28.0m | Reduced -374.3k |
| Nuveen, LLC 0.01% of their portfolio | 200.3k $26.0m | Reduced -231.5k |
| ENVESTNET ASSET MANAGEMENT INC 0.01% of their portfolio | 199.5k $25.9m | Added +16.8k |
| Gotham Asset Management, LLC 0.06% of their portfolio | 198.9k $25.8m | Reduced -115.2k |
| Trexquant Investment LP 0.16% of their portfolio | 198.3k $25.7m | New |
| Clarkston Capital Partners, LLC 2.16% of their portfolio | 197.6k $25.6m | Reduced -32.0k |
| WORLDQUANT MILLENNIUM ADVISORS LLC 0.08% of their portfolio | 190.2k $24.7m | Reduced -42.9k |
| Douglas Lane & Associates, LLC 0.33% of their portfolio | 186.7k $24.2m | Reduced -30.9k |
| Qube Research & Technologies Ltd 0.03% of their portfolio | 180.6k $23.4m | New |
| TUDOR INVESTMENT CORP ET AL 0.09% of their portfolio | 176.0k $22.8m | Added +106.3k |
| SHAPIRO CAPITAL MANAGEMENT LLC 1.36% of their portfolio | 173.1k $22.4m | Added +28.5k |
| HighTower Advisors, LLC 0.02% of their portfolio | 169.7k $22.0m | Added +32.2k |
| VANGUARD ASSET MANAGEMENT, Ltd 0.01% of their portfolio | 163.3k $21.2m | Added +43.7k |
| Quantum Capital Management, LLC / NJ 2.44% of their portfolio | 150.3k $19.5m | Added +51.8k |
| IEQ CAPITAL, LLC 0.09% of their portfolio | 144.8k $18.8m | Reduced -17.6k |
| Vanguard Global Advisers, LLC 0.01% of their portfolio | 144.2k $18.7m | Reduced -10.0k |
| Assenagon Asset Management S.A. 0.01% of their portfolio | 140.7k $18.2m | Added +100.7k |
| OSSIAM 0.24% of their portfolio | 137.8k $17.9m | New |
| DekaBank Deutsche Girozentrale 0.04% of their portfolio | 134.1k $21.1m | Unchanged |
| Swiss National Bank 0.01% of their portfolio | 132.2k $17.1m | Reduced -79.3k |
| RHUMBLINE ADVISERS 0.01% of their portfolio | 132.2k $17.1m | Reduced -26.9k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.02% of their portfolio | 130.9k $17.0m | Added +107.3k |
| Mariner, LLC 0.02% of their portfolio | 127.6k $16.5m | Added +38.4k |
| Artisan Partners Limited Partnership 0.03% of their portfolio | 127.0k $16.5m | Reduced -65.0k |
| Quantinno Capital Management LP 0.02% of their portfolio | 126.3k $16.4m | Reduced -13.3k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 125.8k $16.3m | Reduced -3.9k |
| BI Asset Management Fondsmaeglerselskab A/S 0.13% of their portfolio | 124.6k $16.2m | Added +97.1k |
| PRIMECAP MANAGEMENT CO/CA/ 0.01% of their portfolio | 117.4k $15.2m | Unchanged |
| California Public Employees Retirement System 0.01% of their portfolio | 113.0k $14.6m | Reduced -9.8k |
| Cerity Partners LLC 0.02% of their portfolio | 110.2k $14.3m | Added +48.7k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 102.7k $13.3m | Reduced -123 |
| PRUDENTIAL FINANCIAL INC 0.01% of their portfolio | 102.7k $13.3m | Added +58.5k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.02% of their portfolio | 100.2k $13.0m | Reduced -252.4k |
| Squarepoint Ops LLC 0.03% of their portfolio | 99.4k $12.9m | Added +97.5k |
| HSBC HOLDINGS PLC 0.01% of their portfolio | 98.6k $12.8m | Reduced -287.8k |
| Distillate Capital Partners LLC 0.65% of their portfolio | 97.0k $12.6m | Added +2.6k |
| BANK OF MONTREAL /CAN/ 0.00% of their portfolio | 96.2k $12.5m | Added +26.6k |
| Longaeva Partners L.P. 0.33% of their portfolio | 88.8k $11.5m | New |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 86.2k $11.2m | Reduced -14.9k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.01% of their portfolio | 85.9k $11.1m | Reduced -77.7k |
| PFA Pension, Forsikringsaktieselskab 0.03% of their portfolio | 85.9k $11.1m | Added +9.6k |
| Foyston, Gordon & Payne Inc 2.16% of their portfolio | 77.5k $10.1m | Added +6.8k |
| SG Americas Securities, LLC 0.01% of their portfolio | 77.0k $10.0m | Added +11.2k |
| Allianz Asset Management GmbH 0.01% of their portfolio | 76.9k $12.2m | Unchanged |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 76.0k $9.9m | Reduced -30.7k |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 74.4k $9.6m | Reduced -15.4k |
| Public Sector Pension Investment Board 0.03% of their portfolio | 74.1k $9.6m | Added +25.0k |
| Engineers Gate Manager LP 0.12% of their portfolio | 73.1k $9.5m | Added +70.0k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 71.5k $11.3m | Reduced -14.5k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 71.1k $9.2m | Added +34.9k |
| ISTHMUS PARTNERS, LLC 0.84% of their portfolio | 67.1k $8.7m | Reduced -2.7k |
| Impax Asset Management Group plc 0.05% of their portfolio | 63.7k $8.3m | Added +52.9k |