| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | 12% | $3,869,148,163 | 9,571,887 | The Vanguard Group | 30 Jun 2025 | |||
| BlackRock, Inc. | 9.5% | $2,945,536,104 | 7,286,961 | BlackRock, Inc. | 30 Jun 2025 | |||
| BAMCO INC /NY/ | 5.7% | +16% | $1,136,153,844 | +$144,710,986 | 4,322,113 | +15% | Baron Capital Group, Inc. | 30 Sep 2025 |
| Capital International Investors | 5.7% | $990,001,940 | 4,085,852 | Capital International Investors | 31 Dec 2025 |
As of 31 Dec 2025, 789 institutional investors reported holding 71,554,602 shares of GARTNER INC - Common Stock (IT). This represents 100% of the company’s total 71,681,614 outstanding shares.
The largest institutional shareholders of GARTNER INC - Common Stock (IT) together control 72% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 13% | 9,053,827 | -10% | 0.03% | $2,284,099,476 |
| BlackRock, Inc. | 9.8% | 6,989,127 | -8.3% | 0.03% | $1,763,217,001 |
| BAMCO INC /NY/ | 5.9% | 4,212,957 | -2.5% | 2.9% | $1,062,844,792 |
| Capital International Investors | 5.6% | 4,004,093 | +28% | 0.16% | $1,010,152,582 |
| STATE STREET CORP | 4.8% | 3,409,761 | -2.9% | 0.03% | $860,214,505 |
| Independent Franchise Partners LLP | 4.6% | 3,308,566 | +3.5% | 5.3% | $834,685,030 |
| MORGAN STANLEY | 3.5% | 2,495,575 | +5.8% | 0.04% | $629,584,605 |
| GEODE CAPITAL MANAGEMENT, LLC | 3.1% | 2,218,890 | -0.87% | 0.03% | $559,082,373 |
| AQR CAPITAL MANAGEMENT LLC | 2.6% | 1,892,004 | +52% | 0.25% | $477,314,864 |
| Invesco Ltd. | 1.9% | 1,388,317 | +1.9% | 0.05% | $350,244,613 |
| GOLDMAN SACHS GROUP INC | 1.8% | 1,274,648 | +36% | 0.05% | $321,568,201 |
| Sustainable Growth Advisers, LP | 1.7% | 1,243,148 | -15% | 2.2% | $313,621,378 |
| NORGES BANK | 1.7% | 1,187,473 | 0.03% | $299,575,688 | |
| DEUTSCHE BANK AG\ | 1.6% | 1,181,830 | +12% | 0.1% | $298,152,071 |
| HARRIS ASSOCIATES L P | 1.3% | 963,984 | 0.31% | $243,193,884 | |
| NORTHERN TRUST CORP | 1.3% | 929,860 | -4.5% | 0.03% | $234,585,080 |
| UBS Group AG | 1.2% | 875,457 | +0.75% | 0.04% | $220,860,292 |
| BESSEMER GROUP INC | 1.1% | 780,350 | -14% | 0.3% | $196,866,000 |
| Amundi | 0.94% | 676,928 | +29% | 0.05% | $170,775,396 |
| Madison Asset Management, LLC | 0.94% | 675,398 | -5.6% | 2% | $170,389,307 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.87% | 626,767 | -4.9% | 0.03% | $158,120,778 |
| Legal & General Group Plc | 0.84% | 604,806 | -2.9% | 0.03% | $152,580,461 |
| DIMENSIONAL FUND ADVISORS LP | 0.84% | 598,872 | -6.6% | 0.03% | $151,092,640 |
| MILLENNIUM MANAGEMENT LLC | 0.83% | 595,567 | +5982% | 0.11% | $150,249,643 |
| JPMORGAN CHASE & CO | 0.83% | 593,726 | -35% | 0.01% | $149,785,415 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 71,554,602 | $18,044,146,535 | +$3,774,077 | $252.28 | 789 |
| 2025 Q3 | 72,030,088 | $18,923,788,612 | -$894,796,254 | $262.87 | 783 |
| 2025 Q2 | 73,604,318 | $29,737,816,262 | +$572,040,207 | $404.22 | 889 |
| 2025 Q1 | 72,394,517 | $30,365,452,822 | +$50,218,704 | $419.74 | 912 |
| 2024 Q4 | 72,461,430 | $35,110,242,595 | +$427,321,194 | $484.47 | 941 |
| 2024 Q3 | 70,477,974 | $35,737,669,283 | -$463,623,769 | $506.76 | 899 |
| 2024 Q2 | 71,287,413 | $32,000,812,004 | +$109,611,128 | $449.06 | 867 |
| 2024 Q1 | 71,095,505 | $33,877,266,426 | -$112,111,936 | $476.67 | 869 |
| 2023 Q4 | 71,391,079 | $32,196,918,627 | -$188,024,044 | $451.11 | 856 |
| 2023 Q3 | 71,927,455 | $24,720,132,934 | +$25,207,090 | $343.61 | 783 |
| 2023 Q2 | 71,772,538 | $25,121,496,739 | -$440,599,203 | $350.31 | 769 |
| 2023 Q1 | 72,822,899 | $23,708,558,440 | +$15,584,130 | $325.77 | 753 |
| 2022 Q4 | 73,389,754 | $24,671,003,918 | +$240,769,385 | $336.14 | 761 |
| 2022 Q3 | 74,378,210 | $20,587,931,096 | +$131,145,007 | $276.69 | 683 |
| 2022 Q2 | 73,011,771 | $17,653,989,304 | -$231,924,290 | $241.83 | 676 |
| 2022 Q1 | 73,913,474 | $21,991,410,033 | -$349,811,704 | $297.46 | 694 |
| 2021 Q4 | 75,045,250 | $25,071,598,036 | -$322,678,001 | $334.32 | 677 |
| 2021 Q3 | 75,828,518 | $23,047,037,710 | -$298,698,306 | $303.88 | 638 |
| 2021 Q2 | 77,102,872 | $18,671,810,115 | -$477,989,016 | $242.20 | 600 |
| 2021 Q1 | 80,337,595 | $14,658,316,923 | -$364,140,295 | $182.55 | 564 |
| 2020 Q4 | 82,206,137 | $13,162,847,829 | -$151,800,895 | $160.19 | 536 |
| 2020 Q3 | 83,122,241 | $10,382,853,018 | -$1,613,178 | $124.95 | 487 |
| 2020 Q2 | 83,018,334 | $10,069,416,545 | -$126,019,897 | $121.33 | 463 |
| 2020 Q1 | 84,062,205 | $8,371,777,886 | -$219,500,025 | $99.57 | 444 |
| 2019 Q4 | 84,931,820 | $13,085,416,958 | -$390,051,319 | $154.10 | 491 |
| 2019 Q3 | 87,603,985 | $12,524,708,541 | +$37,183,564 | $142.99 | 433 |
| 2019 Q2 | 87,261,327 | $14,040,081,062 | -$374,848,542 | $160.94 | 439 |
| 2019 Q1 | 89,959,656 | $13,644,770,803 | +$187,367,262 | $151.68 | 427 |
| 2018 Q4 | 88,878,003 | $11,361,220,837 | -$682,223,956 | $127.84 | 448 |
| 2018 Q3 | 94,050,300 | $14,904,783,873 | -$271,555,958 | $158.50 | 423 |
| 2018 Q2 | 96,142,003 | $12,776,379,399 | +$384,820,981 | $132.90 | 433 |
| 2018 Q1 | 93,326,919 | $10,976,469,979 | +$661,044,941 | $117.62 | 426 |
| 2017 Q4 | 87,940,335 | $10,829,201,614 | +$8,067,319 | $123.15 | 422 |
| 2017 Q3 | 87,432,245 | $10,875,457,888 | +$518,486,119 | $124.41 | 404 |
| 2017 Q2 | 84,105,467 | $10,385,709,356 | +$1,121,566,542 | $123.51 | 408 |
| 2017 Q1 | 78,720,939 | $8,502,003,852 | +$1,266,720,359 | $107.99 | 392 |
| 2016 Q4 | 75,351,642 | $7,615,756,906 | +$39,293,611 | $101.07 | 392 |
| 2016 Q3 | 74,961,348 | $6,627,676,510 | -$56,697,513 | $88.45 | 368 |
| 2016 Q2 | 75,331,114 | $7,337,563,334 | -$35,608,413 | $97.41 | 370 |
| 2016 Q1 | 76,187,468 | $6,803,955,307 | -$62,550,584 | $89.35 | 329 |
| 2015 Q4 | 76,872,785 | $6,972,586,830 | +$44,450,189 | $90.70 | 323 |
| 2015 Q3 | 76,432,120 | $6,414,801,500 | -$88,644,919 | $83.93 | 320 |
| 2015 Q2 | 76,998,457 | $6,604,743,575 | -$170,239,334 | $85.78 | 312 |
| 2015 Q1 | 79,017,090 | $6,623,293,717 | -$192,867,343 | $83.85 | 287 |
| 2014 Q4 | 82,015,959 | $6,906,653,913 | -$35,752,492 | $84.21 | 302 |
| 2014 Q3 | 82,541,022 | $6,064,274,476 | +$67,634,586 | $73.47 | 262 |
| 2014 Q2 | 81,655,603 | $5,758,247,144 | -$341,444,507 | $70.52 | 268 |
| 2014 Q1 | 86,377,901 | $5,997,222,985 | -$55,729,683 | $69.44 | 259 |