Latest Period
Q4 2025
Security Snapshot
GARTNER INC - Common Stock (IT) Institutional Ownership
CUSIP: 366651107
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
801
Shares (Excl. Options)
72,329,118
Price
$252.28
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- Type / Class
- Equity / Common Stock
- Symbol
- IT on NYSE
- Underlying class
- Common Stock
- Shares outstanding
- 69,753,069
- Price per share
- $154.22
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 72,329,118
- Total reported value
- $18,240,640,184
- % of total 13F portfolios
- 0.01%
- Share change
- +280,502
- Value change
- +$62,352,915
- Number of holders
- 801
- Price from insider filings
- $154.22
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- IT - GARTNER INC - Common Stock is tracked under CUSIP 366651107.
- 801 institutions reported positions in Q4 2025.
- 6 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 801 to 553 between Q4 2025 and Q1 2026.
- Reported value moved from $18,240,640,184 to $7,032,692,251.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 801 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 366651107?
CUSIP 366651107 identifies IT - GARTNER INC - Common Stock in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 366651107:
Significant Owners of GARTNER INC - Common Stock (IT) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 9.5% | $2,945,536,104 | 7,286,961 | BlackRock, Inc. | 30 Jun 2025 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 7.3% | $817,526,996 | 5,163,111 | Vanguard Capital Management | 31 Mar 2026 | |||
| Independent Franchise Partners LLP | 6.5% | $709,530,904 | 4,600,771 | Independent Franchise Partners, LLP | 31 Mar 2026 | |||
| BAMCO INC /NY/ | 5.7% | +16% | $1,136,153,844 | +$144,710,986 | 4,322,113 | +15% | Baron Capital Group, Inc. | 30 Sep 2025 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.3% | $587,814,132 | 3,712,354 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| Capital International Investors | 2.9% | -47% | $311,962,231 | -$318,157,865 | 2,022,839 | -50% | Capital International Investors | 31 Mar 2026 |
As of 31 Dec 2025, 801 institutional investors reported holding 72,329,118 shares of GARTNER INC - Common Stock (IT). This represents 104% of the company’s total 69,753,069 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of GARTNER INC - Common Stock (IT) together control 74% 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. | 10% | 6,989,127 | -8.3% | 0.03% | $1,763,217,001 |
| BAMCO INC /NY/ | 6% | 4,212,957 | -2.5% | 2.9% | $1,062,844,792 |
| Capital International Investors | 5.7% | 4,004,093 | +28% | 0.16% | $1,010,152,582 |
| STATE STREET CORP | 4.9% | 3,409,761 | -2.9% | 0.03% | $860,214,505 |
| Independent Franchise Partners LLP | 4.7% | 3,308,566 | +3.5% | 5.3% | $834,685,030 |
| MORGAN STANLEY | 3.6% | 2,495,575 | +5.8% | 0.04% | $629,584,605 |
| GEODE CAPITAL MANAGEMENT, LLC | 3.2% | 2,218,890 | -0.87% | 0.03% | $559,082,373 |
| AQR CAPITAL MANAGEMENT LLC | 2.7% | 1,892,004 | +52% | 0.25% | $477,314,864 |
| Invesco Ltd. | 2% | 1,388,317 | +1.9% | 0.05% | $350,244,613 |
| GOLDMAN SACHS GROUP INC | 1.8% | 1,274,822 | +36% | 0.05% | $321,612,098 |
| Sustainable Growth Advisers, LP | 1.8% | 1,243,148 | -15% | 2.2% | $313,621,378 |
| NORGES BANK | 1.7% | 1,187,473 | 0.03% | $299,575,688 | |
| DEUTSCHE BANK AG\ | 1.7% | 1,181,830 | +12% | 0.1% | $298,152,071 |
| HARRIS ASSOCIATES L P | 1.4% | 963,984 | 0.31% | $243,193,884 | |
| NORTHERN TRUST CORP | 1.3% | 929,860 | -4.5% | 0.03% | $234,585,080 |
| UBS Group AG | 1.3% | 875,457 | +0.75% | 0.04% | $220,860,292 |
| BESSEMER GROUP INC | 1.1% | 780,350 | -14% | 0.3% | $196,866,000 |
| Amundi | 0.97% | 676,928 | +29% | 0.05% | $170,775,396 |
| Madison Asset Management, LLC | 0.97% | 675,398 | -5.6% | 2% | $170,389,307 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.9% | 626,767 | -4.9% | 0.03% | $158,120,778 |
| Legal & General Group Plc | 0.87% | 604,806 | -2.9% | 0.03% | $152,580,461 |
| DIMENSIONAL FUND ADVISORS LP | 0.86% | 598,872 | -6.6% | 0.03% | $151,092,640 |
| MILLENNIUM MANAGEMENT LLC | 0.85% | 595,567 | +5982% | 0.11% | $150,249,643 |
| JPMORGAN CHASE & CO | 0.85% | 593,726 | -35% | 0.01% | $149,785,415 |
Institutional Holders of GARTNER INC - Common Stock (IT) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 44,417,606 | $7,032,692,251 | -$695,778,131 | $158.34 | 553 |
| 2025 Q4 | 72,329,118 | $18,240,640,184 | +$62,352,915 | $252.28 | 801 |
| 2025 Q3 | 72,029,528 | $18,923,641,516 | -$895,614,309 | $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 |