Security Snapshot

GARTNER INC - Common Stock (IT) Institutional Ownership

CUSIP: 366651107

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

799

Shares (Excl. Options)

72,318,600

Price

$252.28

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Type / Class
Equity / Common Stock
Symbol
IT on NYSE
Underlying class
Common Stock
Shares outstanding
71,681,614
Price per share
$158.34
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
72,318,600
Total reported value
$18,237,986,702
% of total 13F portfolios
0.01%
Share change
+282,307
Value change
+$62,808,280
Number of holders
799
Price from insider filings
$158.34
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

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Quick Takeaways

  • IT - GARTNER INC - Common Stock is tracked under CUSIP 366651107.
  • 799 institutions reported positions in Q4 2025.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 799 to 54 between Q4 2025 and Q1 2026.
  • Reported value moved from $18,237,986,702 to $33,183,777.

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

Latest holder context comes from 799 institutions filings for Q4 2025.

Open SEC Evidence

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.

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
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, 799 institutional investors reported holding 72,318,600 shares of GARTNER INC - Common Stock (IT). This represents 101% of the company’s total 71,681,614 outstanding shares.

Top 25 Institutional Shareholders

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% 1,274,822 +36% 0.05% $321,612,098
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

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 213,181 $33,183,777 +$3,832,054 $158.34 54
2025 Q4 72,318,600 $18,237,986,702 +$62,808,280 $252.28 799
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

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