Latest Period
Q1 2026
Security Snapshot
GARTNER INC - Common Stock, $.0005 par value per share (IT) Institutional Ownership
CUSIP: 366651107
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
706
Shares (Excl. Options)
74,962,456
Price
$158.34
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- Security type / class
- Equity / Common Stock, $.0005 par value per share
- Symbol
- IT on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 74,962,456
- Total 13F value
- $11,867,277,864
- Portfolio coverage rank
- 0.01%
- Share change
- +2,759,234
- Value change
- -$26,905,980
- Number of holders
- 706
- Underlying class
- Common Stock
- Shares outstanding
- 66,946,944
- SEC-reported price per share
- $155.43
- Insider filing price
- $155.43
Latest holder snapshot
5 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- IT - GARTNER INC - Common Stock, $.0005 par value per share is tracked under CUSIP 366651107.
- 706 institutions reported positions in Q1 2026.
- 7 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 806 to 706 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $18,252,671,205 to $11,867,277,864.
Research use
- 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.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 706 institutions filings for Q1 2026.
Security key
366651107
Latest holder period
Q1 2026
13F holders
706
13D/G owners
7
CIK / CUSIP context first
Open Q1 2026 holders
IT full holder history
GARTNER INC SEC filings
GARTNER INC company facts
GARTNER INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 366651107:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
7
Security
IT
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BAMCO INC /NY/ | 11% | +36% | $1,116,437,970 | +$242,346,911 | 7,558,310 | +28% | Baron Capital Group, Inc. | 31 May 2026 |
| 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 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.3% | $587,814,132 | 3,712,354 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| AQR CAPITAL MANAGEMENT LLC | 5.1% | $550,143,300 | 3,567,263 | AQR Capital Management, LLC | 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 Mar 2026, 706 institutional investors reported holding 74,962,456 shares of GARTNER INC - Common Stock, $.0005 par value per share (IT). This represents 112% of the company’s total 66,946,944 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
84%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 10% | 6,884,501 | -1.5% | 0.02% | $1,090,092,046 |
| BAMCO INC /NY/ | 8.8% | 5,917,616 | +40% | 2.8% | $936,995,317 |
| Independent Franchise Partners LLP | 6.9% | 4,600,771 | +39% | 5.1% | $728,486,080 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.7% | 4,468,135 | 0% | 0.02% | $707,484,496 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.5% | 3,693,957 | 0% | 0.03% | $584,901,151 |
| AQR CAPITAL MANAGEMENT LLC | 5.3% | 3,567,263 | +89% | 0.26% | $564,840,405 |
| STATE STREET CORP | 4.9% | 3,266,779 | -4.2% | 0.02% | $517,261,787 |
| HARRIS ASSOCIATES L P | 4.7% | 3,135,774 | +225% | 0.66% | $496,518,455 |
| MORGAN STANLEY | 3.6% | 2,377,678 | -4.7% | 0.02% | $376,481,914 |
| GEODE CAPITAL MANAGEMENT, LLC | 3.3% | 2,212,980 | -0.27% | 0.02% | $349,244,290 |
| Capital International Investors | 3% | 2,022,839 | -49% | 0.08% | $320,296,327 |
| Invesco Ltd. | 3% | 2,021,101 | +46% | 0.05% | $320,021,134 |
| GOLDMAN SACHS GROUP INC | 2.7% | 1,774,623 | +39% | 0.04% | $280,993,854 |
| FEDERATED HERMES, INC. | 2.5% | 1,690,528 | +4113% | 0.44% | $267,678,205 |
| TWO SIGMA INVESTMENTS, LP | 1.7% | 1,127,145 | +269% | 0.15% | $178,472,139 |
| DEUTSCHE BANK AG\ | 1.6% | 1,083,848 | -8.3% | 0.06% | $171,616,492 |
| UBS Group AG | 1.5% | 1,023,293 | +17% | 0.03% | $162,028,213 |
| JPMORGAN CHASE & CO | 1.3% | 875,771 | +48% | 0.01% | $139,370,378 |
| NORTHERN TRUST CORP | 1.3% | 871,137 | -6.3% | 0.02% | $137,935,832 |
| BANK OF AMERICA CORP /DE/ | 1.2% | 773,771 | +60% | 0.01% | $122,518,900 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 1.2% | 772,054 | +23% | 0.03% | $122,247,030 |
| Black Creek Investment Management Inc. | 0.95% | 636,762 | +6329% | 5.4% | $100,824,895 |
| Madison Asset Management, LLC | 0.92% | 613,257 | -9.2% | 1.2% | $97,103,148 |
| Legal & General Group Plc | 0.88% | 590,678 | -2.3% | 0.02% | $93,527,951 |
| FMR LLC | 0.75% | 499,270 | +8.9% | 0% | $79,054,354 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 74,962,456 | $11,867,277,864 | -$26,905,980 | $158.34 | 706 |
| 2025 Q4 | 72,376,808 | $18,252,671,205 | +$59,114,396 | $252.28 | 806 |
| 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 |