Who owns GARTNER INC?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of IT from SEC Form 13F filings across 648 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 648 institutions disclosed 74.7M shares of GARTNER INC worth $9.69B — about 112.4% of shares outstanding; the largest disclosed holder is BAMCO INC /NY/. Source: SEC Form 13F filings, parsed by EvidInvest.
648
13F holders
$9.69B
value, 2026 filers
112.4%
of shares outstanding (74.7M sh)
97
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of IT's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BAMCO INC /NY/ | 7.6M | $985.2M | 1.5% | 11.4% | +28.4% |
| 2 | Independent Franchise Partners LLP | 5.6M | $723.7M | 4.7% | 8.4% | +21.3% |
| 3 | BlackRock, Inc. | 5.2M | $676.2M | 0.0% | 7.8% | -24.2% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 4.3M | $553.0M | 0.0% | 6.4% | -4.5% |
| 5 | AQR CAPITAL MANAGEMENT LLC | 4.2M | $541.2M | 0.2% | 6.3% | +17.0% |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.5M | $456.4M | 0.0% | 5.3% | -4.7% |
| 7 | HARRIS ASSOCIATES L P | 2.8M | $369.0M | 0.5% | 4.3% | -9.2% |
| 8 | STATE STREET CORP | 2.8M | $364.1M | 0.0% | 4.2% | -14.0% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 2.6M | $337.0M | 0.0% | 3.9% | +17.6% |
| 10 | TWO SIGMA INVESTMENTS, LP | 2.1M | $276.1M | 0.2% | 3.2% | +88.9% |
| 11 | Invesco Ltd. | 2.1M | $267.2M | 0.0% | 3.1% | +2.0% |
| 12 | FEDERATED HERMES, INC. | 2.0M | $265.0M | 0.4% | 3.1% | +20.9% |
| 13 | MORGAN STANLEY | 1.9M | $242.1M | 0.0% | 2.8% | -21.5% |
| 14 | GOLDMAN SACHS GROUP INC | 1.8M | $228.0M | 0.0% | 2.6% | -0.9% |
| 15 | BANK OF AMERICA CORP /DE/ | 907,735 | $117.7M | 0.0% | 1.4% | +17.3% |
| 16 | NORGES BANKNEW | 854,653 | $110.8M | 0.0% | 1.3% | new |
| 17 | D. E. Shaw & Co., Inc. | 804,821 | $104.3M | 0.0% | 1.2% | +227.4% |
| 18 | BNP PARIBAS FINANCIAL MARKETS | 673,933 | $87.4M | 0.0% | 1% | +41.8% |
| 19 | NORTHERN TRUST CORP | 657,780 | $85.3M | 0.0% | 1% | -24.5% |
| 20 | JANE STREET GROUP, LLC | 596,327 | $77.3M | 0.0% | 0.9% | +36328.0% |
| 21 | CITADEL ADVISORS LLC | 590,275 | $76.5M | 0.0% | 0.9% | +700.2% |
| 22 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 585,573 | $75.9M | 0.0% | 0.9% | +7564.6% |
| 23 | Madison Asset Management, LLC | 574,609 | $74.5M | 0.9% | 0.9% | -6.3% |
| 24 | RENAISSANCE TECHNOLOGIES LLC | 534,069 | $69.2M | 0.1% | 0.8% | +75.1% |
| 25 | Black Creek Investment Management Inc. | 532,034 | $69.0M | 3.9% | 0.8% | -16.4% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.