Gartner, Inc. (IT) ownership: Top institutional holder: VANGUARD GROUP INC ($2.28B). Insider activity: Net Seller (0 buys, 20 sells). 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 9053827.00 | $2.28B | 2025-12-31 |
| BlackRock, Inc. | 6884501.00 | $1.09B | 2026-03-31 |
| BAMCO INC /NY/ | 5917616.00 | $937.00M | 2026-03-31 |
| Independent Franchise Partners LLP | 4600771.00 | $728.49M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4468135.00 | $707.48M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3693957.00 | $584.90M | 2026-03-31 |
| AQR CAPITAL MANAGEMENT LLC | 3567263.00 | $564.84M | 2026-03-31 |
| STATE STREET CORP | 3266779.00 | $517.26M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-05-29 | |
| Sell | null | 2026-05-29 | |
| Sell | null | 2026-05-29 | |
| Sell | null | 2026-05-29 | |
| Sell | null | 2026-05-29 | |
| Sell | null | 2026-05-29 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.