Six Flags Entertainment Corporation (FUN) ownership: Top institutional holder: BlackRock, Inc. ($269.12M). Insider activity: Net Seller (8 buys, 12 sells). 3 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 15161824.00 | $269.12M | 2026-03-31 |
| UBS Group AG | 9114678.00 | $161.79M | 2026-03-31 |
| DARLINGTON PARTNERS CAPITAL MANAGEMENT, LP | 8700000.00 | $154.43M | 2026-03-31 |
| VANGUARD GROUP INC | 9548762.00 | $146.48M | 2025-12-31 |
| MORGAN STANLEY | 5924427.00 | $105.16M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5140845.00 | $91.25M | 2026-03-31 |
| Sachem Head Capital Management LP | 5030000.00 | $89.28M | 2026-03-31 |
| DENDUR CAPITAL LP | 4953500.00 | $87.92M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-06-12 | |
| Buy | null | 2026-06-12 | |
| Sell | null | 2026-05-21 | |
| Buy | null | 2026-05-21 | |
| Sell | null | 2026-05-12 | |
| Sell | null | 2026-05-12 | |
| Buy | null | 2026-05-12 | |
| Buy | null | 2026-05-12 |
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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.