FUN: Six Flags Entertainment Corporation/NEW insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-08-14 | 13G amendment | Darlington Partners Capital Management, LP | 7.50% | SEC | |
| 2026-07-30 | 13G amendment | BlackRock, Inc. | 14.40% | SEC |
Institutional ownership (Q2 2026)
312 institutions reported holding $2.24B of Six Flags Entertainment Corporation/NEW on Form 13F (294 the quarter before). 54 opened a new position and 33 sold out. Shares held by institutions: -7%.
| Largest holders | Shares | Value |
|---|---|---|
| BlackRock, Inc. | 15,918,184 | $339.06M |
| DARLINGTON PARTNERS CAPITAL MANAGEMENT, LP | 7,700,000 | $164.01M |
| MORGAN STANLEY | 6,060,863 | $129.10M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5,429,816 | $115.66M |
| Sachem Head Capital Management LP | 5,030,000 | $107.14M |
| DENDUR CAPITAL LP | 4,953,500 | $105.51M |
| H PARTNERS MANAGEMENT, LLC | 4,900,000 | $104.37M |
| VANGUARD CAPITAL MANAGEMENT LLC | 4,267,900 | $90.91M |
| JANA Partners Management, LP | 4,116,099 | $87.67M |
| UBS Group AG | 3,882,175 | $82.69M |
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