FUN Six Flags Entertainment Corporation
Consumer Discretionary, filed as SIX FLAGS ENTERTAINMENT CORP (COM), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab
In 2026 Q2 Glenview Capital Management and Davidson Kempner Capital Management trimmed Six Flags Entertainment.
Who owns this now
Largest portfolio weights among holders, up to 4.6% (Jana Partners Management). Not free-float ownership.
Who owns FUN
Sorted by value, long equity only, as of 2026 Q2.
| History | |||||
|---|---|---|---|---|---|
| Sachem Head Capital Management | Hold | 5,030,000 | $107M | History | |
| Jana Partners Management | Hold | 4,116,099 | $88M | History | |
| Glenview Capital Management | Reduce −9.2% | 2,017,821 | $43M | History | |
| Davidson Kempner Capital Management | Reduce −21.6% | 293,517 | $6.3M | History |
Insider trades
Open-market buys and sales by FUN's executives, directors and 10% owners in the last 12 months, from their Form 4s
- $6.4M bought by 4 insiders
- None no sales outside a trading plan
- None no planned (10b5-1) sales
-
John T Reilly CEOBuy$248K 15,713 shares at $15.80 +5.6% to stakeTraded Aug 12 Filed Aug 12
-
Rehan Jaffer DirectorBuy$5.9M 250,000 shares at $23.55 +5.4% to stakeTraded Jun 12–15 Filed Jun 16
-
Marilyn G Spiegel DirectorBuy$48K 2,500 shares at $19.10 +20% to stakeTraded May 21 Filed May 26
-
Richard M Haddrill ChairBuy$191K 10,000 shares at $19.08 +4.5% to stakeTraded May 12 Filed May 14
-
Marilyn G Spiegel DirectorBuy$48K 2,500 shares at $19.13 +25% to stakeTraded May 12 Filed May 14
Also filed in the last 12 months, not counted as buying or selling: 15 stock grants, 9 share withholdings for taxes, 2 sales back to the company, and 2 option exercises.
Congress
1 member of Congress traded FUN in the last three years: 1 buy and 1 sale. 1 member listed it in 2025 annual reports.
-
Lisa C. McClain
Sell
$1K–$15K
Aug 13, 2025
filed Sep 12, 2025
-
Lisa C. McClain
Buy
$1K–$15K
Jul 16, 2025
filed Aug 13, 2025
SEC filings
Recent issuer filings from EDGAR, 23 shown.
| Filed | Form | Detail | Links |
|---|---|---|---|
| SCHEDULE 13G/A | — | Filing Doc | |
| 8-K | 2.02,9.01 | Filing Doc | |
| 10-Q | Filing Doc | ||
| SCHEDULE 13G/A | — | Filing Doc | |
| 8-K | 5.02,7.01,9.01 | Filing Doc | |
| 8-K | 5.02 | Filing Doc | |
| 8-K | 5.07 | Filing Doc | |
| 8-K | 5.02,7.01,9.01 | Filing Doc | |
| 8-K | 1.01,5.02,9.01 | Filing Doc | |
| SCHEDULE 13G/A | — | Filing Doc | |
| SCHEDULE 13G/A | — | Filing Doc | |
| 8-K | 2.02,9.01 | Filing Doc | |
| 10-Q | Filing Doc | ||
| 8-K | 5.02,7.01,9.01 | Filing Doc | |
| SCHEDULE 13G | — | Filing Doc | |
| DEF 14A | Filing Doc | ||
| 8-K | 7.01,9.01 | Filing Doc | |
| 8-K | 7.01,8.01,9.01 | Filing Doc | |
| SCHEDULE 13G/A | — | Filing Doc | |
| 8-K | 5.02,7.01,9.01 | Filing Doc | |
| 8-K | 5.02 | Filing Doc | |
| 8-K | 1.01,7.01,9.01 | Filing Doc | |
| 10-K | ANNUAL REPORT ON FORM 10-K | Filing Doc |
No filings match this filter.
Financials
US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.
Balance sheet
Ownership over time
13Fs that reported it each quarter. Click a bar for that quarter’s holders.