Six Flags Entertainment Corporation
FUN- Exchange
- NYSE
- Industry
- Services-Amusement & Recreation Services
- SEC CIK
- 0001999001
In the last 90 days, Six Flags Entertainment Corporation insiders filed 3 open-market purchases and 0 sales; 314 institutions reported holding it in 13F filings for Q2 2026, worth $2.32B in total; no superinvestor holds it.
Key figures
- Market capClose on Nov 10, 2026
- $1.04B
- Insider buysLast 90 days, $15.1M in total
- 3
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +26 vs. previous quarter
- 314
- 13F valueReported value at the end of Q2 2026
- $2.32B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $3.10B
- +14.4% year over year
- Net income, FY2025
- -$1.60B
- No comparable prior period
- Free cash flow, FY2025
- -$152.2M
- −389.4% year over year
- Revenue, Q3 FY2026
- $1.17B
- −11.0% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Net loss for FY2025: $1.60B (51.6% of revenue).
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 27.8M
- Shares sold short
- Change
- +3.22M
- +13.1% vs. previous
- Days to cover
- 4.56
- At average daily volume
Superinvestors holding FUN, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding FUN at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Six Flags Entertainment Corporation insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 10, 2026 (view filing)5:43 PM ET | Nov 6-10 | 4 days | Jaffer RehanDirector | PPurchaseCommon Stock, par value $0.01 per share | +1.45M | $10.30 | +$14.9M | +29.6%6.35M after | 3 lots |
| Nov 10, 2026 (view filing)4:42 PM ET | Nov 6 | 4 days | Haddrill Richard MExecutive Chair | PPurchaseCommon Stock, par value $0.01 per share | +9.00K | $10.08 | +$90.7K | +3.9%239.1K after | |
| Nov 9, 2026 (view filing)4:32 PM ET | Nov 6 | 3 days | Bennett Christopher LawrenceChief Legal Officer | PPurchaseCommon Stock, par value $0.01 per share | +5.00K | $9.32 | +$46.6K | +10.7%51.7K after | |
| Aug 12, 2026 (view filing)4:43 PM ET | Aug 12 | Same day | Reilly John TPresident & CEO | PPurchaseCommon Stock, par value $0.01 per share | +15.7K | $15.80 | +$248.3K | +5.6%297.7K after | 10b5-1 |
| Jun 16, 2026 (view filing) | Jun 12-15 | 4 days | Jaffer RehanDirector | PPurchaseCommon Stock, par value $0.01 per share | +250.0K | $23.55 | +$5.89M | +5.4%4.90M after | 2 lots |
| May 26, 2026 (view filing) | May 21 | 5 days | Spiegel Marilyn GDirector | PPurchaseCommon Stock, par value $0.01 per share | +2.50K | $19.10 | +$47.8K | +19.7%15.2K after | |
| May 14, 2026 (view filing) | May 12 | 2 days | Haddrill Richard MExecutive Chair | PPurchaseCommon Stock, par value $0.01 per share | +10.0K | $19.08 | +$190.8K | +4.5%230.1K after | |
| May 14, 2026 (view filing) | May 12 | 2 days | Spiegel Marilyn GDirector | PPurchaseCommon Stock, par value $0.01 per share | +2.50K | $19.13 | +$47.8K | +24.6%12.7K after | |
| Aug 8, 2025 (view filing) | Aug 7 | 1 day | Hoffman Steven EDirector | PPurchaseCommon Stock, par value $0.01 per share | +10.1K | $24.67 | +$248.1K | +294.5%13.5K after | 2 lots |
| May 12, 2025 (view filing) | May 12 | Same day | Frymire Michelle MDirector | SSaleCommon Stock, par value $0.01 per share | −5.93K | $37.89 | −$224.6K | −45.3%7.16K after |
Top 10 13F holders, Q2 2026
See all 314 holdersThe largest institutional positions in Six Flags Entertainment Corporation at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15,918,184 | $339.1M | 0.01% | +756,360+5.0% | Added |
| Darlington Partners Capital Management, LP | 7,700,000 | $164.0M | 7.24% | −1,000,000−11.5% | Reduced |
| Morgan Stanley | 6,060,863 | $129.1M | 0.01% | +136,436+2.3% | Added |
| Vanguard Portfolio Management LLC | 5,429,816 | $115.7M | 0.01% | +288,971+5.6% | Added |
| Sachem Head Capital Management LP | 5,030,000 | $107.1M | 2.22% | 00.0% | Unchanged |
| Dendur Capital LP | 4,953,500 | $105.5M | 6.17% | 00.0% | Unchanged |
| H Partners Management, LLC | 4,900,000 | $104.4M | 54.51% | +250,000+5.4% | Added |
| Vanguard Capital Management LLC | 4,267,900 | $90.9M | 0.00% | +60,510+1.4% | Added |
| JANA Partners Management, LP | 4,116,099 | $87.7M | 4.61% | 00.0% | Unchanged |
| UBS Group AG | 3,882,175 | $82.7M | 0.01% | −5,232,503−57.4% | Reduced |
Holders of 5% or more of FUN
See all 4 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Six Flags Entertainment Corporation.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 14.40%14.7M shares | – | Jul 30, 20261 filing | Jul 30, 2026 | SEC |
| Darlington Partners Capital Management, LP | 13G/A | 7.50%7.70M shares | −1.00 ppfrom 8.50% | Mar 11, 20256 filings | Aug 14, 2026 | SEC |
| Morgan Stanley | 13G/A | 5.40%5.51M shares | −3.70 ppfrom 9.10% | Nov 7, 20253 filings | May 12, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 5.11%5.21M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
Politician trades
All politician trades in FUN2 members of Congress reported 3 trades in Six Flags Entertainment Corporation since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Sep 12, 2025 |  Lisa C. McClain House · MI | Sell | $1K-$15K |
| Aug 13, 2025 | Lisa C. McClain House · MI | Buy | $1K-$15K |
| Feb 14, 2022 |  Tommy Tuberville Senate · AL | Sell (full) | $15K-$50K |
House · MI · Sep 12, 2025
Sell$1K-$15K
House · MI · Aug 13, 2025
Buy$1K-$15K
Senate · AL · Feb 14, 2022
Sell (full)$15K-$50K