Six Flags Entertainment Corporation
Ownership
Ownership Structure
Who owns Six Flags Entertainment Corporation (FUN)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 84.7% of the shares are freely tradable; institutional investors hold 113.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 14.82 | 15,161,824 | -1.4 | 03/31/2026 |
| UBS Group AG | 8.91 | 9,114,678 | +72.6 | 03/31/2026 |
| Darlington Partners Capital Management, LP | 7.53 | 7,700,000 | -11.5 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 5.79 | 5,924,427 | -37.5 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.02 | 5,140,845 | +0.0 | 03/31/2026 |
| Sachem Head Capital Management LP | 4.92 | 5,030,000 | +0.0 | 06/30/2026 |
| DENDUR CAPITAL LP | 4.84 | 4,953,500 | +0.0 | 06/30/2026 |
| H PARTNERS MANAGEMENT, LLC | 4.79 | 4,900,000 | +5.4 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.11 | 4,207,390 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.09 | 6,230,101 | +0.0 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Reilly John T | President & CEO | 297,736 | 3,632,379 $ | Aug 12, 2026 | direct |
| Hoffman David R. | Chief Accounting Officer | 115,227 | 1,405,769 $ | Jul 29, 2026 | direct |
| Walia Ashok | Chief Financial Officer | 107,333 | 1,309,463 $ | Jul 29, 2026 | direct |
| Bennett Christopher Lawrence | Chief Legal Officer | 46,697 | 569,703 $ | Jul 29, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 12, 2026 | Reilly John T | President & CEO | Buy | 15,713 | 15.80 | 248,265 |
| Jul 29, 2026 | Walia Ashok | Chief Financial Officer | Other | 66,738 | 0.00 | – |
| Jul 29, 2026 | Hoffman David R. | Chief Accounting Officer | Other | 16,017 | 0.00 | – |
| Jul 29, 2026 | Bennett Christopher Lawrence | Chief Legal Officer | Other | 9,343 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.