Six Flags Entertainment Corporation
Six Flags Entertainment Corporation (FUN) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · FUN · as of Mar 31, 2025
Ownership Breakdown
339
Institutional Holders
▼ 22 vs Q4
$3.50B
Total Inst. Value
▼ $915.75M vs Q4
102.20M
Shares Outstanding
freeFloat 97.46%
98.21M
13F Shares Held
▲ 6.47M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
FUN largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. services-miscellaneous amusement & recreation | 13.72M | 13.70% | 13.70% | $489.24B | May 2, 2025 | ▼ 478.7K |
VANGUARD GROUP INC services-miscellaneous amusement & recreation | 9.87M | 9.86% | 9.86% | $352.01B | May 9, 2025 | ▼ 194.8K |
DARLINGTON PARTNERS CAPITAL MANAGEMENT, LP services-miscellaneous amusement & recreation | 7.24M | 7.23% | 7.23% | $258.25B | May 15, 2025 | ▲ 5.99M |
H PARTNERS MANAGEMENT, LLC services-miscellaneous amusement & recreation | 5.61M | 5.61% | 5.61% | $200.18B | May 15, 2025 | ▼ 700.0K |
CONTOUR ASSET MANAGEMENT LLC services-miscellaneous amusement & recreation | 3.87M | 3.86% | 3.86% | $137.97B | May 15, 2025 | ▼ 12.8K |
59 NORTH CAPITAL MANAGEMENT, LP services-miscellaneous amusement & recreation | 3.80M | 3.80% | 3.80% | $135.61B | May 15, 2025 | ▲ 381.7K |
STATE STREET CORP services-miscellaneous amusement & recreation | 3.44M | 3.43% | 3.43% | $122.62B | May 15, 2025 | ▼ 64.5K |
DENDUR CAPITAL LP services-miscellaneous amusement & recreation | 3.14M | 3.14% | 3.14% | $112.04B | May 15, 2025 | ▲ 379.5K |
BANK OF AMERICA CORP /DE/ services-miscellaneous amusement & recreation | 2.96M | 2.96% | 2.96% | $105.66B | May 15, 2025 | ▲ 2.72M |
JERICHO CAPITAL ASSET MANAGEMENT L.P. services-miscellaneous amusement & recreation | 2.62M | 2.61% | 2.61% | $93.33B | May 15, 2025 | ▲ 145.4K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
26
Increased
+16.06M shares2
New Positions
first time holders19
Decreased
−5.14M shares0
Sold Out
fully exitedNet shares change (top 50)
+10.92M
+16.06M / −5.14M
Net new holders
+9
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
FUN insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
4
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Spiegel Marilyn G director | May 21, 2026 | Purchase | 2,500 | $19.10 | $47.8K | 15.2K | Form 4 ↗ |
Spiegel Marilyn G director | May 12, 2026 | Purchase | 2,500 | $19.13 | $47.8K | 12.7K | Form 4 ↗ |
HADDRILL RICHARD M Executive Chair | May 12, 2026 | Purchase | 10,000 | $19.08 | $190.8K | 230.1K | Form 4 ↗ |
HADDRILL RICHARD M Executive Chair | Apr 16, 2026 | Award | 217,797 | — | — | 220.1K | Form 4 ↗ |
Witherow Brian C Chief Financial Officer | Feb 23, 2026 | Tax Withhold | 16,469 | $18.24 | $300.4K | 297.8K | Form 4 ↗ |
Tastepe Tayfun Chief Digital & Tech Officer | Feb 23, 2026 | Tax Withhold | 3,639 | $18.24 | $66.4K | 29.7K | Form 4 ↗ |
Hoffman David R. Chief Accounting Officer | Feb 23, 2026 | Tax Withhold | 4,788 | $18.24 | $87.3K | 86.2K | Form 4 ↗ |
Nurse Brian Chief Legal Officer | Feb 23, 2026 | Tax Withhold | 11,246 | $18.24 | $205.1K | 79.1K | Form 4 ↗ |
FISHER TIM Chief Operating Officer | Feb 23, 2026 | Tax Withhold | 19,092 | $18.24 | $348.2K | 222.2K | Form 4 ↗ |
Dieckmann Christian Chief Commercial Officer | Feb 23, 2026 | Tax Withhold | 3,887 | $18.24 | $70.9K | 37.4K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Six Flags Entertainment Corporation (FUN) is primarily owned by institutional investors, who hold approximately 96.1% of total shares outstanding. Company insiders own approximately 2.54%, while retail and public investors account for the remaining 1.36%.
The largest institutional shareholder of Six Flags Entertainment Corporation is BLACKROCK, INC., holding approximately 13.72 million shares — equal to 13.70% of outstanding shares — as of March 31, 2025.
A total of 339 institutional investors currently hold FUN stock, with a combined institutional value of approximately $3.50 billion as of the most recent 13F filing period.
Frequently asked questions
FUN ownershipSix Flags Entertainment Corporation (FUN) is primarily owned by institutional investors, who hold approximately 96.1% of shares. The largest shareholder is BLACKROCK, INC. with a 13.70% stake. Company insiders hold 2.54%. Data sourced from SEC Form 13F as of March 31, 2025.