Six Flags Entertainment Corporation/NEW (FUN) shareholders
Close on Nov 12, 2026Market cap $1.14BP/E –Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| BlackRock, Inc. | 14,734,649 | 14.40% | 13G (passive) amendment | Jun 30, 2026 |
| Scott W. Clark Joint filing with Darlington Partners Capital Management, LP (8.60%), Darlington Partners GP, LLC (8.60%) and 2 more | 8,700,000 | 8.60% | 13G (passive) amendment | Jun 30, 2025 |
| Darlington Partners GP, LLC Joint filing with Darlington Partners Capital Management, LP (8.50%), Darlington Partners, L.P. (8.50%) and 2 more | 8,700,000 | 8.50% | 13G (passive) amendment | Mar 31, 2026 |
| Darlington Partners, L.P. Joint filing with Darlington Partners Capital Management, LP (7.50%), Darlington Partners GP, LLC (7.50%) and 2 more | 7,700,000 | 7.50% | 13G (passive) amendment | Jun 30, 2026 |
| Darlington Partners Capital Management, LP Joint filing with Darlington Partners GP, LLC (7.20%), Darlington Partners, L.P. (7.20%) and 2 more | 7,240,000 | 7.20% | 13G (passive) amendment | Mar 31, 2025 |
| Morgan Stanley Joint filing with Morgan Stanley Capital Services LLC (5.30%) | 5,514,103 | 5.40% | 13G (passive) amendment | Mar 31, 2026 |
| Vanguard Portfolio Management | 5,214,914 | 5.11% | 13G (passive) | Mar 31, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of FUN | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15,918,184 | 15.56% | $339.06M | +756,360 | 0.01% |
| Darlington Partners Capital Management, LP | 7,700,000 | 7.53% | $164.01M | −1,000,000 | 7.24% |
| Morgan Stanley | 6,060,863 | 5.92% | $129.10M | +136,436 | 0.01% |
| Vanguard Portfolio Management LLC | 5,429,816 | 5.31% | $115.66M | +288,971 | 0.01% |
| Sachem Head Capital Management LP | 5,030,000 | 4.92% | $107.14M | – | 2.22% |
| Dendur Capital LP | 4,953,500 | 4.84% | $105.51M | – | 5.54% |
| H Partners Management, LLC | 4,900,000 | 4.79% | $104.37M | +250,000 | 54.51% |
| Vanguard Capital Management LLC | 4,267,900 | 4.17% | $90.91M | +60,510 | 0.00% |
| JANA Partners Management, LP | 4,116,099 | 4.02% | $87.67M | – | 4.61% |
| UBS Group AG | 3,882,175 | 3.79% | $82.69M | −5,232,503 | 0.01% |
| State Street Corp | 3,876,237 | 3.79% | $82.56M | +193,883 | 0.00% |
| Healthcare Of Ontario Pension Plan Trust Fund | 2,613,500 | 2.55% | $55.67M | +1,593,800 | 0.08% |
| Geode Capital Management, LLC | 2,501,738 | 2.45% | $53.30M | +142,153 | 0.00% |
| Goldman Sachs Group Inc | 2,340,091 | 2.29% | $49.84M | −640,144 | 0.00% |
| Marshall Wace, Llp | 2,023,594 | 1.98% | $43.10M | +501,302 | 0.03% |
| Glenview Capital Management, LLC | 2,017,821 | 1.97% | $42.98M | −205,328 | 0.78% |
| Ameriprise Financial Inc | 1,646,528 | 1.61% | $35.07M | −1,754,795 | 0.01% |
| Charles Schwab Investment Management Inc | 1,561,747 | 1.53% | $33.27M | +83,093 | 0.00% |
| Norges Bank | 1,185,213 | 1.16% | $25.25M | New | 0.00% |
| Northern Trust Corp | 1,134,252 | 1.11% | $24.16M | +109,497 | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 312 | 106M | 100.0% | 58 / 95 | 80 / 33 | 9M | 17M |
| Q1 2026 | 294 | 114M | 100.0% | 51 / 76 | 84 / 54 | 31M | 16M |
| Q4 2025 | 304 | 110M | 100.0% | 65 / 80 | 94 / 63 | 25M | 27M |
| Q3 2025 | 306 | 112M | 100.0% | 53 / 87 | 94 / 70 | 31M | 21M |
| Q2 2025 | 328 | 103M | 100.0% | 52 / 110 | 95 / 52 | 23M | 19M |
| Q1 2025 | 328 | 98M | 96.0% | 44 / 94 | 114 / 64 | 19M | 12M |
| Q4 2024 | 352 | 92M | 89.6% | 75 / 92 | 108 / 45 | 17M | 21M |
| Q3 2024 | 326 | 95M | 93.2% | 315 / 3 | 4 / 0 | 95M | 0M |
| Q2 2024 | 12 | 0M | 0.1% | 12 / 0 | 0 / 0 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
205 funds held FUN in Q2 2026, 75% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of FUN | Value | % of fund | As of |
|---|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6,158,626 | 6.02% | $131.18M | 0.12% | Jun 30, 2026 |
| Vanguard Total Stock Market Index Fund | 2,920,643 | 2.85% | $62.21M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 2,522,085 | 2.46% | $53.72M | 0.06% | Jun 30, 2026 |
| Vanguard Small-Cap Index Fund | 2,113,416 | 2.07% | $45.02M | 0.02% | Jun 30, 2026 |
| Vanguard Small-Cap Growth Index Fund | 1,219,747 | 1.19% | $25.98M | 0.06% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 1,173,953 | 1.15% | $25.01M | 0.03% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 1,059,533 | 1.04% | $18.36M | 0.05% | Jul 31, 2026 |
| State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF | 940,345 | 0.92% | $20.03M | 0.12% | Jun 30, 2026 |
| iShares Russell 2000 Growth ETF | 895,247 | 0.87% | $19.07M | 0.12% | Jun 30, 2026 |
| Vanguard Tax-Managed Small-Cap Fund | 563,858 | 0.55% | $12.01M | 0.10% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 526,211 | 0.51% | $11.06M | 0.03% | May 31, 2026 |
| Vanguard Russell 2000 Index Fund | 493,146 | 0.48% | $10.36M | 0.06% | May 31, 2026 |
| Schwab U.S. Small-Cap ETF | 487,617 | 0.48% | $10.24M | 0.04% | May 31, 2026 |
| iShares S&P Small-Cap 600 Value ETF | 483,537 | 0.47% | $10.30M | 0.13% | Jun 30, 2026 |
| iShares S&P Small-Cap 600 Growth ETF | 411,437 | 0.40% | $8.76M | 0.11% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Richard M. Haddrill | Executive Chair, Director | 239,117 | 0.23% | Nov 10, 2026 |
| John T. Reilly | President & CEO, Director | 297,736 | 0.29% | Aug 12, 2026 |
| Selim A. Bassoul | Executive Chairman, Director | 537,223 | 0.53% | Jan 5, 2026 |
| Richard Zimmerman | President & CEO, Director | 770,577 | 0.75% | Dec 9, 2025 |
| Christopher Lawrence Bennett | Chief Legal Officer | 51,697 | 0.05% | Nov 9, 2026 |
| Ashok Walia | Chief Financial Officer | 107,333 | 0.10% | Jul 31, 2026 |
| David R. Hoffman | Chief Accounting Officer | 115,227 | 0.11% | Jul 31, 2026 |
| Mark Pauls | Chief Operating Officer | 63 | 0.00% | Jul 17, 2026 |
| Ziegenfuss Amy Martin | Chief Marketing Officer | 18,788 | 0.02% | Jun 29, 2026 |
| Tayfun Tastepe | Chief Digital & Tech Officer | 42,694 | 0.04% | Jun 29, 2026 |
| Brian Nurse | Chief Legal Officer | 79,092 | 0.08% | Feb 25, 2026 |
| Tim Fisher | Chief Operating Officer | 222,242 | 0.22% | Feb 25, 2026 |
| Christian Dieckmann | Chief Commercial Officer | 37,404 | 0.04% | Feb 25, 2026 |
| Brian C. Witherow | Chief Financial Officer | 300,164 | 0.29% | Feb 25, 2026 |
| Monica Sauls | Chief HR Officer | 44,762 | 0.04% | Jun 24, 2025 |
| Robert Anderson White | Chief Commercial Officer | 27,315 | 0.03% | May 6, 2025 |
| Rehan Jaffer | Director | 6,350,000 | 6.21% | Nov 10, 2026 |
| Marilyn G. Spiegel | Director | 15,161 | 0.01% | May 26, 2026 |
| Sandra B. Cochran | Director | – | – | Jan 6, 2026 |
| Jennifer Mason | Director | 26,129 | 0.03% | Jan 6, 2026 |
| Chieh E. Huang | Director | 12,899 | 0.01% | Jan 6, 2026 |
| Michael A. Colglazier | Director | – | – | Jan 6, 2026 |
| Felipe Dutra | Director | 16,453 | 0.02% | Jan 6, 2026 |
| Steven E. Hoffman | Director | 13,473 | 0.01% | Jan 6, 2026 |
| Daniel J. Hanrahan | Director | 64,850 | 0.06% | Jan 5, 2026 |
| Louis Carr | Director | 15,245 | 0.01% | Dec 29, 2025 |
| Scott D. Ferguson | Director | 5,030,000 | 4.92% | Oct 27, 2025 |
| GP LLC Uncas | Director | – | – | Oct 27, 2025 |
| Head GP LLC Sachem | Director | – | – | Oct 27, 2025 |
| Head Capital Management LP Sachem | Director | – | – | Oct 27, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Rehan Jaffer Director | Nov 10, 2026 | Buy | +400,000 | $10.32 | $4.13M | 6,350,000 |
| Rehan Jaffer Director | Nov 9, 2026 | Buy | +350,000 | $10.86 | $3.80M | 5,950,000 |
| Richard M. Haddrill Executive Chair, Director | Nov 6, 2026 | Buy | +9,000 | $10.08 | $90.72K | 239,117 |
| Rehan Jaffer Director | Nov 6, 2026 | Buy | +700,000 | $10.00 | $7.00M | 5,600,000 |
| Christopher Lawrence Bennett Chief Legal Officer | Nov 6, 2026 | Buy | +5,000 | $9.32 | $46.60K | 51,697 |
| John T. Reilly President & CEO, Director | Aug 12, 2026 | Buy | +15,713 | $15.80 | $248.27K | 297,736 |
| David R. Hoffman Chief Accounting Officer | Jul 29, 2026 | Award | +16,017 | – | – | 115,227 |
| Christopher Lawrence Bennett Chief Legal Officer | Jul 29, 2026 | Award | +9,343 | – | – | 46,697 |
| Ashok Walia Chief Financial Officer | Jul 29, 2026 | Award | +66,738 | – | – | 107,333 |
| Ashok Walia Chief Financial Officer | Jun 25, 2026 | Award | +40,595 | – | – | 40,595 |
| Christopher Lawrence Bennett Chief Legal Officer | Jun 25, 2026 | Award | +37,337 | – | – | 37,354 |
| Ziegenfuss Amy Martin Chief Marketing Officer | Jun 25, 2026 | Award | +18,788 | – | – | 18,788 |
| David R. Hoffman Chief Accounting Officer | Jun 25, 2026 | Award | +13,032 | – | – | 99,210 |
| Tayfun Tastepe Chief Digital & Tech Officer | Jun 25, 2026 | Award | +13,032 | – | – | 42,694 |
| John T. Reilly President & CEO, Director | Jun 25, 2026 | Award | +122,176 | – | – | 282,023 |
| Rehan Jaffer Director | Jun 15, 2026 | Buy | +125,000 | $23.41 | $2.93M | 4,900,000 |
| Rehan Jaffer Director | Jun 12, 2026 | Buy | +125,000 | $23.69 | $2.96M | 4,775,000 |
| Marilyn G. Spiegel Director | May 21, 2026 | Buy | +2,500 | $19.10 | $47.75K | 15,161 |
| Marilyn G. Spiegel Director | May 12, 2026 | Buy | +2,500 | $19.13 | $47.83K | 12,661 |
| Richard M. Haddrill Executive Chair, Director | May 12, 2026 | Buy | +10,000 | $19.08 | $190.80K | 230,117 |
| Richard M. Haddrill Executive Chair, Director | Apr 16, 2026 | Award | +217,797 | – | – | 220,117 |
| David R. Hoffman Chief Accounting Officer | Feb 23, 2026 | Tax withholding | −4,788 | $18.24 | $87.33K | 86,178 |
| Brian Nurse Chief Legal Officer | Feb 23, 2026 | Tax withholding | −11,246 | $18.24 | $205.13K | 79,092 |
| Brian C. Witherow Chief Financial Officer | Feb 23, 2026 | Tax withholding | −16,469 | $18.24 | $300.39K | 297,765 |
| Tayfun Tastepe Chief Digital & Tech Officer | Feb 23, 2026 | Tax withholding | −3,639 | $18.24 | $66.38K | 29,662 |
| Christian Dieckmann Chief Commercial Officer | Feb 23, 2026 | Tax withholding | −3,887 | $18.24 | $70.90K | 37,404 |
| Tim Fisher Chief Operating Officer | Feb 23, 2026 | Tax withholding | −19,092 | $18.24 | $348.24K | 222,242 |
| Felipe Dutra Director | Jan 2, 2026 | Award | +13,038 | – | – | 16,453 |
| Jennifer Mason Director | Jan 2, 2026 | Award | +13,038 | – | – | 26,129 |
| Daniel J. Hanrahan Director | Dec 31, 2025 | Option exercise | +7,162 | – | – | 64,850 |
| Daniel J. Hanrahan Director | Dec 31, 2025 | Returned to company | −7,162 | $15.34 | $109.87K | 57,688 |
| Selim A. Bassoul Executive Chairman, Director | Dec 31, 2025 | Tax withholding | −110,955 | $15.34 | $1.70M | 537,223 |
| Selim A. Bassoul Executive Chairman, Director | Dec 31, 2025 | Award | +261,000 | – | – | 648,178 |
| Louis Carr Director | Dec 24, 2025 | Returned to company | −3,581 | $14.35 | $51.39K | 15,245 |
| Louis Carr Director | Dec 24, 2025 | Option exercise | +3,581 | – | – | 18,826 |
| John T. Reilly President & CEO, Director | Dec 8, 2025 | Award | +159,847 | – | – | 159,847 |
| Richard Zimmerman President & CEO, Director | Dec 5, 2025 | Tax withholding | −130,310 | $15.32 | $2.00M | 770,577 |
| Richard Zimmerman President & CEO, Director | Dec 5, 2025 | Tax withholding | −114,531 | $15.32 | $1.75M | 602,697 |
| Richard Zimmerman President & CEO, Director | Dec 5, 2025 | Award | +298,190 | – | – | 900,887 |
| Tim Fisher Chief Operating Officer | Aug 22, 2025 | Tax withholding | −21,850 | $25.59 | $559.14K | 241,334 |
| Steven E. Hoffman Director | Aug 7, 2025 | Buy | +5,044 | $24.79 | $125.04K | 13,473 |
| Steven E. Hoffman Director | Aug 7, 2025 | Buy | +5,014 | $24.54 | $123.04K | 8,429 |
| Felipe Dutra Director | Jun 25, 2025 | Award | +3,415 | – | – | 3,415 |
| Steven E. Hoffman Director | Jun 25, 2025 | Award | +3,415 | – | – | 3,415 |
| D. Scott Olivet Director | Jun 25, 2025 | Option exercise | +7,162 | – | – | 41,144 |
| Monica Sauls Chief HR Officer | Jun 20, 2025 | Award | +23,542 | – | – | 44,762 |
| Monica Sauls Chief HR Officer | Jun 20, 2025 | Tax withholding | −10,289 | $30.34 | $312.17K | 34,473 |
| Monica Sauls Chief HR Officer | Jun 20, 2025 | Tax withholding | −15,950 | $30.34 | $483.92K | 21,220 |
| David R. Hoffman Chief Accounting Officer | Jun 4, 2025 | Tax withholding | −3,374 | $33.11 | $111.71K | 90,966 |
| Christian Dieckmann Chief Commercial Officer | Jun 4, 2025 | Tax withholding | −2,786 | $33.11 | $92.24K | 41,291 |
| Brian C. Witherow Chief Financial Officer | Jun 4, 2025 | Tax withholding | −11,245 | $33.11 | $372.32K | 314,234 |
| Brian Nurse Chief Legal Officer | Jun 4, 2025 | Tax withholding | −6,508 | $33.11 | $215.48K | 90,338 |
| Tim Fisher Chief Operating Officer | Jun 4, 2025 | Tax withholding | −11,143 | $33.11 | $368.94K | 263,184 |
| Richard Zimmerman President & CEO, Director | Jun 4, 2025 | Tax withholding | −25,071 | $33.11 | $830.10K | 717,228 |
| Michelle M. Frymire Director | May 12, 2025 | Sale | −5,929 | $37.89 | $224.65K | 7,162 |
| Robert Anderson White Chief Commercial Officer | May 2, 2025 | Tax withholding | −11,556 | $34.92 | $403.54K | 27,315 |
| Robert Anderson White Chief Commercial Officer | May 2, 2025 | Tax withholding | −10,454 | $34.92 | $365.05K | 40,782 |
| Robert Anderson White Chief Commercial Officer | May 2, 2025 | Award | +23,921 | – | – | 51,236 |
| Tayfun Tastepe Chief Digital & Tech Officer | Mar 31, 2025 | Tax withholding | −312 | $35.42 | $11.05K | 33,301 |
| Brian Nurse Chief Legal Officer | Mar 31, 2025 | Tax withholding | −1,232 | $35.42 | $43.64K | 96,846 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Six Flags Entertainment's stock actually held short. Settlement fails (shares not delivered on time) peaked at 52,418 shares on Aug 28, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Michelle M. Frymire Director | May 12, 2025 | 5,929 | $224.65K | May 12, 2025 | Restricted stock vesting under a registered plan |
| Monica Sauls Officer | Mar 14, 2025 | 1,161 | $43.92K | Mar 14, 2025 | Restricted Stock Vesting |
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