As of November 6, 2026, Six Flags Entertainment Corporation/NEW is a publicly traded company (NYSE: FUN); its largest reported holder is BlackRock, with 14.4% on Schedule 13G/A of July 30, 2026, then Darlington Partners Capital Management, LP (7.5%) (Schedule 13G/A, July 30, 2026).
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Is Six Flags Entertainment Corporation/NEW a real, registered company?
- Six Flags Entertainment Corporation files with the SEC under CIK 1999001 (its SEC filings).
- Its shares are listed under the ticker FUN on NYSE (SEC company record).
- Incorporated in Delaware; business address in Charlotte, North Carolina, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Six Flags Entertainment Corporation/NEW in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is David Hoffman, Chief Financial Officer (Form 8-K filed 2026-05-07). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Darlington Partners Capital Management, LP (filed 2026-08-14).
Who are Six Flags Entertainment Corporation/NEW's owners and officers?
Six Flags Entertainment Corporation/NEW: incorporated in Delaware; business address in Charlotte, North Carolina; industry Services-Amusement & Recreation Services (Schedule 13G/A, 2026-08-14).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-08-14 | Darlington Partners Capital Management, LP | 7.5% |
| Schedule 13G/A, 2026-07-30 | Blackrock, Inc. | 14.4% |
| Schedule 13G/A, 2026-05-15 | Darlington Partners Capital Management, LP | 8.5% |
| Schedule 13G/A, 2026-05-12 | Morgan Stanley | 5.4% |
| Schedule 13G, 2026-04-29 | Vanguard Portfolio Management | 5.11% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-02-13 | Darlington Partners Capital Management, LP | 5.1% |
| Schedule 13G/A, 2026-02-12 | Morgan Stanley | 9.1% |
| Schedule 13G, 2025-11-07 | Morgan Stanley | 5.6% |
| Schedule 13G/A, 2025-08-14 | Darlington Partners Capital Management, LP | 8.6% |
Questions about who owns Six Flags Entertainment Corporation/NEW
Who owns Six Flags Entertainment Corporation/NEW?
On this page, 4 holders' latest ownership filings report 5% or more of Six Flags Entertainment Corporation/NEW: Blackrock, Inc. (14.4%, Schedule 13G/A, filed 2026-07-30), Darlington Partners Capital Management, LP (7.5%, Schedule 13G/A, filed 2026-08-14), Morgan Stanley (5.4%, Schedule 13G/A, filed 2026-05-12) and Vanguard Portfolio Management (5.11%, Schedule 13G, filed 2026-04-29).
Who are the largest shareholders of Six Flags Entertainment Corporation/NEW?
By the share each holder's latest filing reports, the largest holders of Six Flags Entertainment Corporation/NEW on this page are Blackrock, Inc. (14.4%), Darlington Partners Capital Management, LP (7.5%) and Morgan Stanley (5.4%).
When did Blackrock, Inc. buy into Six Flags Entertainment Corporation/NEW?
The filings give report dates, not purchase dates. The earliest filing from Blackrock, Inc. on this page is the Schedule 13G/A, filed 2026-07-30, reporting 14.4%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 10 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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What the Full Report on Six Flags Entertainment Corporation/NEW covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-05-07 | David Hoffman | Chief Financial Officer | appointed | 2026-05-08 |
Which insiders own Six Flags Entertainment Corporation/NEW shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- Uncas GP LLC, a director: 5,030,000 shares (4.9% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 3, 2025-10-27).
- , a director: 5,030,000 shares (4.9% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 3, 2025-10-27).
- , a director: 5,030,000 shares (4.9% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 3, 2025-10-27).
- Sachem Head GP LLC, a director: 5,030,000 shares (4.9% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 3, 2025-10-27).
- Sachem Head Capital Management LP, a director: 5,030,000 shares (4.9% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 3, 2025-10-27).
Shares outstanding: 102,309,821 as of 2026-10-30, from the company's latest SEC cover page.
How much has Six Flags Entertainment Corporation/NEW raised?
No fundraising or offering filing from Six Flags Entertainment Corporation/NEW is on file with us.
Keep reading
More on Six Flags Entertainment Corporation/NEW and the records around it.
Six Flags Entertainment Corporation/NEW elsewhere on the record
- 5%+ stake filings Aug 2026
- Leadership changes Jul 2026
Companies that share a holder
- Darlington Partners Capital Management, LP also filed stake reports on 4 other companies: OneStream, Inc. (May 2026), Shift4 Payments, Inc. (May 2026), Warner Music Group Corp. (Apr 2026)
- Morgan Stanley also filed stake reports on 182 other companies: MDA Space Ltd. (Nov 2026), RiverNorth/DoubleLine Strategic Opportunity Fund, Inc. (Oct 2026), Arbutus Biopharma Corp (Oct 2026)
- Vanguard Portfolio Management also filed stake reports on 941 other companies: Newmark Group Inc (Nov 2026), A10 Networks Inc (Oct 2026), ADT Inc (Oct 2026)
Related pages
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