As of November 6, 2026, Sphere Entertainment Co. is a publicly traded company (NYSE: SPHR). The largest holder reporting an active stake on Schedule 13D is James L. Dolan, at 14.5%. No bankruptcy or receivership appears in its SEC Form 8-K filings. Passive holders reporting on Schedule 13G include BlackRock (13.5%), Morgan Stanley (8.3%), Ariel Investments, LLC (5.8%) (Schedule 13D/A, October 22, 2026).
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Is Sphere Entertainment Co. a real, registered company?
- Sphere Entertainment Co. files with the SEC under CIK 1795250 (its SEC filings).
- Its shares are listed under the ticker SPHR on NYSE (SEC company record).
- Incorporated in Nevada; business address in New York, New York, 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 Sphere Entertainment Co. in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names James L. Dolan (filed 2026-10-22).
Who are Sphere Entertainment Co.'s owners and officers?
Sphere Entertainment Co.: incorporated in Nevada; business address in New York, New York; industry Services-Amusement & Recreation Services (Schedule 13D/A, 2026-10-22).
| Report | Holder | Share |
|---|---|---|
| Schedule 13D/A, 2026-10-22 | James L. Dolan | 14.5% |
| Schedule 13G/A, 2026-08-14 | Ariel Investments, LLC | 5.8% |
| Schedule 13D/A, 2026-08-14 | Gamco Investors, Inc. Et Al | 1.9% |
| Schedule 13G/A, 2026-08-12 | Morgan Stanley | 8.3% |
| Schedule 13G/A, 2026-05-14 | Ariel Investments, LLC | 8.6% |
| Schedule 13G/A, 2026-05-12 | Morgan Stanley | 7% |
| Schedule 13G, 2026-04-29 | Vanguard Portfolio Management | 5.42% |
| Schedule 13G, 2026-04-07 | Blackrock, Inc. | 13.5% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13D/A, 2026-03-09 | James L. Dolan | 13% |
| Schedule 13D/A, 2026-02-27 | James L. Dolan | 13% |
| Schedule 13G/A, 2026-02-13 | Ariel Investments, LLC | 11.1% |
Questions about who owns Sphere Entertainment Co.
Who owns Sphere Entertainment Co.?
On this page, 5 holders' latest ownership filings report 5% or more of Sphere Entertainment Co.: James L. Dolan (14.5%, Schedule 13D/A, filed 2026-10-22), Blackrock, Inc. (13.5%, Schedule 13G, filed 2026-04-07), Morgan Stanley (8.3%, Schedule 13G/A, filed 2026-08-12), Ariel Investments, LLC (5.8%, Schedule 13G/A, filed 2026-08-14) and Vanguard Portfolio Management (5.42%, Schedule 13G, filed 2026-04-29).
Who are the largest shareholders of Sphere Entertainment Co.?
By the share each holder's latest filing reports, the largest holders of Sphere Entertainment Co. on this page are James L. Dolan (14.5%), Blackrock, Inc. (13.5%) and Morgan Stanley (8.3%).
When did James L. Dolan buy into Sphere Entertainment Co.?
The filings give report dates, not purchase dates. The earliest filing from James L. Dolan on this page is the Schedule 13D/A, filed 2026-02-27, reporting 13%; its latest, Schedule 13D/A filed 2026-10-22, reports 14.5%. 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%); 12 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 Sphere Entertainment Co. 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
Sources
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Which insiders own Sphere Entertainment Co. 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.
- , a director and 10% owner: 1,045,998 shares, 1,031,133 held directly and 14,865 indirectly, on a joint filing (Form 4, 2026-09-17).
- , the chairman and chief executive: 1,045,998 shares, 1,031,133 held directly and 14,865 indirectly, on a joint filing (Form 4, 2026-09-17).
- , the chief executive and president: 97,557.98 shares (Form 4, 2025-03-14).
- , the president: 94,826 shares (Form 4, 2026-09-17).
- , the president and chief operating officer: 54,207 shares (Form 4, 2026-09-17).
Shares only: the company's cover page does not give one share count for a single class, so no percentage is worked out.
How much has Sphere Entertainment Co. raised?
No fundraising or offering filing from Sphere Entertainment Co. is on file with us.
Keep reading
More on Sphere Entertainment Co. and the records around it.
Sphere Entertainment Co. elsewhere on the record
- 5%+ stake filings Oct 2026
Companies that share a holder
- James L. Dolan also filed stake reports on 4 other companies: MSG Rangers Corp. (Nov 2026), Madison Square Garden Entertainment Corp. (Mar 2026), Madison Square Garden Sports Corp. (Mar 2026)
- Ariel Investments, LLC also filed stake reports on 13 other companies: Lindblad Expeditions Holdings (Aug 2026), Madison Square Garden Entertai (Aug 2026), Mattel Inc (Aug 2026)
- BANK OF NOVA SCOTIA also filed stake reports on 19 other companies: CENTRUS ENERGY CORP (Oct 2026), CLEANSPARK, INC. (Oct 2026), Haymaker Acquisition Corp V (Oct 2026)
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