As of November 10, 2026, Hornbeck Offshore Services, Inc. is a publicly traded company (NYSE: HOS). The largest holder reporting an active stake on Schedule 13D is Asof Hos GP, LLC, at 23.7%. No bankruptcy or receivership appears in its SEC Form 8-K filings. Passive holders reporting on Schedule 13G include Whitebox Advisors LLC (15%), BlackRock (11.5%), Dimensional (6%) (Schedule 13D, September 9, 2026).
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Is Hornbeck Offshore Services, Inc. a real, registered company?
- Hornbeck Offshore Services files with the SEC under CIK 866829 (its SEC filings).
- Its shares are listed under the ticker HOS on NYSE (SEC company record).
- Incorporated in Delaware; business address in Covington, Louisiana, 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 HORNBECK OFFSHORE SERVICES in our court records and SEC 8-K records (as of 2026-11-10).
- Leadership changes: the latest reported is Bobby Jindal, Director (Form 8-K filed 2026-09-01). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names BlackRock (filed 2026-10-27).
Who are Hornbeck Offshore Services, Inc.'s owners and officers?
Hornbeck Offshore Services, Inc.: incorporated in Delaware; business address in Covington, Louisiana; industry Oil & Gas Field Services, NEC (Schedule 13G/A, 2026-10-27).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-10-27 | Blackrock, Inc. | 11.5% |
| Schedule 13G, 2026-09-09 | Whitebox Advisors LLC | 15% |
| Schedule 13G, 2026-09-09 | Merced Capital, L.P. | 5.3% |
| Schedule 13D, 2026-09-09 | Asof Hos Gp, LLC | 23.7% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2025-10-09 | Dimensional Fund Advisors LP | 6% |
| Schedule 13G/A, 2025-07-18 | Blackrock, Inc. | 14% |
Questions about who owns Hornbeck Offshore Services, Inc.
Who owns Hornbeck Offshore Services, Inc.?
On this page, 5 holders' latest ownership filings report 5% or more of Hornbeck Offshore Services, Inc.: Asof Hos Gp, LLC (23.7%, Schedule 13D, filed 2026-09-09), Whitebox Advisors LLC (15%, Schedule 13G, filed 2026-09-09), Blackrock, Inc. (11.5%, Schedule 13G/A, filed 2026-10-27), Dimensional Fund Advisors LP (6%, Schedule 13G/A, filed 2025-10-09) and Merced Capital, L.P. (5.3%, Schedule 13G, filed 2026-09-09).
Who are the largest shareholders of Hornbeck Offshore Services, Inc.?
By the share each holder's latest filing reports, the largest holders of Hornbeck Offshore Services, Inc. on this page are Asof Hos Gp, LLC (23.7%), Whitebox Advisors LLC (15%) and Blackrock, Inc. (11.5%).
When did Asof Hos Gp, LLC buy into Hornbeck Offshore Services, Inc.?
The filings give report dates, not purchase dates. The earliest filing from Asof Hos Gp, LLC on this page is the Schedule 13D, filed 2026-09-09, reporting 23.7%.
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%); 7 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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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-09-01 | Bobby Jindal | Director | appointed | |
| Form 8-K, 2026-09-01 | William L. Transier | Chairman of the Board | appointed | |
| Form 8-K, 2026-09-01 | Todd M. Hornbeck | President and Chief Executive Officer | appointed |
Which insiders own Hornbeck Offshore Services, Inc. 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.
- ASSF IV AIV B Holdings III, L.P., a 10% owner: 23,840,862 shares (10.7% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 3, 2026-09-09).
- ASOF Holdings I, L.P., a 10% owner: 23,840,862 shares (10.7% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 3, 2026-09-09).
- , L.P., a 10% owner: 23,840,862 shares (10.7% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 3, 2026-09-09).
- ASOF II Holdings I, L.P., a 10% owner: 23,840,862 shares (10.7% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 3, 2026-09-09).
- ASOF Investment Management LLC, a 10% owner: 23,840,862 shares (10.7% of shares outstanding), held indirectly (the form names the holder only in its footnotes), on a joint filing (Form 3, 2026-09-09).
Shares outstanding: 221,971,035 as of 2026-11-06, from the company's latest SEC cover page.
How much has Hornbeck Offshore Services, Inc. raised?
Acquisitions reported on Form 8-K, Item 2.01: completed an acquisition (2026-09-01).
Keep reading
More on Hornbeck Offshore Services, Inc. and the records around it.
Hornbeck Offshore Services, Inc. elsewhere on the record
- 5%+ stake filings Oct 2026
- Leadership changes Sep 2026
Companies that share a holder
- WHITEBOX ADVISORS LLC also filed stake reports on 9 other companies: KLX Energy Services Holdings, Inc. (Oct 2026), Electra Battery Materials Corp (Aug 2026), MERCER INTERNATIONAL INC. (Aug 2026)
- Dimensional Fund Advisors LP also filed stake reports on 366 other companies: Acadia Healthcare Co Inc (Oct 2026), ADT Inc (Oct 2026), AGCO Corp (Oct 2026)
- BlackRock, Inc. also filed stake reports on 1596 other companies: AvePoint, Inc. (Nov 2026), BIOMARIN PHARMACEUTICAL INC (Nov 2026), MSG RANGERS CORP (Nov 2026)
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