As of November 10, 2026, Black Hawk Acquisition Corp is a publicly traded company (Nasdaq: BKHA); its largest reported holder is Mizuho, with 8.4% on Schedule 13G/A of August 13, 2025, then W. R. Berkley Corporation (7.8%). No bankruptcy or receivership appears in its SEC Form 8-K filings. Other passive holders reporting on Schedule 13G include Kerry Propper (5.8%) (Schedule 13G/A, August 13, 2025).
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Is Black Hawk Acquisition Corp a real, registered company?
- Black Hawk Acquisition Corporation files with the SEC under CIK 2000775 (its SEC filings).
- Its shares are listed under the ticker BKHA on Nasdaq (also BKHAR, BKHAU) (SEC company record).
- business address in Danville, California, 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 Black Hawk Acquisition Corporation in our court records and SEC 8-K records (as of 2026-11-10).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names W. R. Berkley Corporation (filed 2026-11-09).
Who are Black Hawk Acquisition Corp's owners and officers?
Black Hawk Acquisition Corp: business address in Danville, California; industry Biological Products, (No Diagnostic Substances) (Schedule 13G/A, 2026-11-09).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-11-09 | W. R. Berkley Corporation | 7.8% |
| Schedule 13G/A, 2026-11-05 | Wolverine Asset Management, LLC | 0% |
| Schedule 13G/A, 2026-10-07 | Wolverine Asset Management, LLC | 5.09% |
| Schedule 13G/A, 2025-11-14 | First Trust Merger Arbitrage Fund | 0% |
| Schedule 13G/A, 2025-11-13 | Kerry Propper | 5.8% |
| Schedule 13G/A, 2025-11-12 | Aqr Capital Management, LLC | 3.36% |
| Schedule 13G/A, 2025-11-10 | W. R. Berkley Corporation | 7.4% |
| Schedule 13G, 2025-10-10 | Wolverine Asset Management LLC | 8.64% |
| Schedule 13G/A, 2025-08-13 | Mizuho Financial Group, Inc. | 8.4% |
| Schedule 13G, 2025-08-08 | W. R. Berkley Corporation | 5.2% |
| Schedule 13G/A, 2025-08-07 | Karpus Management, Inc. | 0% |
Questions about who owns Black Hawk Acquisition Corp
Who owns Black Hawk Acquisition Corp?
On this page, 4 holders' latest ownership filings report 5% or more of Black Hawk Acquisition Corp: Wolverine Asset Management LLC (8.64%, Schedule 13G, filed 2025-10-10), Mizuho Financial Group, Inc. (8.4%, Schedule 13G/A, filed 2025-08-13), W. R. Berkley Corporation (7.8%, Schedule 13G/A, filed 2026-11-09) and Kerry Propper (5.8%, Schedule 13G/A, filed 2025-11-13).
Who are the largest shareholders of Black Hawk Acquisition Corp?
By the share each holder's latest filing reports, the largest holders of Black Hawk Acquisition Corp on this page are Wolverine Asset Management LLC (8.64%), Mizuho Financial Group, Inc. (8.4%) and W. R. Berkley Corporation (7.8%).
When did Wolverine Asset Management LLC buy into Black Hawk Acquisition Corp?
The filings give report dates, not purchase dates. The earliest filing from Wolverine Asset Management LLC on this page is the Schedule 13G, filed 2025-10-10, reporting 8.64%.
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%); 11 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 Black Hawk Acquisition Corp 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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How much has Black Hawk Acquisition Corp raised?
Latest IPO step: Black Hawk Acquisition Corp filed its final IPO prospectus (424B4, 2026-09-22).
IPO filings: 424B4, 2026-09-22.
Keep reading
More on Black Hawk Acquisition Corp and the records around it.
Black Hawk Acquisition Corp elsewhere on the record
- 5%+ stake filings Nov 2026
Companies that share a holder
- Kerry Propper also filed stake reports on 5 other companies: Cayson Acquisition Corp. (May 2026), Future Vision II Acquisition Corp. (May 2026), Rising Dragon Acquisition Corp. (May 2026)
- First Trust Merger Arbitrage Fund also filed stake reports on 47 other companies: TCW SPECIALTY LENDING LLC (Sep 2026), Blue Foundry Bancorp (Aug 2026), Centurion Acquisition Corp. (Aug 2026)
- Mizuho Financial Group, Inc. also filed stake reports on 74 other companies: Aeon Acquisition I Corp. (Aug 2026), Alpex Acquisition Corp (Aug 2026), Aperture AC (Aug 2026)
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