3 institutions reported holding $49,111 of BLACK HAWK ACQUISITION CORP (BKHAU) in SEC 13F filings for 2026-03-31. Largest institutional holders: Clear Street Group Inc. ($28,033), JPMORGAN CHASE & CO ($21,066), UBS Group AG ($12). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Clear Street Group Inc. | $28,033 | 2,398 | Added |
| 2 | JPMORGAN CHASE & CO | $21,066 | 1,799 | New |
| 3 | UBS Group AG | $12 | 1 | New |
Source: SEC Form 13F filings · as of 2026-03-31