Black Hawk Acquisition Corp
BKHA- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0002000775
No open-market purchases or sales by Black Hawk Acquisition Corp insiders were filed in the last 90 days; 23 institutions reported holding it in 13F filings for Q2 2026, worth $23.3M in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −1 vs. previous quarter
- 23
- 13F valueReported value at the end of Q2 2026
- $23.3M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding BKHA, Q2 2026
No superinvestor reported holding BKHA at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Black Hawk Acquisition Corp insiders from Form 4, newest first.
No open-market purchases or sales by Black Hawk Acquisition Corp insiders are on file.
Top 10 13F holders, Q2 2026
The largest institutional positions in Black Hawk Acquisition Corp at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mizuho Securities USA LLC | 373,800 | $4.34M | 0.07% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 331,222 | $3.90M | 0.05% | −9,588−2.8% | Reduced |
| Berkley W R Corp | 314,797 | $3.89M | 0.19% | +5,663+1.8% | Added |
| CNH Partners LLC | 133,108 | $1.57M | 0.02% | +903+0.7% | Added |
| Boothbay Fund Management, LLC | 120,000 | $1.43M | 0.03% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 102,000 | $1.20M | 0.06% | 00.0% | Unchanged |
| Yakira Capital Management, Inc. | 88,749 | $1.06M | 0.31% | 00.0% | Unchanged |
| Clear Street Group Inc. | 81,481 | $970.4K | 0.00% | +6,845+9.2% | Added |
| D. E. Shaw & Co., Inc. | 75,000 | $882.8K | 0.00% | 00.0% | Unchanged |
| Warberg Asset Management LLC | 71,923 | $856.6K | 0.25% | −400−0.6% | Reduced |
Holders of 5% or more of BKHA
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Black Hawk Acquisition Corp.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Wolverine Asset Management LLC | 13G | 8.64%358.9K shares | New | Oct 10, 20251 filing | Oct 10, 2025 | SEC |
| Mizuho Financial Group Inc | 13G/A | 8.40%750.0K shares | −0.20 ppfrom 8.60% | Feb 13, 20253 filings | Aug 13, 2025 | SEC |
| Berkley W R Corp | 13G/A | 7.40%308.6K shares | +2.20 ppfrom 5.20% | Aug 8, 20252 filings | Nov 10, 2025 | SEC |
| Propper Kerry | 13G/A | 5.80%241.0K shares | – | Nov 13, 20251 filing | Nov 13, 2025 | SEC |