Black Hawk Acquisition Corp
BKHAR- 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; 21 institutions reported holding it in 13F filings for Q2 2026, worth $1.46M in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in Black Hawk Acquisition Corp as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 23
- 0 vs. Q2 2025
- Shares held
- 1.17M
- +46.4K (+4.1%) vs. Q2 2025
- Total value
- $1.94M
- +$417.0K (+27.4%) vs. Q2 2025
- New holders
- 1
- 2 more added
- Sold out
- 1
- 2 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting BKHAR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 21 | $1.46M |
| Q1 2026 | 19 | $1.31M |
| Q4 2025 | 21 | $1.45M |
| Q3 2025 | 23 | $1.94M |
| Q2 2025 | 24 | $1.58M |
| Q1 2025 | 20 | $1.67M |
| Q4 2024 | 19 | $864.8K |
| Q3 2024 | 20 | $975.3K |
| Q2 2024 | 16 | $786.4K |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Black Hawk Acquisition Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of America Corp | 100 | $120 | 0.00% | 00.0% | Unchanged |
| Longfellow Investment Management Co LLC | 1,511 | $2.57K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 4,504 | $5.41K | 0.00% | 00.0% | Unchanged |
| Westchester Capital Management, LLC | 9,923 | $11.9K | 0.00% | 00.0% | Unchanged |
| HGC Investment Management Inc. | 10,000 | $17.0K | 0.00% | 00.0% | Unchanged |
| Walleye Trading LLC | 13,015 | $22.1K | 0.00% | −1,985−13.2% | Reduced |
| D. E. Shaw & Co., Inc. | 15,000 | $25.5K | 0.00% | 00.0% | Unchanged |
| Periscope Capital Inc. | 19,700 | $28.6K | 0.01% | 00.0% | Unchanged |
| Yakira Capital Management, Inc. | 17,996 | $30.6K | 0.01% | 00.0% | Unchanged |
| Centiva Capital, LP | 19,445 | $33.1K | 0.00% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 19,701 | $33.5K | 0.00% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 20,000 | $34.0K | 0.00% | 00.0% | Unchanged |
| Whitebox Advisors LLC | 25,000 | $42.5K | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 35,375 | $51.3K | 0.00% | 00.0% | Unchanged |
| Atw Spac Management LLC | 35,374 | $60.1K | 0.08% | 00.0% | Unchanged |
| Clear Street Group Inc. | 44,295 | $75.3K | 0.00% | +44,295 | New |
| Citadel Advisors LLC | 44,340 | $75.4K | 0.00% | −1,869−4.0% | Reduced |
| Rivernorth Capital Management, LLC | 62,997 | $75.6K | 0.00% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 50,000 | $85.0K | 0.00% | 00.0% | Unchanged |
| CNH Partners LLC | 87,245 | $148.3K | 0.00% | 00.0% | Unchanged |
| Highbridge Capital Management LLC | 142,472 | $242.2K | 0.01% | +15,363+12.1% | Added |
| Toronto Dominion Bank | 244,444 | $415.6K | 0.00% | +7,551+3.2% | Added |
| Harraden Circle Investments, LLC | 249,020 | $423.3K | 0.08% | 00.0% | Unchanged |
| Crossingbridge Advisors, LLC | 0 | $0 | 0.00% | −17,000−100.0% | Sold out |
| Clear Street LLC | – | – | – | – | Not filed |