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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.

Other share classesBKHARBKHAU

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
22
−5 vs. Q2 2025
Shares held
2.06M
−3.75M (−64.5%) vs. Q2 2025
Total value
$22.9M
−$38.9M (−63.0%) vs. Q2 2025
New holders
5
2 more added
Sold out
10
7 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 BKHA 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.

Institutional holdersQ3 2025: 22 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 24 institutionsQ3 2024: 32 institutionsQ4 2024: 29 institutionsQ1 2025: 30 institutionsQ2 2025: 28 institutionsQ3 2025: 22 institutionsQ4 2025: 20 institutionsQ1 2026: 24 institutionsQ2 2026: 23 institutions
Value heldQ3 2025: $22.9M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $51.1MQ3 2024: $61.9MQ4 2024: $64.4MQ1 2025: $67.1MQ2 2025: $62.3MQ3 2025: $22.9MQ4 2025: $21.7MQ1 2026: $22.6MQ2 2026: $23.3M
Institutions holding BKHA and their total value by quarter
QuarterHoldersValue
Q2 202623$23.3M
Q1 202624$22.6M
Q4 202520$21.7M
Q3 202522$22.9M
Q2 202528$62.3M
Q1 202530$67.1M
Q4 202429$64.4M
Q3 202432$61.9M
Q2 202424$51.1M
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Black Hawk Acquisition Corp; share changes are against Q2 2025.

Institutions holding BKHA in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Mizuho Securities USA LLC373,749$4.04M0.08%−376,251−50.2%Reduced
Wolverine Asset Management LLC358,888$4.02M0.06%+4,339+1.2%Added
Berkley W R Corp308,584$3.43M0.22%−153,912−33.3%Reduced
CNH Partners LLC139,365$1.56M0.04%−365,158−72.4%Reduced
Boothbay Fund Management, LLC120,000$1.34M0.03%−178,029−59.7%Reduced
Atw Spac Management LLC119,999$1.33M1.68%−178,029−59.7%Reduced
Westchester Capital Management, LLC102,000$1.14M0.06%−198,000−66.0%Reduced
Meteora Capital, LLC100,001$1.11M0.12%+100,001New
Yakira Capital Management, Inc.89,984$1.00M0.37%00.0%Unchanged
D. E. Shaw & Co., Inc.75,000$839.3K0.00%00.0%Unchanged
Warberg Asset Management LLC74,230$824.7K0.23%00.0%Unchanged
Crossingbridge Advisors, LLC52,886$588.0K0.30%+52,886New
Clear Street Group Inc.52,873$587.7K0.00%+52,873New
Polar Asset Management Partners Inc.39,100$434.6K0.01%00.0%Unchanged
Calamos Advisors LLC24,591$275.2K0.00%00.0%Unchanged
Goldman Sachs Group Inc10,635$118.2K0.00%−27,865−72.4%Reduced
SkyView Investment Advisors, LLC10,000$112.0K0.01%00.0%Unchanged
Quarry LP10,000$111.5K0.03%+10,000New
PenderFund Capital Management Ltd.967$10.8K0.00%00.0%Unchanged
UBS Group AG510$5.67K0.00%00.0%Unchanged
Toronto Dominion Bank201$2.23K0.00%+201New
Morgan Stanley45$5000.00%+5+12.5%Added
Karpus Management, Inc.0$00.00%−1,014,329−100.0%Sold out
Vivaldi Asset Management, LLC0$00.00%−670,000−100.0%Sold out
Rivernorth Capital Management, LLC0$00.00%−301,040−100.0%Sold out
Two Sigma Investments, LP0$00.00%−172,200−100.0%Sold out
Glazer Capital, LLC0$00.00%−131,243−100.0%Sold out
Centiva Capital, LP0$00.00%−100,000−100.0%Sold out
Tenor Capital Management Co., L.P.0$00.00%−35,000−100.0%Sold out
Dakota Wealth Management0$00.00%−28,000−100.0%Sold out
Gabelli & Co Investment Advisers, Inc.0$00.00%−23,400−100.0%Sold out
Gabelli Funds LLC0$00.00%−22,481−100.0%Sold out
Clear Street LLC––––Not filed