
Black Hawk Acquisition Corporation
Black Hawk Acquisition Corporation (BKHA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · BKHA · as of Sep 30, 2025
Ownership Breakdown
22
Institutional Holders
▼ 6 vs Q2
$22.88M
Total Inst. Value
▼ $39.45M vs Q2
4.15M
Shares Outstanding
freeFloat 88.53%
2.06M
13F Shares Held
▼ 3.81M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
BKHA largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
MIZUHO SECURITIES USA LLC blank checks | 373.7K | 4.19% | 4.19% | $4.04B | Oct 22, 2025 | ▼ 376.3K |
WOLVERINE ASSET MANAGEMENT LLC blank checks | 358.9K | 4.02% | 4.02% | $4.02B | Oct 28, 2025 | ▲ 4.3K |
BERKLEY W R CORP blank checks | 308.6K | 3.46% | 3.46% | $3.43B | Nov 14, 2025 | ▼ 153.9K |
AQR ARBITRAGE LLC blank checks | 139.4K | 1.56% | 1.56% | $1.56B | Nov 14, 2025 | ▼ 365.2K |
BOOTHBAY FUND MANAGEMENT, LLC blank checks | 120.0K | 1.34% | 1.34% | $1.34B | Nov 14, 2025 | ▼ 178.0K |
ATW SPAC MANAGEMENT LLC blank checks | 120.0K | 1.34% | 1.34% | $1.33B | Nov 12, 2025 | ▼ 178.0K |
WESTCHESTER CAPITAL MANAGEMENT, LLC blank checks | 102.0K | 1.14% | 1.14% | $1.14B | Nov 14, 2025 | ▼ 198.0K |
METEORA CAPITAL, LLC blank checks | 100.0K | 1.12% | 1.12% | $1.11B | Nov 17, 2025 | NEW |
YAKIRA CAPITAL MANAGEMENT, INC. blank checks | 90.0K | 1.01% | 1.01% | $1.00B | Nov 13, 2025 | — held |
D. E. SHAW & CO., INC. blank checks | 75.0K | 83.99% | 83.99% | $839.25M | Nov 14, 2025 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
3
Increased
+4.5K shares4
New Positions
first time holders7
Decreased
−1.48M shares10
Sold Out
fully exitedNet shares change (top 50)
1.47M
+4.5K / −1.48M
Net new holders
-10
4 new / 10 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
BKHA insider trading · insider activity
Source: SEC Form 4
Recent Insider Transactions
Showing 10 most recent · Common Stock only
No recent insider transactions reported.
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Black Hawk Acquisition Corporation (BKHA) is primarily owned by institutional investors, who hold approximately 49.7% of total shares outstanding. Company insiders own approximately 11.47%, while retail and public investors account for the remaining 38.85%.
The largest institutional shareholder of Black Hawk Acquisition Corporation is MIZUHO SECURITIES USA LLC, holding approximately 373,749 shares — equal to 4.19% of outstanding shares — as of September 30, 2025.
A total of 22 institutional investors currently hold BKHA stock, with a combined institutional value of approximately $22,875,022 as of the most recent 13F filing period.
Frequently asked questions
BKHA ownershipBlack Hawk Acquisition Corporation (BKHA) is primarily owned by institutional investors, who hold approximately 49.7% of shares. The largest shareholder is MIZUHO SECURITIES USA LLC with a 4.19% stake. Company insiders hold 11.47%. Data sourced from SEC Form 13F as of September 30, 2025.