Black Hawk Acquisition Corp (BKHA) Institutional Ownership

Ownership Summary

According to SEC filings for the period ending December 2025, Black Hawk Acquisition Corp (NASDAQ:BKHA) is held by 19 institutional firms.

• The collective stake of institutional investors in Black Hawk Acquisition moved to 37.4% in December 2025, a shift down from the 40.9% reported for September 2025.
• Institutional share ownership changed by -2.44% QoQ, while the number of institutional owners saw a decrease of 36.67% YoY.
• Of these 19 institutional investors, 6 increased their holdings in Black Hawk Acquisition, while 4 of them reduced positions, and 9 investors maintained their exposure.
• The total number of shares held by institutions in Black Hawk Acquisition decreased to 1.92Mn as of December 2025, a net change of down by 48.19K shares quarter on quarter, and down 4.29Mn shares year over year.
• The top institutional stake in Black Hawk Acquisition as of December 31, 2025 belongs to MIZUHO SECURITIES USA LLC, which owns 373.80K shares, or 7.26% of the company.
• Among the most significant buyers of Black Hawk Acquisition during December 2025 were Clear Street Group Inc. (6.16K), BERKLEY W R CORP (550), Quarry LP (528), Crossingbridge Advisors, LLC (138), MIZUHO SECURITIES USA LLC (51).
• Leading sellers of Black Hawk Acquisition stock in December 2025 included Polar Asset Management Partners Inc. (39.10K), WOLVERINE ASSET MANAGEMENT LLC (14.30K), Warberg Asset Management LLC (1.91K), UBS Group AG (310).
• The top 10 institutional holders of Black Hawk Acquisition for the quarter ending December 2025 included MIZUHO SECURITIES USA LLC (373.80K), WOLVERINE ASSET MANAGEMENT LLC (344.59K), BERKLEY W R CORP (309.13K), AQR Arbitrage LLC (139.37K), BOOTHBAY FUND MANAGEMENT, LLC (120.00K), Westchester Capital Management, LLC (102.00K), METEORA CAPITAL, LLC (100.00K), Yakira Capital Management, Inc. (89.98K), D. E. Shaw & Co., Inc. (75.00K), Warberg Asset Management LLC (72.32K).