Security Snapshot

Black Hawk Acquisition Corp - Ordinary Shares, par value $0.0001 per share (the "Ordinary Shares") (BKHA) Institutional Ownership

CUSIP: G1148A101

13F Institutional Holders and Ownership History from Q2 2024 to Q2 2026

Latest Period

Q2 2026

Institutions Reporting

22

Shares (Excl. Options)

1,941,594

Price

$11.91

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
-8,426
Value change
-$117,607
Number of holders
22
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
4,155,155
SEC-reported price per share
$11.96
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • BKHA - Black Hawk Acquisition Corp - Ordinary Shares, par value $0.0001 per share (the "Ordinary Shares") is tracked under CUSIP G1148A101.
  • 22 institutions reported positions in Q2 2026.
  • 6 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 24 to 22 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $22,642,649 to $23,150,666.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 22 institutions filings for Q2 2026.

Open SEC evidence

Security key

G1148A101

Latest holder period

Q2 2026

13F holders

22

13D/G owners

6

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
6
Security
BKHA
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
MIZUHO FINANCIAL GROUP INC 8.4% -2.2% $7,987,500 -$181,050 750,000 -2.2% Mizuho Financial Group, Inc. 30 Jun 2025
WOLVERINE ASSET MANAGEMENT LLC 8.6% $3,933,412 358,888 WOLVERINE ASSET MANAGEMENT LLC 30 Sep 2025
BERKLEY W R CORP 7.4% +44% $3,453,055 -$1,722,275 308,584 -33% W. R. Berkley Corporation 30 Sep 2025
TD SECURITIES (USA) LLC 3.2% -44% $2,996,221 -$2,114,591 282,130 -41% TD SECURITIES (USA) LLC 31 Mar 2025
PROPPER KERRY 5.8% $2,687,139 240,999 Kerry Propper 30 Sep 2025
AQR CAPITAL MANAGEMENT LLC 3.4% $1,553,920 139,365 AQR Capital Management, LLC 30 Sep 2025

As of 30 Jun 2026, 22 institutional investors reported holding 1,941,594 shares of Black Hawk Acquisition Corp - Ordinary Shares, par value $0.0001 per share (the "Ordinary Shares") (BKHA). This represents 47% of the company’s total 4,155,155 outstanding shares.

13F concentration

Top 24 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
47%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
MIZUHO SECURITIES USA LLC 9% 373,800 0% 0.07% $4,336,080
WOLVERINE ASSET MANAGEMENT LLC 8% 331,222 -2.8% 0.05% $3,898,483
BERKLEY W R CORP 7.6% 314,797 +1.8% 0.19% $3,889,317
AQR Arbitrage LLC 3.2% 133,108 +0.68% 0.02% $1,566,681
BOOTHBAY FUND MANAGEMENT, LLC 2.9% 120,000 0% 0.03% $1,429,200
Westchester Capital Management, LLC 2.5% 102,000 0% 0.06% $1,200,540
Yakira Capital Management, Inc. 2.1% 88,749 0% 0.31% $1,057,001
Clear Street Group Inc. 2% 81,481 +9.2% 0% $970,439
D. E. Shaw & Co., Inc. 1.8% 75,000 0% 0% $882,750
Warberg Asset Management LLC 1.7% 71,923 -0.55% 0.25% $856,603
Meteora Capital, LLC 1.5% 63,988 -28% 0.07% $831,204
Crossingbridge Advisors, LLC 1.3% 53,024 0% 0.11% $631,516
Polar Asset Management Partners Inc. 0.94% 39,100 0% 0.01% $483,081
RLH Capital LLC 0.71% 29,448 0% 0.17% $351,816
Calamos Advisors LLC 0.59% 24,591 0% 0% $289,436
Logan Stone Capital, LLC 0.32% 13,385 0.03% $165,372
GOLDMAN SACHS GROUP INC 0.26% 10,635 0% 0% $124,642
Quarry LP 0.25% 10,528 0% 0.02% $130,073
BNP PARIBAS FINANCIAL MARKETS 0.11% 4,572 0% 0% $53,584
UBS Group AG 0% 184 -8% 0% $2,156
MORGAN STANLEY 0% 57 -5% 0% $668
SBI Securities Co., Ltd. 0% 2 0% 0% $24
TORONTO DOMINION BANK 0% 0 -100% $0
Legacy Wealth Managment, LLC/ID 0% 0 -100% $0

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
9
Latest
Q2 2026
Rows shown
1-9 of 9
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 1,941,594 $23,150,666 -$117,607 $11.91 22
2026 Q1 1,960,020 $22,642,649 -$88,335 $11.59 24
2025 Q4 1,933,555 $21,663,328 -$113,061 $11.25 20
2025 Q3 2,063,608 $22,875,022 -$41,033,896 $11.11 22
2025 Q2 5,869,840 $62,322,154 -$5,141,312 $10.62 28
2025 Q1 6,374,851 $67,081,509 +$1,710,143 $10.53 30
2024 Q4 6,213,223 $64,437,821 +$1,811,809 $10.38 29
2024 Q3 6,048,176 $61,883,829 +$9,405,412 $10.24 32
2024 Q2 5,038,331 $51,055,152 +$51,055,152 $10.14 24
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