13F Insight
DOSSIER · 13F Holders · Q2 2026

BLACK HAWK ACQUISITION CORP

25 institutions still hold BLACK HAWK ACQUISITION CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G1148A101·25 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$37M
visible holders
Holders
25
filers reporting
Concentration
23.48%
MIZUHO SECURITIES USA LLC #1
top holder share
AI Holders Summary · Q2 2026

25 institutions reported BLACK HAWK ACQUISITION CORP in Q2 2026. MIZUHO SECURITIES USA LLC leads at 23.5% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
MIZUHO SECURITIES USA LLC
CIK 0000812291
$9M748K0.08%Q2 202602
MIZUHO SECURITIES USA LLC
CIK 0001513006
$8M767K0.17%Q1 202503
WOLVERINE ASSET MANAGEMENT LLC
CIK 0001279891
$4M331K0.03%Q2 202604
BERKLEY W R CORP
CIK 0000011544
$4M315K0.18%Q2 202605
AQR Arbitrage LLC
CIK 0001167456
$2M139K0.03%Q4 202506
BOOTHBAY FUND MANAGEMENT, LLC
CIK 0001549230
$1M120K0.02%Q2 202607
ATW SPAC MANAGEMENT LLC
CIK 0001878495
$1M120K1.69%Q3 202508
Westchester Capital Management, LLC
CIK 0001512805
$1M102K0.06%Q2 202609
Yakira Capital Management, Inc.
CIK 0001584639
$1M89K0.30%Q2 202610
Clear Street Group Inc.
CIK 0001881567
$970K81K0.00%Q2 202611
Warberg Asset Management LLC
CIK 0001597506
$857K72K0.16%Q2 202612
D. E. Shaw & Co., Inc.
CIK 0001009207
$844K75K0.00%Q4 202513
METEORA CAPITAL, LLC
CIK 0001905106
$831K64K0.07%Q2 202614
Crossingbridge Advisors, LLC
CIK 0001770024
$632K53K0.11%Q2 202615
Polar Asset Management Partners Inc.
CIK 0001326389
$483K39K0.01%Q2 202616
RLH Capital LLC
CIK 0002008031
$352K29K0.17%Q2 202617
Calamos Advisors LLC
CIK 0001316507
$289K25K0.00%Q2 202618
Quarry LP
CIK 0001965207
$130K11K0.01%Q2 202619
GOLDMAN SACHS GROUP INC
CIK 0000886982
$125K11K0.00%Q2 202620
SkyView Investment Advisors, LLC
CIK 0001848237
$116K10K0.02%Q1 2026
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