DOSSIER · 13F Holders · Q2 2026

BLACK HAWK ACQUISITION CORP

22 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 G1148A119·22 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$1M
visible holders
Holders
22
filers reporting
Concentration
25.83%
Harraden Circle Investments, LLC #1
top holder share
AI Holders Summary · Q2 2026

22 institutions reported BLACK HAWK ACQUISITION CORP in Q2 2026. Harraden Circle Investments, LLC leads at 25.8% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Harraden Circle Investments, LLC
CIK 0001910592
$383K249K0.05%Q2 2026
02
HIGHBRIDGE CAPITAL MANAGEMENT LLC
CIK 0000919185
$338K228K0.01%Q2 2026
03
AQR Arbitrage LLC
CIK 0001167456
$113K87K0.00%Q4 2025
04
RIVERNORTH CAPITAL MANAGEMENT, LLC
CIK 0001447578
$85K63K0.00%Q1 2026
05
Clear Street Group Inc.
CIK 0001881567
$84K54K0.00%Q2 2026
06
Shaolin Capital Management LLC
CIK 0001766806
$82K53K0.00%Q2 2026
07
ATW SPAC MANAGEMENT LLC
CIK 0001878495
$60K35K0.08%Q3 2025
08
BOOTHBAY FUND MANAGEMENT, LLC
CIK 0001549230
$54K35K0.00%Q2 2026
09
WHITEBOX ADVISORS LLC
CIK 0001257391
$39K25K0.00%Q2 2026
10
TORONTO DOMINION BANK
CIK 0000947263
$31K20K0.00%Q2 2026
11
Polar Asset Management Partners Inc.
CIK 0001326389
$31K20K0.00%Q2 2026
12
PERISCOPE CAPITAL INC.
CIK 0001695320
$30K20K0.00%Q2 2026
13
Centiva Capital, LP
CIK 0001692507
$30K19K0.00%Q2 2026
14
Yakira Capital Management, Inc.
CIK 0001584639
$27K18K0.01%Q2 2026
15
WOLVERINE ASSET MANAGEMENT LLC
CIK 0001279891
$25K16K0.00%Q2 2026
16
Shay Capital LLC
CIK 0001723643
$20K11K0.00%Q2 2026
17
D. E. Shaw & Co., Inc.
CIK 0001009207
$20K15K0.00%Q4 2025
18
HGC Investment Management Inc.
CIK 0001711200
$15K10K0.00%Q2 2026
19
Westchester Capital Management, LLC
CIK 0001512805
$15K10K0.00%Q2 2026
20
LONGFELLOW INVESTMENT MANAGEMENT CO LLC
CIK 0001167487
$2K2K0.00%Q2 2026
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