Black Hawk Acquisition C-RTSBKHARPreferred / convertible

13F holders, Q4 2025 (December 31)
21holders −2
0new positions
1sold out
2famous investors
$1.30avg. 13F price*

At the end of Q4 2025, 21 institutions reported holding Black Hawk Acquisition C-RTS (BKHAR) in their 13F filings, down 2 from Q3 2025. 0 opened new positions and 1 sold out. The largest holders were Harraden Circle Investments, LLC ($324K), Toronto Dominion Bank ($309K) and Highbridge Capital Management LLC ($185K). 2 famous investors held it, including Ken Griffin ( of Citadel Advisors's portfolio) and David E. Shaw ( of D. E. Shaw & Co.'s portfolio).

Company
Black Hawk Acquisition C-RTS
CUSIP
G1148A119
Latest filing quarter
Q2 2026

History

Number of 13F holders

0510152025 Q2 2024: 16Q2 2024Q3 2024: 20Q3 2024Q4 2024: 19Q4 2024Q1 2025: 20Q1 2025Q2 2025: 24Q2 2025Q3 2025: 23Q3 2025Q4 2025: 21Q4 2025Q1 2026: 19Q1 2026Q2 2026: 21Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions0$0
Exits1$22K

All 13F filers, Q3 2025 → Q4 2025: 2,738 shares bought and 27,522 shares sold, net −24,784 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 21 holders
Harraden Circle Investments, LLC — No change 249,020 $324K
Toronto Dominion Bank — Reduce -2.6% 238,000 $309K
Highbridge Capital Management LLC — Add +0.1% 142,544 $185K
AQR Arbitrage LLC — No change 87,245 $113K
Rivernorth Capital Management, LLC — No change 62,997 $80K
Shaolin Capital Management LLC — Add +5.3% 52,666 $68K
Clear Street Group Inc. — No change 44,295 $58K
Citadel Advisors — Reduce -14.8% 37,781 $49K
Boothbay Fund Management, LLC — No change 35,375 $46K
Whitebox Advisors LLC — No change 25,000 $33K
Periscope Capital Inc. — No change 19,700 $30K
Polar Asset Management Partners Inc. — No change 20,000 $26K
Wolverine Asset Management LLC — No change 19,701 $26K
Centiva Capital, LP — No change 19,445 $25K
Yakira Capital Management, Inc. — No change 17,996 $23K
D. E. Shaw & Co. — No change 15,000 $20K
HGC Investment Management Inc. — No change 10,000 $13K
Westchester Capital Management, LLC — No change 9,923 $13K
UBS Group AG — Reduce -33.4% 3,000 $4K
Longfellow Investment Management Co. LLC — No change 1,511 $2K
Bank of America Corp. — No change 100 $127

"% of holder's portfolio" is BKHAR's weight in each manager's 13F, not the share of Black Hawk Acquisition C-RTS the manager owns.