SEC 13F Intelligence

BLACK HAWK ACQUISITION CORP

CUSIP G1148A127

Black Hawk Acquisition Corp has 3 institutional holders in Filings Flow’s 13F database, together reporting 4.2K shares worth $49,111 as of Q1 2026. The largest reported holders are Clear Street LLC, Clear Street Group Inc., and Jpmorgan Chase & Co.

Institutional Holders
3
Q1 2026
Reported Value
$49,111
Ticker
unmapped
private placement or foreign
Quarters Tracked
2

Ownership Trend

Institutional holders
Q4 ’25: 1Q4 ’25Q1 ’26: 3Q1 ’26filingsflow.com
Total reported value
Q4 ’25: $27,580Q4 ’25Q1 ’26: $49,111Q1 ’26filingsflow.com

Holders

Mixed quarters
Manager% of PortfolioValueSharesQuarter
CLEAR STREET LLC$25.1B AUM0.00%$34,8093.3KQ2 2025OLDER
Clear Street Group Inc.$24.6B AUM0.00%$28,0332.4KQ1 2026
JPMORGAN CHASE & CO$1.56T AUM0.00%$21,0661.8KQ1 2026
UBS Group AG$666.3B AUM0.00%$121Q1 2026

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.