DOSSIER · 13F Holders · Q1 2026

Black Spade Acquisition III Co

14 institutions still hold Black Spade Acquisition III Co as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G1154S129·14 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$31M
visible holders
Holders
14
filers reporting
Concentration
19.64%
MILLENNIUM MANAGEMENT LLC #1
top holder share
AI Holders Summary · Q1 2026

14 institutions reported Black Spade Acquisition III Co in Q1 2026. MILLENNIUM MANAGEMENT LLC leads at 19.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$6M600K0.00%Q1 2026
02
SONA ASSET MANAGEMENT (US) LLC
CIK 0001856405
$6M600K0.13%Q1 2026
03
LMR Partners LLP
CIK 0001578621
$5M500K0.01%Q1 2026
04
TORONTO DOMINION BANK
CIK 0000947263
$4M400K0.01%Q1 2026
05
OMERS ADMINISTRATION Corp
CIK 0001053321
$3M300K0.02%Q1 2026
06
MMCAP International Inc. SPC
CIK 0001304857
$3M250K0.22%Q1 2026
07
Bulldog Investors, LLP
CIK 0001504304
$2M150K0.34%Q1 2026
08
BOOTHBAY FUND MANAGEMENT, LLC
CIK 0001549230
$750K75K0.01%Q1 2026
09
Schonfeld Strategic Advisors LLC
CIK 0001665241
$523K52K0.00%Q1 2026
10
GTS SECURITIES LLC
CIK 0001452765· Market maker
$420K42K0.01%Q1 2026
11
Quarry LP
CIK 0001965207
$375K38K0.07%Q1 2026
12
RLH Capital LLC
CIK 0002008031
$375K38K0.19%Q1 2026
13
Clear Street Group Inc.
CIK 0001881567
$61K6K0.00%Q1 2026
14
GLAZER CAPITAL, LLC
CIK 0001076809
$50K5K0.00%Q1 2026