DOSSIER · 13F Holders · Q1 2025

HORIZON SPACE ACQUISITION I CORP

2 institutions still hold HORIZON SPACE ACQUISITION I CORP as of Q1 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G4619M109·2 13F holders·last filed Mar 31, 2025
Market cap
13F value held
$4M
visible holders
Holders
2
filers reporting
Concentration
100.00%
MIZUHO SECURITIES USA LLC #1
top holder share
AI Holders Summary · Q1 2025

2 institutions reported HORIZON SPACE ACQUISITION I CORP in Q1 2025. MIZUHO SECURITIES USA LLC leads at 100.0% 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 0001513006
$4M375K0.09%Q1 2025
02
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025