Horizon Space Acquisition IHSPOF

13F holders, Q2 2025 (June 30)
12holders +1
2new positions
1sold out
$12.00avg. 13F price*

At the end of Q2 2025, 12 institutions reported holding Horizon Space Acquisition I (HSPOF) in their 13F filings, up 1 from Q1 2025. 2 opened new positions and 1 sold out. The largest holders were Mizuho Securities USA LLC ($4.5M), Wolverine Asset Management LLC ($4.4M) and Westchester Capital Management, LLC ($3.6M).

Company
Horizon Space Acquisition I
CUSIP
G4619M109
Latest filing quarter
Q3 2025

History

Number of 13F holders

0510152025 Q1 2024: 25Q1 2024Q2 2024: 25Q2 2024Q3 2024: 22Q3 2024Q4 2024: 8Q4 2024Q1 2025: 11Q1 2025Q2 2025: 12Q2 2025Q3 2025: 13Q3 2025

Total Exit/New Position Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions2$203K
Exits1$402K

All 13F filers, Q1 2025 → Q2 2025: 19,772 shares bought and 47,893 shares sold, net −28,121 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 12 holders

Mizuho Securities USA LLC 0.10% — 375,209 $4.5M
Wolverine Asset Management LLC 0.32% Reduce -2.8% 367,049 $4.4M
Westchester Capital Management, LLC 0.21% No change 297,000 $3.6M
First Trust Capital Management L.P. 0.24% No change 300,000 $3.6M
Berkley W R Corp. 0.15% No change 205,129 $2.5M
Polar Asset Management Partners Inc. 0.06% No change 150,000 $1.8M
Quarry LP 0.05% New 16,899 $203K
Toronto Dominion Bank 0.00% Reduce -17.3% 16,382 $196K
UBS Group AG 0.00% No change 11,903 $143K
Clear Street LLC 0.00% Add +138.1% 4,864 $58K
PenderFund Capital Management Ltd. 0.00% New 52 $632
Morgan Stanley 0.00% Reduce -9.1% 10 $120

"% of holder's portfolio" is HSPOF's weight in each manager's 13F, not the share of Horizon Space Acquisition I the manager owns.