Horizon Space Acquisition IHSPOF

13F holders, Q3 2025 (September 30)
13holders +1
1new positions
0sold out
$12.30avg. 13F price*

At the end of Q3 2025, 13 institutions reported holding Horizon Space Acquisition I (HSPOF) in their 13F filings, up 1 from Q2 2025. 1 opened new positions and 0 sold out. The largest holders were Mizuho Securities USA LLC ($4.6M), Wolverine Asset Management LLC ($4.5M) and First Trust Capital Management L.P. ($3.7M).

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 Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions1$8K
Exits0$0

All 13F filers, Q2 2025 → Q3 2025: 1,193 shares bought and 8,030 shares sold, net −6,837 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 13 holders

Mizuho Securities USA LLC 0.09% No change 375,209 $4.6M
Wolverine Asset Management LLC 0.32% Reduce -0.4% 365,655 $4.5M
First Trust Capital Management L.P. 0.24% No change 300,000 $3.7M
Westchester Capital Management, LLC 0.19% No change 297,000 $3.7M
Berkley W R Corp. 0.17% No change 205,129 $2.5M
Polar Asset Management Partners Inc. 0.05% No change 150,000 $1.8M
Quarry LP 0.06% Add +2.0% 17,237 $213K
UBS Group AG 0.00% Reduce -2.1% 11,649 $144K
Toronto Dominion Bank 0.00% Reduce -39.0% 10,000 $123K
Clear Street Group Inc. 0.00% — 4,764 $59K
Crossingbridge Advisors, LLC 0.01% New 633 $8K
PenderFund Capital Management Ltd. 0.00% Add +417.3% 269 $3K
Morgan Stanley 0.00% Add +50.0% 15 $185

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