Horizon Space Acquisition IIHSPT

13F holders, Q3 2025 (September 30)
20holders +1
1new positions
0sold out
1famous investor
$10.35avg. 13F price*

At the end of Q3 2025, 20 institutions reported holding Horizon Space Acquisition II (HSPT) in their 13F filings, up 1 from Q2 2025. 1 opened new positions and 0 sold out. The largest holders were Berkley W R Corp. ($7.5M), Wolverine Asset Management LLC ($6.8M) and Mizuho Securities USA LLC ($6.5M). One famous investor held it David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).

Company
Horizon Space Acquisition II
CUSIP
G4627B103
Latest filing quarter
Q2 2026

History

Number of 13F holders

0510152025 Q1 2025: 14Q1 2025Q2 2025: 19Q2 2025Q3 2025: 20Q3 2025Q4 2025: 22Q4 2025Q1 2026: 12Q1 2026Q2 2026: 1Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions1$4.4M
Exits0$0

All 13F filers, Q2 2025 → Q3 2025: 481,362 shares bought and 79,842 shares sold, net +401,520 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 20 holders

Berkley W R Corp. 0.49% Add +7.1% 722,303 $7.5M
Wolverine Asset Management LLC 0.48% Reduce -3.9% 656,189 $6.8M
Mizuho Securities USA LLC 0.13% Add +0.9% 635,000 $6.5M
Atw Spac Management LLC 7.80% No change 574,990 $6.0M
Boothbay Fund Management, LLC 0.16% No change 574,990 $6.0M
Polar Asset Management Partners Inc. 0.16% No change 525,000 $5.4M
Rivernorth Capital Management, LLC 0.25% New 427,400 $4.4M
AQR Arbitrage LLC 0.15% Reduce -1.8% 414,354 $4.3M
Westchester Capital Management, LLC 0.22% No change 404,900 $4.2M
Hudson Bay Capital Management LP 0.03% No change 400,000 $4.1M
D. E. Shaw & Co. 0.00% No change 250,000 $2.6M
Toronto Dominion Bank 0.00% Reduce -8.8% 220,000 $2.3M
Two Sigma Investments, LP 0.00% No change 217,499 $2.2M
Glazer Capital, LLC 0.07% Reduce -9.5% 175,099 $1.8M
Goldman Sachs Group Inc. 0.00% No change 125,339 $1.3M
Clear Street Group Inc. 0.00% — 38,440 $398K
Heights Capital Management, Inc. 0.07% No change 20,000 $207K
Radcliffe Capital Management, L.P. 0.03% No change 15,017 $156K
UBS Group AG 0.00% Reduce -58.5% 4,194 $43K
Morgan Stanley 0.00% Add +13.5% 42 $434

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