Horizon Space Acquisition IIHSPTU

13F holders, Q4 2024 (December 31)
21holders
$10.04avg. 13F price*

At the end of Q4 2024, 21 institutions reported holding Horizon Space Acquisition II (HSPTU) in their 13F filings. The largest holders were Mizuho Securities USA LLC ($6.0M), Rivernorth Capital Management, LLC ($6.0M) and Atw Spac Management LLC ($5.8M).

Company
Horizon Space Acquisition II
CUSIP
G4627B129
Latest filing quarter
Q1 2026

History

Number of 13F holders

0510152025 Q4 2024: 21Q4 2024Q1 2025: 7Q1 2025Q2 2025: 5Q2 2025Q3 2025: 5Q3 2025Q4 2025: 4Q4 2025Q1 2026: 3Q1 2026

Total Exit/New Position Q4 2024

InstitutionsTotal Value
New Positions21$58.1M
Exits0$0

Ownership 21 holders

Mizuho Securities USA LLC 0.11% New 603,771 $6.0M
Rivernorth Capital Management, LLC 0.29% New 595,000 $6.0M
Atw Spac Management LLC 8.11% New 574,990 $5.8M
Boothbay Fund Management, LLC 0.18% New 574,990 $5.8M
AQR Arbitrage LLC 0.23% New 550,000 $5.5M
Highbridge Capital Management LLC 0.76% New 530,000 $5.3M
Polar Asset Management Partners Inc. 0.10% New 525,000 $5.3M
Hudson Bay Capital Management LP 0.03% New 400,000 $4.0M
Harraden Circle Investments, LLC 2.55% — 295,000 $3.0M
Graham Capital Wealth Management, LLC 2.53% New 291,368 $2.9M
Wolverine Asset Management LLC 0.17% New 225,000 $2.3M
Two Sigma Investments, LP 0.01% New 217,499 $2.2M
Glazer Capital, LLC 0.16% New 203,684 $2.0M
Shaolin Capital Management LLC 0.49% New 175,000 $1.8M
UBS Group AG 0.00% New 89,513 $899K
Fir Tree Capital Management LP 1.77% New 75,000 $754K
Berkley W R Corp. 0.03% New 56,846 $571K
Flow Traders U.S. LLC 0.01% New 35,500 $356K
Spartan Fund Management Inc. 1.18% New 35,000 $351K
Heights Capital Management, Inc. 0.11% New 20,000 $201K
Clear Street LLC 0.00% New 8,697 $87K

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