Horizon Space Acquisition II Corp. - HSPT

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
BERKLEY W R CORP History Reduced 722,015 7,610 0.36% 0.43% 1 -288 -0.04% Q4 2025 Feb 13, 2026
MIZUHO SECURITIES USA LLC History Added to 696,145 7,178 0.12% 0.13% 2 +61,145 9.63% Q4 2025 Feb 09, 2026
WOLVERINE ASSET MANAGEMENT LLC History Reduced 641,151 6,757 0.05% 0.05% 3 -15,038 -2.29% Q4 2025 Feb 02, 2026
RIVERNORTH CAPITAL MANAGEMENT, LLC History Reduced 592,400 6,243 0.3% 0.35% 4 -2,467 -0.41% Q4 2025 Feb 17, 2026
BOOTHBAY FUND MANAGEMENT, LLC History No change 574,990 6,063 0.09% 0.09% 5 0 0.0% Q4 2025 Feb 17, 2026
Polar Asset Management Partners Inc. History New 525,000 5,536 0.07% 6 +525,000 New Q4 2025 Feb 17, 2026
AQR Arbitrage LLC History No change 414,354 4,367 0.09% 0.11% 7 0 0.0% Q4 2025 Feb 17, 2026
Westchester Capital Management, LLC History No change 404,900 4,267 0.18% 0.19% 8 0 0.0% Q4 2025 Feb 13, 2026
Hudson Bay Capital Management LP History No change 400,000 4,216 0.01% 0.01% 9 0 0.0% Q4 2025 Feb 13, 2026
D. E. Shaw & Co., Inc. History No change 250,000 2,635 0.0% 0.0% 10 0 0.0% Q4 2025 Feb 17, 2026
TWO SIGMA INVESTMENTS, LP History No change 217,499 2,292 0.0% 0.0% 11 0 0.0% Q4 2025 Feb 17, 2026
TORONTO DOMINION BANK History Reduced 191,614 2,020 0.0% 0.0% 12 -28,386 -12.9% Q4 2025 Feb 17, 2026
Clear Street Group Inc. History Added to 161,999 1,720 0.01% 0.01% 13 +15,841 10.84% Q4 2025 Feb 13, 2026
GLAZER CAPITAL, LLC History Reduced 162,346 1,711 0.04% 0.06% 14 -12,753 -7.28% Q4 2025 Feb 13, 2026
L1 Global Manager Pty Ltd History New 150,000 1,581 1.03% 15 +150,000 New Q4 2025 Feb 13, 2026
GOLDMAN SACHS GROUP INC History No change 125,339 1,321 0.0% 0.0% 16 0 0.0% Q4 2025 Mar 25, 2026
UBS Group AG History Reduced 90,861 962 0.0% 0.0% 17 -1,255 -1.36% Q4 2025 Jan 29, 2026
FLOW TRADERS U.S. LLC History Added to 45,462 482 0.02% 0.02% 18 +2,264 5.24% Q4 2025 Feb 13, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Reduced 31,871 339 0.0% 0.0% 19 -225 -0.7% Q4 2025 Feb 17, 2026
HEIGHTS CAPITAL MANAGEMENT, INC History No change 20,000 210 0.08% 0.06% 20 0 0.0% Q4 2025 Feb 17, 2026
Radcliffe Capital Management, L.P. History No change 15,017 158 0.01% 0.01% 21 0 0.0% Q4 2025 Feb 17, 2026
Quarry LP History New 4,957 52 0.01% 22 +4,957 New Q4 2025 Feb 13, 2026
METEORA CAPITAL, LLC History New 36 0 +36 New Q4 2025 Feb 17, 2026
MORGAN STANLEY History Added to 48 0 +6 14.29% Q4 2025 Feb 13, 2026