Horizon Space Acquisition IIHSPTRPreferred / convertible
13F holders, Q1 2026 (March 31)14holders +1
1new positions
0sold out
$0.23avg. 13F price*
At the end of Q1 2026, 14 institutions reported holding Horizon Space Acquisition II (HSPTR) in their 13F filings, up 1 from Q4 2025. 1 opened new positions and 0 sold out. The largest holders were Harraden Circle Investments, LLC ($150K), Rivernorth Capital Management, LLC ($130K) and Highbridge Capital Management LLC ($117K).
- Company
- Horizon Space Acquisition II
- CUSIP
- G4627B111
- Latest filing quarter
- Q1 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $0 |
| Exits | 0 | $0 |
All 13F filers, Q4 2025 → Q1 2026: 132,872 shares bought and 961,011 shares sold, net −828,139 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 14 holders
| Harraden Circle Investments, LLC | — | No change | 680,699 | $150K |
| Rivernorth Capital Management, LLC | — | No change | 592,400 | $130K |
| Highbridge Capital Management LLC | — | Reduce -28.2% | 404,814 | $117K |
| Polar Asset Management Partners Inc. | — | No change | 525,000 | $116K |
| Boothbay Fund Management, LLC | — | Reduce -8.7% | 524,990 | $115K |
| AQR Arbitrage LLC | — | Reduce -2.5% | 414,354 | $91K |
| Hudson Bay Capital Management LP | — | No change | 400,000 | $88K |
| Shaolin Capital Management LLC | — | No change | 368,411 | $81K |
| Clear Street Group Inc. | — | Add +63.2% | 340,000 | $75K |
| Toronto Dominion Bank | — | Reduce -74.8% | 200,000 | $44K |
| BNP Paribas Financial Markets | — | No change | 125,239 | $28K |
| Berkley W R Corp. | — | Reduce -49.7% | 53,846 | $12K |
| Wolverine Asset Management LLC | — | Reduce -91.6% | 8,786 | $2K |
| FNY Investment Advisers, LLC | — | New | 1,200 | $0 |
"% of holder's portfolio" is HSPTR's weight in each manager's 13F, not the share of Horizon Space Acquisition II the manager owns.