Horizon Space Acquisition-28HSPWFPreferred / convertible
13F holders, Q3 2025 (September 30)18holders
1new positions
1sold out
$0.06avg. 13F price*
At the end of Q3 2025, 18 institutions reported holding Horizon Space Acquisition-28 (HSPWF) in their 13F filings, unchanged from Q2 2025. 1 opened new positions and 1 sold out. The largest holders were Hudson Bay Capital Management LP ($28K), Meteora Capital, LLC ($28K) and Shaolin Capital Management LLC ($26K).
- Company
- Horizon Space Acquisition-28
- CUSIP
- G4619M117
- Latest filing quarter
- Q1 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $20K |
| Exits | 1 | $23K |
All 13F filers, Q2 2025 → Q3 2025: 688,367 shares bought and 565,969 shares sold, net +122,398 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 18 holders
| Hudson Bay Capital Management LP | — | No change | 419,586 | $28K |
| Meteora Capital, LLC | — | Add +159.5% | 550,569 | $28K |
| Shaolin Capital Management LLC | — | No change | 375,000 | $26K |
| Clear Street Group Inc. | — | — | 303,760 | $21K |
| Aristeia Capital, L.L.C. | — | New | 350,000 | $20K |
| Harraden Circle Investments, LLC | — | No change | 321,694 | $19K |
| Polar Asset Management Partners Inc. | — | No change | 275,000 | $18K |
| Yakira Capital Management, Inc. | — | No change | 250,000 | $17K |
| AQR Arbitrage LLC | — | No change | 246,133 | $16K |
| Weiss Asset Management LP | — | No change | 240,000 | $16K |
| Wolverine Asset Management LLC | — | Reduce -1.4% | 210,025 | $15K |
| Rivernorth Capital Management, LLC | — | No change | 214,357 | $11K |
| Periscope Capital Inc. | — | No change | 180,900 | $11K |
| Toronto Dominion Bank | — | Reduce -0.2% | 124,198 | $7K |
| LMR Partners LLP | — | No change | 100,000 | $7K |
| Mint Tower Capital Management B.V. | — | No change | 75,000 | $5K |
| GABELLI & Co INVESTMENT ADVISERS, INC. | — | No change | 67,700 | $5K |
| Mizuho Securities USA LLC | — | No change | 50,000 | $500 |
"% of holder's portfolio" is HSPWF's weight in each manager's 13F, not the share of Horizon Space Acquisition-28 the manager owns.