Horizon Space Acquisition-28HSPWFPreferred / convertible
13F holders, Q1 2025 (March 31)17holders −1
1new positions
2sold out
1famous investor
$0.02avg. 13F price*
At the end of Q1 2025, 17 institutions reported holding Horizon Space Acquisition-28 (HSPWF) in their 13F filings, down 1 from Q4 2024. 1 opened new positions and 2 sold out. The largest holders were Walleye Trading LLC ($10K), Hudson Bay Capital Management LP ($7K) and Shaolin Capital Management LLC ($7K). One famous investor held it Ken Griffin ( of Citadel Advisors's portfolio).
- Company
- Horizon Space Acquisition-28
- CUSIP
- G4619M117
- Latest filing quarter
- Q1 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $183 |
| Exits | 2 | $2K |
All 13F filers, Q4 2024 → Q1 2025: 35,169 shares bought and 151,416 shares sold, net −116,247 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 17 holders
| Walleye Trading LLC | — | Reduce -6.3% | 562,769 | $10K |
| Hudson Bay Capital Management LP | — | No change | 419,586 | $7K |
| Shaolin Capital Management LLC | — | Add +7.1% | 375,000 | $7K |
| Harraden Circle Investments, LLC | — | No change | 321,694 | $6K |
| Clear Street LLC | — | Reduce -0.1% | 309,060 | $6K |
| Polar Asset Management Partners Inc. | — | No change | 275,000 | $5K |
| Yakira Capital Management, Inc. | — | No change | 250,000 | $4K |
| AQR Arbitrage LLC | — | No change | 246,133 | $4K |
| Weiss Asset Management LP | — | No change | 240,000 | $4K |
| Wolverine Asset Management LLC | — | No change | 215,025 | $4K |
| Rivernorth Capital Management, LLC | — | No change | 214,357 | $4K |
| Periscope Capital Inc. | — | No change | 180,900 | $3K |
| LMR Partners LLP | — | No change | 100,000 | $2K |
| GABELLI & Co INVESTMENT ADVISERS, INC. | — | No change | 67,700 | $1K |
| Mint Tower Capital Management B.V. | — | No change | 75,000 | $1K |
| Meteora Capital, LLC | — | No change | 12,202 | $217 |
| Citadel Advisors | — | New | 10,169 | $183 |
"% of holder's portfolio" is HSPWF's weight in each manager's 13F, not the share of Horizon Space Acquisition-28 the manager owns.