Horizon Space Acquisition-RTHSPRFPreferred / convertible
13F holders, Q2 2025 (June 30)17holders +1
1new positions
0sold out
$0.15avg. 13F price*
At the end of Q2 2025, 17 institutions reported holding Horizon Space Acquisition-RT (HSPRF) in their 13F filings, up 1 from Q1 2025. 1 opened new positions and 0 sold out. The largest holders were Harraden Circle Investments, LLC ($263K), Clear Street LLC ($59K) and AQR Arbitrage LLC ($44K).
- Company
- Horizon Space Acquisition-RT
- CUSIP
- G4619M125
- Latest filing quarter
- Q4 2025
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $2K |
| Exits | 0 | $0 |
All 13F filers, Q1 2025 → Q2 2025: 34,642 shares bought and 54,729 shares sold, net −20,087 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 17 holders
| Harraden Circle Investments, LLC | — | No change | 1,754,525 | $263K |
| Clear Street LLC | — | Add +2.4% | 392,649 | $59K |
| AQR Arbitrage LLC | — | No change | 246,133 | $44K |
| Polar Asset Management Partners Inc. | — | No change | 275,000 | $41K |
| Yakira Capital Management, Inc. | — | No change | 250,000 | $38K |
| Rivernorth Capital Management, LLC | — | No change | 214,357 | $32K |
| Wolverine Asset Management LLC | — | Reduce -1.1% | 211,503 | $32K |
| Highbridge Capital Management LLC | — | Add +0.8% | 161,286 | $29K |
| Periscope Capital Inc. | — | No change | 180,900 | $27K |
| Shaolin Capital Management LLC | — | Reduce -25.0% | 150,000 | $23K |
| Toronto Dominion Bank | — | Add +0.7% | 117,551 | $18K |
| LMR Partners LLP | — | No change | 100,000 | $15K |
| Mint Tower Capital Management B.V. | — | No change | 75,000 | $11K |
| GABELLI & Co INVESTMENT ADVISERS, INC. | — | No change | 67,700 | $10K |
| UBS Group AG | — | Reduce -5.6% | 37,901 | $6K |
| Meteora Capital, LLC | — | Add +70.9% | 20,850 | $3K |
| Flow Traders U.S. LLC | — | New | 14,905 | $2K |
"% of holder's portfolio" is HSPRF's weight in each manager's 13F, not the share of Horizon Space Acquisition-RT the manager owns.