Horizon Space Acquisition I Corp.
HSPOF- Exchange
- OTC
- Industry
- Blank Checks
- SEC CIK
- 0001946021
No open-market purchases or sales by Horizon Space Acquisition I Corp. insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Q4 2025 vs. Q3 2025
How the institutions holding Horizon Space Acquisition I Corp. changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Q4 2025 | Change |
|---|---|---|---|
| Holders | 13 | 0 | −13 |
| Shares | 1.74M | 0 | −1.74M (−100.0%) |
| Value | $21.4M | $0 | −$21.4M (−100.0%) |
New holders (0)
Institutions that held Horizon Space Acquisition I Corp. at the end of Q4 2025 but not at the end of Q3 2025.
None.
Sold out (13)
Institutions that held Horizon Space Acquisition I Corp. at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Mizuho Securities USA LLC | 375,209 | $4.59M |
| Wolverine Asset Management LLC | 365,655 | $4.50M |
| Vivaldi Asset Management, LLC | 300,000 | $3.70M |
| Westchester Capital Management, LLC | 297,000 | $3.66M |
| Berkley W R Corp | 205,129 | $2.53M |
| Polar Asset Management Partners Inc. | 150,000 | $1.85M |
| Quarry LP | 17,237 | $212.9K |
| UBS Group AG | 11,649 | $143.5K |
| Toronto Dominion Bank | 10,000 | $123.2K |
| Clear Street Group Inc. | 4,764 | $58.7K |
| Crossingbridge Advisors, LLC | 633 | $7.80K |
| PenderFund Capital Management Ltd. | 269 | $3.31K |
| Morgan Stanley | 15 | $185 |