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.
13F holders, Q4 2025
Institutional positions in Horizon Space Acquisition I Corp. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 0
- −13 vs. Q3 2025
- Shares held
- 0
- −1.74M (−100.0%) vs. Q3 2025
- Total value
- $0
- −$21.4M (−100.0%) vs. Q3 2025
- New holders
- 0
- 0 more added
- Sold out
- 13
- 0 more reduced
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting HSPOF on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 13 | $21.4M |
| Q2 2025 | 12 | $20.9M |
| Q1 2025 | 11 | $21.0M |
| Q4 2024 | 8 | $21.2M |
| Q3 2024 | 22 | $61.4M |
| Q2 2024 | 25 | $60.8M |
| Q1 2024 | 25 | $58.3M |
| Q4 2023 | 28 | $64.2M |
| Q3 2023 | 31 | $65.7M |
| Q2 2023 | 27 | $57.0M |
| Q1 2023 | 25 | $61.2M |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Horizon Space Acquisition I Corp.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mizuho Securities USA LLC | 0 | $0 | 0.00% | −375,209−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −365,655−100.0% | Sold out |
| Vivaldi Asset Management, LLC | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Westchester Capital Management, LLC | 0 | $0 | 0.00% | −297,000−100.0% | Sold out |
| Berkley W R Corp | 0 | $0 | 0.00% | −205,129−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −17,237−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −11,649−100.0% | Sold out |
| Toronto Dominion Bank | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Clear Street Group Inc. | 0 | $0 | 0.00% | −4,764−100.0% | Sold out |
| Crossingbridge Advisors, LLC | 0 | $0 | 0.00% | −633−100.0% | Sold out |
| PenderFund Capital Management Ltd. | 0 | $0 | 0.00% | −269−100.0% | Sold out |
| Morgan Stanley | 0 | $0 | 0.00% | −15−100.0% | Sold out |