# HORIZON SPACE ACQUSTN I CORP (HSPOR)

> Institutional ownership reported to the SEC as of Q4 2025, from Form 13F filings. Source: https://holderbook.com/stocks/HSPOR/

- Reporting holders: 3
- Reported value: $9.7K
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [RIVERNORTH CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1447578-rivernorth-capital-management-llc/) | $6.7K | 214,357 | 0.0% | 11 |
| [Mint Tower Capital Management B.V.](https://holderbook.com/funds/1666606-mint-tower-capital-management-b-v/) | $2.0K | 75,000 | 0.0% | 12 |
| [FLOW TRADERS U.S. LLC](https://holderbook.com/funds/1466697-flow-traders-u-s-llc/) | $1.0K | 16,725 | 0.0% | 3 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q4 2025 | 3 | $9.7K |
| Q3 2025 | 17 | $690.5K |
| Q2 2025 | 17 | $652.3K |
| Q1 2025 | 16 | $616.2K |
| Q4 2024 | 17 | $478.3K |
| Q3 2024 | 17 | $209.9K |
| Q2 2024 | 20 | $241.6K |
| Q1 2024 | 20 | $225.6K |
| Q4 2023 | 21 | $321.1K |
| Q3 2023 | 23 | $638.6K |
| Q2 2023 | 20 | $528.0K |
| Q1 2023 | 19 | $550.4K |