12 institutions reported holding $223,273 of HORIZON SPACE ACQUISITION II (HSPT) in SEC 13F filings for 2026-06-30. Largest institutional holders: Westchester Capital Management, LLC ($223,273), D. E. Shaw & Co., Inc. ($0), GLAZER CAPITAL, LLC ($0), TWO SIGMA INVESTMENTS, LP ($0), RIVERNORTH CAPITAL MANAGEMENT, LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Westchester Capital Management, LLC | $223,273 | 21,004 | Hold |
| 2 | D. E. Shaw & Co., Inc. | $0 | 0 | Exited |
| 3 | GLAZER CAPITAL, LLC | $0 | 0 | Exited |
| 4 | TWO SIGMA INVESTMENTS, LP | $0 | 0 | Exited |
| 5 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $0 | 0 | Exited |
| 6 | UBS Group AG | $0 | 0 | Exited |
| 7 | L1 Global Manager Pty Ltd | $0 | 0 | Exited |
| 8 | Clear Street Group Inc. | $0 | 0 | Exited |
| 9 | Quarry LP | $0 | 0 | Exited |
| 10 | RLH Capital LLC | $0 | 0 | Exited |
| 11 | MORGAN STANLEY | $0 | 0 | Exited |
| 12 | COOPERMAN LEON G | $0 | 0 | Exited |
来源：SEC 13F 申报文件 · 截至 2026-06-30