6 institutions reported holding $628,120 of HORIZON SPACE ACQUISITION II (HSPTU) in SEC 13F filings for 2026-03-31. Largest institutional holders: SkyView Investment Advisors, LLC ($324,000), UBS Group AG ($303,216), OSAIC HOLDINGS, INC. ($904), Clear Street Group Inc. ($0), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SkyView Investment Advisors, LLC | $324,000 | 50,000 | New |
| 2 | UBS Group AG | $303,216 | 87,131 | Trimmed |
| 3 | OSAIC HOLDINGS, INC. | $904 | 260 | New |
| 4 | Clear Street Group Inc. | $0 | 0 | Exited |
| 5 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $0 | 0 | Exited |
| 6 | FLOW TRADERS U.S. LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31