2 institutions reported holding $471,202 of OS THERAPIES INCORPORATED (OSTX) in SEC 13F filings for 2026-06-30. Largest institutional holders: HOWARD FINANCIAL SERVICES, LTD. ($471,202), SANDERS MORRIS HARRIS LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | HOWARD FINANCIAL SERVICES, LTD. | $471,202 | 248,001 | Added |
| 2 | SANDERS MORRIS HARRIS LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30