Who Owns OS THERAPIES INCORPORATED (OSTX)? -- Institutional Holders (2026-06-30)
33 institutions reported holding $5.5M of OS THERAPIES INCORPORATED (OSTX) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($1.8M), CM Management, LLC ($760,000), GEODE CAPITAL MANAGEMENT, LLC ($573,408), HOWARD FINANCIAL SERVICES, LTD. ($471,202), BlackRock, Inc. ($460,710). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | VANGUARD GROUP INC | $1.8M | 972,741 | Added |
| 2 | CM Management, LLC | $760,000 | 400,000 | Hold |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $573,408 | 301,794 | Added |
| 4 | HOWARD FINANCIAL SERVICES, LTD. | $471,202 | 248,001 | Added |
| 5 | BlackRock, Inc. | $460,710 | 242,479 | Added |
| 6 | STATE STREET CORP | $228,190 | 120,100 | Added |
| 7 | MARSHALL WACE, LLP | $191,216 | 100,640 | New |
| 8 | HighTower Advisors, LLC | $162,545 | 85,550 | Added |
| 9 | NORTHERN TRUST CORP | $134,552 | 70,817 | Added |
| 10 | Beacon Pointe Advisors, LLC | $118,764 | 62,507 | Hold |
| 11 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $85,500 | 45,000 | Added |
| 12 | INGALLS & SNYDER LLC | $70,000 | 36,676 | Hold |
| 13 | TWO SIGMA INVESTMENTS, LP | $57,787 | 30,414 | Added |
| 14 | STIFEL FINANCIAL CORP | $53,010 | 27,900 | Added |
| 15 | JANE STREET GROUP, LLC | $51,298 | 26,999 | Trimmed |
| 16 | AXQ CAPITAL, LP | $46,784 | 24,623 | New |
| 17 | Stratos Wealth Advisors, LLC | $36,698 | 19,314 | Added |
| 18 | Quadrature Capital Ltd | $29,758 | 15,662 | New |
| 19 | JONES FINANCIAL COMPANIES LLLP | $27,262 | 14,501 | Added |
| 20 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $25,711 | 13,532 | Trimmed |
| 21 | MORGAN STANLEY | $24,700 | 13,000 | Added |
| 22 | UBS Group AG | $16,745 | 8,813 | Trimmed |
| 23 | Rockefeller Capital Management L.P. | $14,250 | 7,500 | New |
| 24 | Steward Partners Investment Advisory, LLC | $10,794 | 5,681 | New |
| 25 | BARCLAYS PLC | $2,915 | 1,534 | New |
Source: SEC Form 13F filings · as of 2026-06-30