OS Therapies Inc
OSTX- Exchange
- NYSE
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001795091
No open-market purchases or sales by OS Therapies Inc insiders were filed in the last 90 days; 29 institutions reported holding it in 13F filings for Q2 2026, worth $5.50M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in OS Therapies Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 29
- 0 vs. Q1 2026
- Shares held
- 2.90M
- −1.63K (−0.1%) vs. Q1 2026
- Total value
- $5.50M
- +$1.42M (+34.7%) vs. Q1 2026
- New holders
- 6
- 15 more added
- Sold out
- 6
- 3 more reduced
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting OSTX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 29 | $5.50M |
| Q1 2026 | 29 | $4.09M |
| Q4 2025 | 25 | $2.49M |
| Q3 2025 | 25 | $3.07M |
| Q2 2025 | 13 | $1.13M |
| Q1 2025 | 6 | $599.3K |
| Q4 2024 | 5 | $620.6K |
| Q3 2024 | 7 | $447.8K |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding OS Therapies Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 777,651 | $1.48M | 0.00% | +308,184+65.6% | Added |
| CM Management, LLC | 400,000 | $760.0K | 0.48% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 301,794 | $573.4K | 0.00% | +21,749+7.8% | Added |
| Howard Financial Services, Ltd. | 248,001 | $471.2K | 0.05% | +2,565+1.0% | Added |
| BlackRock, Inc. | 242,479 | $460.7K | 0.00% | +177,707+274.4% | Added |
| Vanguard Fiduciary Trust Co | 174,132 | $330.9K | 0.00% | +57,469+49.3% | Added |
| State Street Corp | 120,100 | $228.2K | 0.00% | +28,900+31.7% | Added |
| Marshall Wace, LLP | 100,640 | $191.2K | 0.00% | +100,640 | New |
| HighTower Advisors, LLC | 85,550 | $162.5K | 0.00% | +70,350+462.8% | Added |
| Northern Trust Corp | 70,817 | $134.6K | 0.00% | +4,763+7.2% | Added |
| Beacon Pointe Advisors, LLC | 62,507 | $118.8K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 45,000 | $85.5K | 0.00% | +20,000+80.0% | Added |
| Ingalls & Snyder LLC | 36,676 | $70.0K | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 30,414 | $57.8K | 0.00% | +4,034+15.3% | Added |
| Stifel Financial Corp | 27,900 | $53.0K | 0.00% | +12,900+86.0% | Added |
| Jane Street Group, LLC | 26,999 | $51.3K | 0.00% | −13,317−33.0% | Reduced |
| Axq Capital, LP | 24,623 | $46.8K | 0.01% | +24,623 | New |
| Vanguard Global Advisers, LLC | 20,958 | $39.8K | 0.00% | 00.0% | Unchanged |
| Stratos Wealth Advisors, LLC | 19,314 | $36.7K | 0.00% | +5,497+39.8% | Added |
| Quadrature Capital Ltd | 15,662 | $29.8K | 0.00% | +15,662 | New |
| Jones Financial Companies LLLP | 14,501 | $27.3K | 0.00% | +1,580+12.2% | Added |
| Susquehanna International Group, LLP | 13,532 | $25.7K | 0.00% | −435,205−97.0% | Reduced |
| Morgan Stanley | 13,000 | $24.7K | 0.00% | +3,510+37.0% | Added |
| UBS Group AG | 8,813 | $16.7K | 0.00% | −339,865−97.5% | Reduced |
| Rockefeller Capital Management L.P. | 7,500 | $14.3K | 0.00% | +7,500 | New |
| Steward Partners Investment Advisory, LLC | 5,681 | $10.8K | 0.00% | +5,681 | New |
| Barclays PLC | 1,534 | $2.92K | 0.00% | +1,534 | New |
| Armstrong Advisory Group, Inc | 100 | $190 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 63 | $120 | 0.00% | +46+270.6% | Added |
| Sanders Morris Harris LLC | 0 | $0 | 0.00% | −32,000−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −31,622−100.0% | Sold out |
| Mercer Global Advisors Inc | 0 | $0 | 0.00% | −10,220−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −10,113−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −4,179−100.0% | Sold out |
| FMR LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |