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.
Q3 2025 vs. Q2 2025
How the institutions holding OS Therapies Inc changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Q3 2025 | Change |
|---|---|---|---|
| Holders | 13 | 25 | +12 |
| Shares | 603.7K | 1.56M | +959.5K (+158.9%) |
| Value | $1.13M | $3.07M | +$1.93M (+170.2%) |
New holders (13)
Institutions that held OS Therapies Inc at the end of Q3 2025 but not at the end of Q2 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Marshall Wace, LLP | 198,552 | $389.2K | 0.00% |
| Vanguard Group Inc | 188,263 | $369.0K | 0.00% |
| Geode Capital Management, LLC | 187,688 | $367.9K | 0.00% |
| Millennium Management LLC | 93,574 | $183.4K | 0.00% |
| Two Sigma Investments, LP | 86,247 | $169.0K | 0.00% |
| Northern Trust Corp | 56,263 | $110.3K | 0.00% |
| State Street Corp | 50,300 | $98.6K | 0.00% |
| Ground Swell Capital, LLC | 20,462 | $40.1K | 0.09% |
| Mercer Global Advisors Inc | 20,440 | $40.1K | 0.00% |
| Susquehanna International Group, LLP | 14,961 | $29.3K | 0.00% |
| Sanders Morris Harris LLC | 12,000 | $23.5K | 0.00% |
| Two Sigma Securities, LLC | 10,237 | $20.1K | 0.00% |
| Jones Financial Companies LLLP | 7,867 | $16.1K | 0.00% |
Sold out (1)
Institutions that held OS Therapies Inc at the end of Q2 2025 and filed for Q3 2025 without it.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| XTX Topco Ltd | 33,489 | $63.0K |