Os TherapiesOSTX
13F holders, Q4 2024 (December 31)5holders −2
2new positions
4sold out
1famous investor
$4.28avg. 13F price*
At the end of Q4 2024, 5 institutions reported holding Os Therapies Inc. (OSTX) in their 13F filings, down 2 from Q3 2024. 2 opened new positions and 4 sold out. The largest holders were CM Management, LLC ($471K), Millennium Management ($128K) and BlackRock, Inc. ($13K). One famous investor held it Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Os Therapies Inc.
- CUSIP
- 68764Y207
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $22K |
| Exits | 4 | $138K |
All 13F filers, Q3 2024 → Q4 2024: 65,068 shares bought and 80,107 shares sold, net −15,039 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 5 holders
| CM Management, LLC | 0.42% | Add +120.1% | 110,044 | $471K |
| Millennium Management | 0.00% | Reduce -50.6% | 29,836 | $128K |
| BlackRock, Inc. | 0.00% | New | 3,143 | $13K |
| Morgan Stanley | 0.00% | New | 1,881 | $8K |
| Armstrong Advisory Group, Inc. | 0.00% | No change | 100 | $428 |
"% of holder's portfolio" is OSTX's weight in each manager's 13F, not the share of Os Therapies Inc. the manager owns.