OS Therapies Inc
OSTX
14 hedge funds and large institutions have $1.14M invested in OS Therapies Inc in 2025 Q2 according to their latest regulatory filings, with 7 funds opening new positions, 3 increasing their positions, 1 reducing their positions, and 0 closing their positions.
2,975% more capital inflows, than outflows
Capital inflows: $374K | Capital outflows: $12.2K
200% more repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 1
100% more funds holding
Funds holding: 7 → 14 (+7)
0.36% more ownership
Funds ownership: 1.79% → 2.15% (+0.36%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CM
CM Management
Gulf Breeze,
Florida
|
+$126K |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$89K |
| 3 |
XTX Topco
George Town,
Cayman Islands
|
+$56.4K |
| 4 |
Bridgeway Capital Management
Houston,
Texas
|
+$42.1K |
| 5 |
Virtu Financial
New York
|
+$36.3K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$12.2K |
OSTX Hedge Fund Activity: Q2 2025 in Review
14 of the 7,627 institutional investors tracked by Wall St. Rank reported a position in OS Therapies Inc (OSTX) for Q2 2025, worth a combined $1.14M — up 89% from $601K a quarter earlier.
Buyers outnumbered sellers: 7 funds opened new OSTX positions and 0 closed out — a net gain of 7 holders — while 3 added to existing stakes and 1 trimmed.
The largest buyer was CM Management, adding an estimated $126K. The largest seller was BlackRock, cutting an estimated $12.2K.
- 14 institutional investors held OS Therapies Inc (OSTX) as of Q2 2025, up from 7 in Q1 2025.
- Funds reported $1.14M of OS Therapies Inc stock for Q2 2025, up 89% quarter-over-quarter.
- 7 funds opened new OS Therapies Inc positions in Q2 2025 and 0 closed out, a net change of +7 holders.
- The largest OS Therapies Inc buyer in Q2 2025 was CM Management, an estimated $126K added.
- The largest OS Therapies Inc seller in Q2 2025 was BlackRock, an estimated $12.2K sold.
Based on aggregated 13F filings for Q2 2025.