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OSTX

OS Therapies Inc
OSTX

6 hedge funds and large institutions have $599K invested in OS Therapies Inc in 2025 Q1 according to their latest regulatory filings, with 2 funds opening new positions, 2 increasing their positions, 1 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more first-time investments, than exits

New positions opened: 2 | Existing positions closed: 1

100% more repeat investments, than reductions

Existing positions increased: 2 | Existing positions reduced: 1

20% more funds holding

Funds holding: 5 → 6 (+1)

1.11% more ownership

Funds ownership: 0.68% → 1.79% (+1.1%)

3% less capital invested

Capital invested by funds: $621K → $599K (-$21.3K)

Holders
6
Holders Change
+1
Holders Change %
+20%
% of All Funds
0.08%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
2
Increased
2
Reduced
1
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
CM
CM Management
Florida
+$446K
2
ISL
Ingalls & Snyder LLC
New York
+$86K
3
BlackRock
BlackRock
New York
+$80.6K
4
Stifel Financial
Stifel Financial
Missouri
+$35.2K

Top Sellers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
-$128K
2
Morgan Stanley
Morgan Stanley
New York
-$4.41K

OSTX Hedge Fund Activity: Q1 2025 in Review

6 of the 7,473 institutional investors tracked by Wall St. Rank reported a position in OS Therapies Inc (OSTX) for Q1 2025, worth a combined $599K — down 3.4% from $621K a quarter earlier.

Buyers outnumbered sellers: 2 funds opened new OSTX positions and 1 closed out — a net gain of 1 holder — while 2 added to existing stakes and 1 trimmed.

The largest buyer was CM Management, adding an estimated $446K. The largest seller was Millennium Management, exiting entirely with an estimated $128K sold.

  • 6 institutional investors held OS Therapies Inc (OSTX) as of Q1 2025, up from 5 in Q4 2024.
  • Funds reported $599K of OS Therapies Inc stock for Q1 2025, down 3.4% quarter-over-quarter.
  • 2 funds opened new OS Therapies Inc positions in Q1 2025 and 1 closed out, a net change of +1 holder.
  • The largest OS Therapies Inc buyer in Q1 2025 was CM Management, an estimated $446K added.
  • The largest OS Therapies Inc seller in Q1 2025 was Millennium Management, an estimated $128K sold.

Based on aggregated 13F filings for Q1 2025.