Who Owns OS Therapies Incorporated (OSTX)?Hedge Fund & Institutional Holders
Institutional Holders
31
as of Q4 2025
Total Institutional Value
$5.600001900018001e+38T
% of Float Held
—
QoQ Change in Holders
+7 / -7
Price History
OSTX — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| UBS Group AG | Increased | +18K | +$23.6M |
| Stratos Wealth Advisors, LLC | New Position | +14K | +$19.0M |
| ROYAL BANK OF CANADA | New Position | +480 | +$0 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | +58K | +$0 |
| LPL Financial LLC | New Position | +10K | +$0 |
| JANE STREET GROUP, LLC | New Position | +28K | +$0 |
| FNY Investment Advisers, LLC | New Position | +100 | +$0 |
| BANK OF AMERICA CORP /DE/ | New Position | +23 | +$0 |
| JONES FINANCIAL COMPANIES LLLP | New Position | +11K | +$0 |
| BlackRock, Inc. | Increased | +13K | +$-93K |
| STATE STREET CORP | Increased | +8K | +$-98K |
| VANGUARD GROUP INC | Increased | +352K | +$-368K |
| NORTHERN TRUST CORP | Increased | +15K | +$-110.3M |
| TWO SIGMA INVESTMENTS, LP | Increased | +1K | +$-169.0M |
OSTX — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| MARSHALL WACE, LLP | Decreased | -89K | -$389.2M |
| MILLENNIUM MANAGEMENT LLC | Decreased | -63K | -$183.4M |
| Ground Swell Capital, LLC | Closed Position | -20K | -$40.1M |
| MERCER GLOBAL ADVISORS INC /ADV | Decreased | -10K | -$40.1M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Closed Position | -15K | -$29.3M |
| TWO SIGMA SECURITIES, LLC | Closed Position | -10K | -$20.1M |
| Full Sail Capital, LLC | Closed Position | -10K | -$20.0M |
| Tower Research Capital LLC (TRC) | Decreased | -4K | -$8.2M |
| Virtu Financial LLC | Closed Position | -76K | -$149K |
| SANDERS MORRIS HARRIS LLC | Closed Position | -12K | -$23K |
| JPMORGAN CHASE & CO | Closed Position | -13 | -$0 |
Top Institutional Holders(Q4 2025)
OSTX Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 24 | $603.1M | +0 |
| Q3 2025 | 24 | $1.9B | +11 |
| Q2 2025 | 13 | $966.8M | +7 |
| Q1 2025 | 6 | $543.3M | +0 |
| Q4 2024 | 6 | $599.1M | +1 |
| Q3 2024 | 5 | $179.9M | — |
Similar Stocks by Institutional Ownership
As of Q4 2025, 31 institutional investors hold OSTX (OS Therapies Incorporated). The largest holder is CM Management, LLC with $560.0M in shares. This quarter, 7 institutions opened new positions and 7 closed their positions.
Frequently Asked Questions
How many hedge funds own OSTX?
As of Q4 2025, 31 institutional investors report holding OSTX (OS Therapies Incorporated) in their 13F filings.
Who is the largest institutional holder of OSTX?
The largest institutional holder of OSTX is CM Management, LLC with $560.0M in shares.
Is institutional ownership of OSTX increasing or decreasing?
This quarter, 7 institutions opened new positions in OSTX and 7 closed their positions.