OS THERAPIES INCORPORATED (OSTX) is held by 20 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is VANGUARD CAPITAL MANAGEMENT LLC as of Q1 2026.

Are institutions buying or selling OSTX?

In Q1 2026, 15 institutions opened or increased positions in OS THERAPIES INCORPORATED while 7 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on OSTX?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for OS THERAPIES INCORPORATED.

How many hedge funds hold OSTX?

20 institutional investors report holding OS THERAPIES INCORPORATED (OSTX) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into OSTX?

As of Q1 2026, tracked institutions in OS THERAPIES INCORPORATED show 15 buyers versus 7 sellers — net inflows.

OS THERAPIES INCORPORATED

OSTX·68764Y207·US·Common Stock·Healthcare - Biotechnology-Activist

Holders

Avg rating(5 Elite)

$3M

Total Value

68% (25)

Fund Consensus

15 buying - 7 selling

Smart Money Verdict

View all

Held by 20 funds

5 elite

Who's Trading

ActivistSAShalom Auerbach8.5%Aug 18, 2025

ActivistTAThomas A. Satterfield, Jr.9.4%Aug 13, 2025

ActivistAPAYALA PHARMACEUTICALS, INC.10.0%Apr 16, 2025

InsiderASAuerbach ShalomSell $14KApr 10, 2025

InsiderASAuerbach ShalomSell $68KApr 9, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
VAVANGUARD CAPITAL MANAGEMENT LLC	New	469,467	$661,948	0.0%	+20.00%	38
SUSQUEHANNA INTERNATIONAL GROUP, LLP	New	448,737	$632,719	0.0%	+20.00%	34
UBS Group AG	Increased	348,678(+1820.5%)	$491,636	0.0%	+19.62%	39
GEODE CAPITAL MANAGEMENT, LLC	Increased	280,045(+13.8%)	$394,863	0.0%	-7.97%	18
VFVANGUARD FIDUCIARY TRUST CO	New	116,663	$164,495	0.0%	+20.00%	34
STATE STREET CORP	Increased	91,200(+55.9%)	$128,592	0.0%	-3.65%	21
NORTHERN TRUST CORP	Decreased	66,054(-7.4%)	$93,136	0.0%	-11.50%	0
BlackRock, Inc.	Increased	64,772(+5.5%)	$91,329	0.0%	-7.10%	16
Beacon Pointe Advisors, LLC	New	62,507	$88,135	0.0%	+20.00%	30
JANE STREET GROUP, LLC	Increased	40,316(+45.3%)	$56,846	0.0%	+15.46%	19
XTX Topco Ltd	New	31,622	$44,587	0.0%	+20.00%	28
TWO SIGMA INVESTMENTS, LP	Decreased	26,380(-69.9%)	$37,196	0.0%	-16.09%	0
VGVanguard Global Advisers, LLC	New	20,958	$29,551	0.0%	+20.00%	30
HighTower Advisors, LLC	New	15,200	$21,432	0.0%	+20.00%	29
STIFEL FINANCIAL CORP	Unchanged	15,000	$21,150	0.0%	+3.70%	0
JONES FINANCIAL COMPANIES LLLP	Increased	12,921(+18.9%)	$18,219	0.0%	-6.15%	15
MGMERCER GLOBAL ADVISORS INC /ADV	Unchanged	10,220	$14,410	0.0%	-16.42%	0
LPL Financial LLC	Unchanged	10,113	$14,259	0.0%	+13.51%	0
MORGAN STANLEY	Increased	9,490(+849.0%)	$13,381	0.0%	+15.71%	20
FMR LLC	New	2	$2	0.0%	+20.00%	17