Free Trial
The Market Does Not Wait. MarketBeat All Access for Just $149
Get the Deal
Claim MarketBeat All Access Sale Promotion

OS Therapies (OSTX) Institutional Ownership

OS Therapies logo
$1.76 +0.03 (+1.73%)
Closing price 04:10 PM Eastern
Extended Trading
$1.77 +0.01 (+0.62%)
As of 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
Compare

Institutional Ownership Changes (13F Filings) for OS Therapies (NYSEAMERICAN:OSTX)

Number of
Institutional Buyers
(last 12 months)
12
Total
Institutional Inflows
(last 12 months)
$859.27K
Number of
Institutional Sellers
(last 12 months)
2
Total
Institutional Outflows
(last 12 months)
$211.95K
Get OSTX Insider Trade Alerts

Want to know when executives and insiders are buying or selling OS Therapies stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Subscribe Now
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

OSTX Institutional Buying and Selling by Quarter

OS Therapies Major Shareholders & Ownership History

Export
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/18/2026 Millennium Management LLC30,785$43K0.0%-67.1%0.087%
2/13/2026 Marshall Wace LLP109,949$154K0.0%-44.6%0.312%
2/13/2026 State Street Corp58,500$82K0.0%+16.3%0.166%
2/12/2026 Jane Street Group LLC27,740$39K0.0%N/A0.079%
2/9/2026 Geode Capital Management LLC246,038$344K0.0%+31.1%0.699%
11/17/2025 Susquehanna International Group LLP14,961$29K0.0%N/A0.047%
11/17/2025 Mercer Global Advisors Inc. ADV20,440$40K0.0%N/A0.065%
11/17/2025 Millennium Management LLC93,574$183K0.0%N/A0.296%
11/14/2025 Virtu Financial LLC75,801$149K0.0%+252.0%0.239%
11/14/2025 Two Sigma Investments LP86,247$169K0.0%N/A0.273%
11/13/2025 CM Management LLC400,000$784K0.6%+6.7%1.264%
11/6/2025 Ground Swell Capital LLC20,462$40K0.1%N/A0.065%
8/15/2025 Bridgeway Capital Management LLC25,000$47K0.0%N/A0.089%
8/12/2025 XTX Topco Ltd33,489$63K0.0%N/A0.119%
5/9/2025CM Management LLC300,000$462K0.5%+172.6%1.385%
2/17/2025Millennium Management LLC29,836$128K0.0%-50.6%0.136%
2/7/2025CM Management LLC110,044$471K0.4%+120.1%0.511%
11/20/2024Virtu Financial LLC10,045$28K0.0%N/A0.047%


OSTX Institutional Ownership - Frequently Asked Questions

During the previous two years, 13 institutional investors and hedge funds held shares of OS Therapies. The most heavily invested institutionals were CM Management LLC ($784K), Geode Capital Management LLC ($344K), Two Sigma Investments LP ($169K), Marshall Wace LLP ($154K), Virtu Financial LLC ($149K), State Street Corp ($82K), and XTX Topco Ltd ($63K).Learn more on OS Therapies' institutional investors.

Of the 12 institutional investors that purchased OS Therapies' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: CM Management LLC ($275K), Millennium Management LLC ($93.57K), Two Sigma Investments LP ($86.25K), Virtu Financial LLC ($64.31K), Geode Capital Management LLC ($58.35K), XTX Topco Ltd ($33.49K), and Jane Street Group LLC ($27.74K).

Institutional investors have bought a total of 467,732 shares in the last 24 months. This purchase volume represents approximately $859.27K in transactions.

The following institutional investors have sold OS Therapies stock in the last 24 months: Marshall Wace LLP ($88.60K), and Millennium Management LLC ($62.79K).

Institutional investors have sold a total of 151,392 shares in the last 24 months. This volume of shares sold represents approximately $211.95K in transactions.


Related Companies

This page (NYSEAMERICAN:OSTX) was last updated on 5/19/2026 by MarketBeat.com Staff.
From Our Partners
SpaceX eyes a 1.75 trillion valuation - here's what to know
Elon Musk's team has quietly filed confidential paperwork with the SEC for what Bloomberg estimates could be a...
Brownstone Research | Sponsoredtc pixel
Iran's New Leader Just Said Something That Should Terrify Every American
Iran's Supreme Leader has declared the Strait of Hormuz closed as leverage against the U.S. - and with 40% of ...
American Alternative | Sponsoredtc pixel
$30 stock to buy before Starlink goes public (WATCH NOW!)
In the next 3 minutes… James Altucher – legendary investor and venture capitalist… And someone who’s kno...
Paradigm Press | Sponsoredtc pixel
Trump's gold order: the announcement they won't put on the front page
On August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no deb...
Reagan Gold Group | Sponsoredtc pixel
My feud with Zohran Mamdani
Emmy-winning analyst releases his next big story Whitney Tilson shocked the nation on 60 Minutes when he ac...
Stansberry Research | Sponsoredtc pixel
Iran War Shock: What I Was Told In That Private Meeting
You’re Being LIED To About The Iran War Forget EVERYTHING you’ve heard about the Iran war. Especially th...
Banyan Hill Publishing | Sponsoredtc pixel
Why this tiny stock may move before the SpaceX IPO drops
The projected SpaceX and xAI S-1 filing hits the SEC on June 1st - and analyst Dylan Jovine says $1.75 trillio...
Behind the Markets | Sponsoredtc pixel
SpaceX IPO hides a much bigger story
The SpaceX IPO could be the biggest in history at $1.75 trillion - but the real story isn't the IPO itself. ...
Weiss Ratings | Sponsoredtc pixel