13F

Stock

OS Therapies Inc

OSTX · held by 25 managers

Reported value

$2.43M

Holders

25

+2 new · −0 exited

Holders’ est. mark

−$560

Price effect on 1 books still in the name

Largest holder

$756.6K

Vanguard

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Vanguard540.4K$756.6KHeld
CM Management, LLC400K$560KHeld
GEODE CAPITAL MANAGEMENT, LLC246K$344.5KHeld
MARSHALL WACE, LLP109.9K$153.9KHeld
TWO SIGMA INVESTMENTS, LP87.5K$122.6KHeld
NORTHERN TRUST CORP71.3K$99.8KHeld
BlackRock, Inc.61.4K$86KHeld
State Street58.5K$81.9KHeld
MILLENNIUM MANAGEMENT LLC30.8K$43.1KHeld
JANE STREET GROUP, LLC27.7K$38.8KHeld
BRIDGEWAY CAPITAL MANAGEMENT, LLC25K$35KHeld
UBS Group AG18.2K$25.4KHeld
STIFEL FINANCIAL CORP15K$21KHeld
Stratos Wealth Advisors, LLC13.8K$19.3KHeld
JONES FINANCIAL COMPANIES LLLP10.9K$15.2KHeld
MERCER GLOBAL ADVISORS INC /ADV10.2K$14.3KHeld
LPL Financial LLC10.1K$14.2KHeld
MORGAN STANLEY1K$1.4K−$560Cut−$560
ROYAL BANK OF CANADA480$1KHeld
ARMSTRONG ADVISORY GROUP, INC100$140Held
Tower Research Capital LLC (TRC)88$123Held
INGALLS & SNYDER LLC36.7K$51Held
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO25$35Held
BANK OF AMERICA CORP /DE/23$32New
FNY Investment Advisers, LLC100$0New

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.