13F

Stock

Impact Biomedical Inc.

IBO · held by 24 managers

Reported value

$720.3K

Holders

24

+0 new · −0 exited

Holders’ est. mark

−$1.51K

Price effect on 3 books still in the name

Largest holder

$411.5K

Vanguard

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Vanguard814.9K$411.5KHeld
BlackRock, Inc.259.9K$131.3KHeld
MILLENNIUM MANAGEMENT LLC137.8K$69.6KHeld
GEODE CAPITAL MANAGEMENT, LLC74.4K$37.6KHeld
TWO SIGMA INVESTMENTS, LP39.8K$20.1KHeld
TWO SIGMA SECURITIES, LLC22.7K$11.5KHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP16.5K$8.33KHeld
JANE STREET GROUP, LLC14.1K$7.11KHeld
State Street11.8K$5.96KHeld
NORTHERN TRUST CORP10.2K$5.16KHeld
Mason & Associates Inc10K$5.05KHeld
MORGAN STANLEY9.27K$4.68K−$1.48KCut−$1.48K
UBS Group AG2.17K$1.09KHeld
Tower Research Capital LLC (TRC)1.43K$720Held
BANK OF AMERICA CORP /DE/924$467−$26Added$356
WELLS FARGO & COMPANY/MN224$113Held
Newbridge Financial Services Group, Inc.86$43Held
HRT FINANCIAL LP13.5K$6Held
DANSKE BANK A/S3$2$0Held
Signature Resources Capital Management, LLC4$2Held
CITIGROUP INC1$1Held
GROUP ONE TRADING LLC1$1Held
CWM, LLC28$0Held
ROYAL BANK OF CANADA32$0Held

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.