13F

Stock

Polaryx Therapeutics, Inc.

PLYX · held by 14 managers

Reported value

$17.1M

Holders

14

+11 new · −0 exited

Holders’ est. mark

Need a prior quarter

Largest holder

$12.5M

VANGUARD CAPITAL MANAGEMENT LLC

Notable conviction

Share of each notable manager’s 13F book.

Who holds it

Notable only
InvestorSharesValueEst. markChange
VANGUARD CAPITAL MANAGEMENT LLC1.66M$12.5MHeld
GEODE CAPITAL MANAGEMENT, LLC170.7K$1.29MNew
MILLENNIUM MANAGEMENT LLC127.5K$964.1KNew
VANGUARD FIDUCIARY TRUST CO104.6K$790.4KHeld
State Street58.1K$439.3KNew
BlackRock, Inc.41K$310.1KNew
NORTHERN TRUST CORP28K$211.6KNew
BANK OF AMERICA CORP /DE/25.9K$195.7KNew
GOLDMAN SACHS GROUP INC13.5K$101.9KNew
UBS Group AG13.5K$101.9KNew
Squarepoint Ops LLC12.4K$93.8KNew
Vanguard Global Advisers, LLC6.32K$47.8KHeld
MORGAN STANLEY5.54K$41.9KNew
Tower Research Capital LLC (TRC)1.78K$13.5KNew

Positions as of Q1 2026. 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.