13F

Stock

MBX Biosciences, Inc.

MBX · held by 2 managers

Reported value

$668K

Holders

2

+0 new · −0 exited

Holders’ est. mark

$47.6K

Price effect on 1 books still in the name

Largest holder

$668K

BARCLAYS PLC

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BARCLAYS PLC58.5K$668K$47.6KAdded$580.7K
Essential Partners LLC2$23Held

Positions as of Q2 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.