13F

Stock

Sionna Therapeutics, Inc.

SION · held by 4 managers

Reported value

$1.38M

Holders

4

+0 new · −0 exited

Holders’ est. mark

$212.8K

Price effect on 1 books still in the name

Largest holder

$671.6K

MORGAN STANLEY

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
MORGAN STANLEY22.8K$671.6KHeld
BARCLAYS PLC17.6K$518.9K$212.8KAdded$119.4K
BANK OF AMERICA CORP /DE/6.54K$192.4KHeld
Allworth Financial LP22$648Held

Positions as of Q3 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.