13F

Stock

Prothena Corp Plc

Ticker not mapped · held by 7 managers

Reported value

$11.7M

Holders

7

+1 new · −0 exited

Holders’ est. mark

$361.9K

Price effect on 1 books still in the name

Largest holder

$7.8M

MORGAN STANLEY

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
MORGAN STANLEY799.7K$7.8MHeld
BANK OF AMERICA CORP /DE/277.1K$2.7MHeld
BARCLAYS PLC98.1K$957.2K$361.9KAdded$254K
TUDOR INVESTMENT CORP ET AL27.1K$264.2KHeld
Allworth Financial LP865$8.44KHeld
Essential Partners LLC333$3.25KNew
IFP Advisors, Inc15$146Held

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.