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Fred Alger Management, LLC

SEC CIK
0000003520
Latest filing
Aug 14, 2026

PRTA holding history

Prothena Corp Public Ltd Co in every 13F filed by Fred Alger Management, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

PRTA overviewAll 13F holders of PRTAFull Q2 2026 holdings

Shares (Q2 2024)
0
Sold out in Q2 2024
Value
$0
% of portfolio
0.0%
Quarters held
4
Since Q1 2023
Holdings of PRTA by Fred Alger Management, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20240$00.0%−32,996−100.0%Sold outHolders
Q1 202432,996$817.3K<0.1%−728−2.2%ReducedHolders
Q4 202333,724$1.23M<0.1%+33,724NewHolders
Q3 20230$00.0%−22,064−100.0%Sold outHolders
Q2 202322,064$1.51M<0.1%+745+3.5%AddedHolders
Q1 202321,319$1.03M<0.1%+21,319NewHolders