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Baupost Group

Superinvestor

Baupost Group LLC

SEC CIK
0001061768
Manager
Seth Klarman
Style
Value
Latest filing
Aug 13, 2026

ATRA holding history

Atara Biotherapeutics, Inc. in every 13F filed by Baupost Group, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ATRA overviewAll 13F holders of ATRAFull Q2 2026 holdings

Shares (Q4 2023)
0
Sold out in Q4 2023
Value
$0
% of portfolio
0.0%
Quarters held
11
Since Q1 2021
Holdings of ATRA by Baupost Group, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 20230$00.0%−9,773,616−100.0%Sold outHolders
Q3 20239,773,616$14.5M0.3%00.0%UnchangedHolders
Q2 20239,773,616$15.7M0.3%+650,000+7.1%AddedHolders
Q1 20239,123,616$26.5M0.5%+1,000,000+12.3%AddedHolders
Q4 20228,123,616$26.6M0.4%00.0%UnchangedHolders
Q3 20228,123,616$30.7M0.5%00.0%UnchangedHolders
Q2 20228,123,616$63.3M0.9%00.0%UnchangedHolders
Q1 20228,123,616$75.5M0.8%−353,872−4.2%ReducedHolders
Q4 20218,477,488$133.6M1.3%00.0%UnchangedHolders
Q3 20218,477,488$151.7M1.4%00.0%UnchangedHolders
Q2 20218,477,488$131.8M1.1%00.0%UnchangedHolders
Q1 20218,477,488$121.7M1.0%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.