Atara Biotherapeutics Inc. (ATRA)

Sector:Health Care
Super Investor Stats:
Ownership count:0
Ownership rank:--
% of all portfolios:0%
History Portfolio Manager Activity Share change % change to portfolio
Q4  2023
Seth Klarman - Baupost Group Sell 100.00% 390,945 0.28
Lee Ainslie - Maverick Capital Sell 100.00% 251,629 0.22
Q2  2023
Seth Klarman - Baupost Group Add 7.12% 26,000 0.02
Q1  2023
Seth Klarman - Baupost Group Add 12.31% 40,000 0.05
Lee Ainslie - Maverick Capital Reduce 0.00% 12 0.00
Q4  2022
Lee Ainslie - Maverick Capital Reduce 19.92% 62,593 0.12
Q1  2022
Seth Klarman - Baupost Group Reduce 4.17% 14,155 0.04
Q3  2021
Lee Ainslie - Maverick Capital Add 1.96% 6,045 0.03
Q2  2021
Lee Ainslie - Maverick Capital Add 14.32% 38,610 0.14
Q1  2021
Lee Ainslie - Maverick Capital Reduce 7.99% 23,406 0.08
Seth Klarman - Baupost Group Reduce 6.93% 25,260 0.07
Q4  2020
Lee Ainslie - Maverick Capital Add 8.57% 23,129 0.18
Seth Klarman - Baupost Group Reduce 8.19% 32,522 0.15
Q3  2020
Lee Ainslie - Maverick Capital Reduce 0.12% 313 0.00
Q2  2020
Lee Ainslie - Maverick Capital Add 29.89% 62,168 0.48
Seth Klarman - Baupost Group Add 19.41% 64,525 0.29
Q1  2020
Lee Ainslie - Maverick Capital Add 4.87% 9,658 0.04
Q4  2019
Lee Ainslie - Maverick Capital Reduce 2.85% 5,822 0.03
Q3  2019
Lee Ainslie - Maverick Capital Add 128.62% 114,859 0.60
Seth Klarman - Baupost Group Add 18.70% 52,356 0.22
Q2  2019
Lee Ainslie - Maverick Capital Add 156.38% 54,468 0.40
Seth Klarman - Baupost Group Add 9.71% 24,779 0.12
Q1  2019
Lee Ainslie - Maverick Capital Buy 34,830 0.46
Seth Klarman - Baupost Group Add 2.01% 5,035 0.04
Q1  2018
Seth Klarman - Baupost Group Add 16.70% 35,800 0.34
Q3  2015
Seth Klarman - Baupost Group Add 11.44% 22,000 0.29
Q2  2015
Seth Klarman - Baupost Group Add 0.97% 1,854 0.04
Q1  2015
Seth Klarman - Baupost Group Add 90.84% 90,694 1.58
Q4  2014
Seth Klarman - Baupost Group Buy 99,836 1.20

* "Hold Price" is the last known price at which an investor still held a security. It is the closing price of the security as of the portfolio date (quarter end). This value is only provided when a security is owned by at least two investors. In the case of reporting dates being different, a weighted average price is calculated.