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% 9,773,616 0.28
Lee Ainslie - Maverick Capital Sell 100.00% 6,290,713 0.22
Q2  2023
Seth Klarman - Baupost Group Add 7.12% 650,000 0.02
Q1  2023
Seth Klarman - Baupost Group Add 12.31% 1,000,000 0.05
Lee Ainslie - Maverick Capital Reduce 0.00% 300 0.00
Q4  2022
Lee Ainslie - Maverick Capital Reduce 19.92% 1,564,811 0.12
Q1  2022
Seth Klarman - Baupost Group Reduce 4.17% 353,872 0.04
Q3  2021
Lee Ainslie - Maverick Capital Add 1.96% 151,148 0.03
Q2  2021
Lee Ainslie - Maverick Capital Add 14.32% 965,274 0.14
Q1  2021
Seth Klarman - Baupost Group Reduce 6.93% 631,500 0.07
Lee Ainslie - Maverick Capital Reduce 7.99% 585,137 0.08
Q4  2020
Lee Ainslie - Maverick Capital Add 8.57% 578,247 0.18
Seth Klarman - Baupost Group Reduce 8.19% 813,042 0.15
Q3  2020
Lee Ainslie - Maverick Capital Reduce 0.12% 7,810 0.00
Q2  2020
Lee Ainslie - Maverick Capital Add 29.89% 1,554,205 0.48
Seth Klarman - Baupost Group Add 19.41% 1,613,130 0.29
Q1  2020
Lee Ainslie - Maverick Capital Add 4.87% 241,466 0.04
Q4  2019
Lee Ainslie - Maverick Capital Reduce 2.85% 145,532 0.03
Q3  2019
Lee Ainslie - Maverick Capital Add 128.62% 2,871,487 0.60
Seth Klarman - Baupost Group Add 18.70% 1,308,900 0.22
Q2  2019
Lee Ainslie - Maverick Capital Add 156.38% 1,361,712 0.40
Seth Klarman - Baupost Group Add 9.71% 619,481 0.12
Q1  2019
Seth Klarman - Baupost Group Add 2.01% 125,887 0.04
Lee Ainslie - Maverick Capital Buy 870,764 0.46
Q1  2018
Seth Klarman - Baupost Group Add 16.70% 895,000 0.34
Q3  2015
Seth Klarman - Baupost Group Add 11.44% 550,000 0.29
Q2  2015
Seth Klarman - Baupost Group Add 0.97% 46,367 0.04
Q1  2015
Seth Klarman - Baupost Group Add 90.84% 2,267,352 1.58
Q4  2014
Seth Klarman - Baupost Group Buy 2,495,913 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.