Holding/activity history for  Atara Biotherapeutics Inc. (ATRA)
Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price |
2023   Q4 | 0 | 0 | Sell 100.00% | 0.28 | |
2023   Q3 | 9,773,616 | 0.28 | $1.48 | ||
2023   Q2 | 9,773,616 | 0.28 | Add 7.12% | 0.02 | $1.61 |
2023   Q1 | 9,123,616 | 0.47 | Add 12.31% | 0.05 | $2.90 |
2022   Q4 | 8,123,616 | 0.45 | $3.28 | ||
2022   Q3 | 8,123,616 | 0.55 | $3.78 | ||
2022   Q2 | 8,123,616 | 0.97 | $7.79 | ||
2022   Q1 | 8,123,616 | 0.83 | Reduce 4.17% | 0.04 | $9.29 |
2021   Q4 | 8,477,488 | 1.35 | $15.76 | ||
2021   Q3 | 8,477,488 | 1.43 | $17.90 | ||
2021   Q2 | 8,477,488 | 1.07 | $15.55 | ||
2021   Q1 | 8,477,488 | 0.97 | Reduce 6.93% | 0.07 | $14.36 |
2020   Q4 | 9,108,988 | 1.65 | Reduce 8.19% | 0.15 | $19.63 |
2020   Q3 | 9,922,030 | 1.39 | $12.96 | ||
2020   Q2 | 9,922,030 | 1.81 | Add 19.41% | 0.29 | $14.57 |
2020   Q1 | 8,308,900 | 1.05 | $8.51 | ||
2019   Q4 | 8,308,900 | 1.59 | $16.47 | ||
2019   Q3 | 8,308,900 | 1.38 | Add 18.70% | 0.22 | $14.12 |
2019   Q2 | 7,000,000 | 1.31 | Add 9.71% | 0.12 | $20.11 |
2019   Q1 | 6,380,519 | 2.20 | Add 2.01% | 0.04 | $39.75 |
2018   Q4 | 6,254,632 | 1.95 | $34.74 | ||
2018   Q3 | 6,254,632 | 2.03 | $41.35 | ||
2018   Q2 | 6,254,632 | 2.07 | $36.75 | ||
2018   Q1 | 6,254,632 | 2.37 | Add 16.70% | 0.34 | $39.00 |
2017   Q4 | 5,359,632 | 0.96 | $18.10 | ||
2017   Q3 | 5,359,632 | 1.11 | $16.55 | ||
2017   Q2 | 5,359,632 | 0.86 | $14.00 | ||
2017   Q1 | 5,359,632 | 1.31 | $20.55 | ||
2016   Q4 | 5,359,632 | 1.00 | $14.20 | ||
2016   Q3 | 5,359,632 | 1.64 | $21.39 | ||
2016   Q2 | 5,359,632 | 1.65 | $22.51 | ||
2016   Q1 | 5,359,632 | 1.49 | $19.03 | ||
2015   Q4 | 5,359,632 | 2.60 | $26.41 | ||
2015   Q3 | 5,359,632 | 2.84 | Add 11.44% | 0.29 | $31.44 |
2015   Q2 | 4,809,632 | 4.29 | Add 0.97% | 0.04 | $52.76 |
2015   Q1 | 4,763,265 | 3.32 | Add 90.84% | 1.58 | $40.48 |
2014   Q4 | 2,495,913 | 1.20 | Buy | 1.20 | $23.69 |