Seth Klarman - Baupost Group
Holding/activity history for Atara Biotherapeutics Inc (ATRA)
← All ATRA superinvestors
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2023 Q4 | 0 | 0.00 | Sell 100.00% | 0.28 | $4.97–45.75 · VW $19.19i | SEC | |
| 2023 Q3 | 390,945 | 0.28 | $37.00 | $14,465,000 | SEC | ||
| 2023 Q2 | 390,945 | 0.29 | Add 7.12% | 0.02 | $36.25–77.00 · VW $50.98i | $15,736,000 | SEC |
| 2023 Q1 | 364,945 | 0.47 | Add 12.31% | 0.05 | $66.50–141.00 · VW $97.88i | $26,458,000 | SEC |
| 2022 Q4 | 324,945 | 0.45 | $82.00 | $26,645,000 | SEC | ||
| 2022 Q3 | 324,945 | 0.55 | $94.50 | $30,707,000 | SEC | ||
| 2022 Q2 | 324,945 | 0.98 | $194.75 | $63,283,000 | SEC | ||
| 2022 Q1 | 324,945 | 0.84 | Reduce 4.17% | 0.06 | $206.00–423.25 · VW $311.83i | $75,468,000 | SEC |
| 2021 Q4 | 339,100 | 1.36 | $394.00 | $133,605,000 | SEC | ||
| 2021 Q3 | 339,100 | 1.41 | $447.50 | $151,747,000 | SEC | ||
| 2021 Q2 | 339,100 | 1.08 | $388.75 | $131,825,000 | SEC | ||
| 2021 Q1 | 339,100 | 0.98 | Reduce 6.93% | 0.12 | $336.75–546.25 · VW $431.92i | $121,737,000 | SEC |
| 2020 Q4 | 364,360 | 1.68 | Reduce 8.19% | 0.11 | $299.25–705.00 · VW $488.48i | $178,809,000 | SEC |
| 2020 Q3 | 396,881 | 1.39 | $324.00 | $128,590,000 | SEC | ||
| 2020 Q2 | 396,881 | 1.81 | Add 19.41% | 0.29 | $178.50–484.00 · VW $295.17i | $144,564,000 | SEC |
| 2020 Q1 | 332,356 | 1.05 | $212.75 | $70,709,000 | SEC | ||
| 2019 Q4 | 332,356 | 1.59 | $411.75 | $136,848,000 | SEC | ||
| 2019 Q3 | 332,356 | 1.46 | Add 18.70% | 0.23 | $287.50–536.25 · VW $372.13i | $117,322,000 | SEC |
| 2019 Q2 | 280,000 | 1.38 | Add 9.71% | 0.12 | $469.00–1,048.25 · VW $667.64i | $140,770,000 | SEC |
| 2019 Q1 | 255,221 | 2.28 | Add 2.01% | 0.05 | $696.25–1,049.25 · VW $916.87i | $253,626,000 | SEC |
| 2018 Q4 | 250,185 | 1.97 | $868.50 | $217,286,000 | SEC | ||
| 2018 Q3 | 250,185 | 2.03 | $1,033.75 | $258,629,000 | SEC | ||
| 2018 Q2 | 250,185 | 2.07 | $918.75 | $229,858,000 | SEC | ||
| 2018 Q1 | 250,185 | 2.38 | Add 16.70% | 0.34 | $415.00–1,247.50 · VW $909.06i | $243,931,000 | SEC |
| 2017 Q4 | 214,385 | 0.97 | $452.50 | $97,009,000 | SEC | ||
| 2017 Q3 | 214,385 | 1.13 | $413.75 | $88,702,000 | SEC | ||
| 2017 Q2 | 214,385 | 0.90 | $350.00 | $75,035,000 | SEC | ||
| 2017 Q1 | 214,385 | 1.33 | $513.75 | $110,140,000 | SEC | ||
| 2016 Q4 | 214,385 | 1.02 | $355.00 | $76,107,000 | SEC | ||
| 2016 Q3 | 214,385 | 1.69 | $534.75 | $114,643,000 | SEC | ||
| 2016 Q2 | 214,385 | 1.69 | $562.75 | $120,645,000 | SEC | ||
| 2016 Q1 | 214,385 | 1.51 | $475.75 | $101,994,000 | SEC | ||
| 2015 Q4 | 214,385 | 2.79 | $660.25 | $141,548,000 | SEC | ||
| 2015 Q3 | 214,385 | 3.01 | Add 11.44% | 0.31 | $762.25–1,639.00 · VW $1,182.44i | $168,507,000 | SEC |
| 2015 Q2 | 192,385 | 4.81 | Add 0.97% | 0.05 | $900.00–1,608.75 · VW $1,182.65i | $253,756,000 | SEC |
| 2015 Q1 | 190,531 | 3.55 | Add 90.84% | 1.69 | $430.00–1,091.50 · VW $703.81i | $192,802,000 | SEC |
| 2014 Q4 | 99,837 | 1.27 | Buy | 1.27 | $475.00–886.25 · VW $675.57i IPO/listing quarter |
$59,137,000 | SEC |