ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 151 filers reported holding ATARA BIOTHERAPEUTICS INC in Q1 2021. The put-call ratio across all filers is 0.30 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $33,860 | -23.4% | 11,676 | -13.3% | 0.00% | – |
| Q4 2022 | $44,178 | +10.4% | 13,469 | +27.5% | 0.00% | – |
| Q3 2022 | $40,000 | -51.2% | 10,560 | 0.0% | 0.00% | – |
| Q2 2022 | $82,000 | -18.0% | 10,560 | -1.9% | 0.00% | – |
| Q1 2022 | $100,000 | -45.1% | 10,765 | -6.9% | 0.00% | -100.0% |
| Q4 2021 | $182,000 | -13.7% | 11,562 | -1.8% | 0.00% | 0.0% |
| Q3 2021 | $211,000 | +15.3% | 11,768 | +0.1% | 0.00% | 0.0% |
| Q2 2021 | $183,000 | +10.9% | 11,755 | +2.1% | 0.00% | 0.0% |
| Q1 2021 | $165,000 | -23.3% | 11,517 | +4.9% | 0.00% | 0.0% |
| Q4 2020 | $215,000 | +30.3% | 10,976 | -13.8% | 0.00% | 0.0% |
| Q3 2020 | $165,000 | -10.8% | 12,727 | 0.0% | 0.00% | -50.0% |
| Q2 2020 | $185,000 | +386.8% | 12,727 | +183.8% | 0.00% | – |
| Q1 2020 | $38,000 | -13.6% | 4,485 | +66.2% | 0.00% | – |
| Q4 2019 | $44,000 | +15.8% | 2,699 | 0.0% | 0.00% | – |
| Q3 2019 | $38,000 | +11.8% | 2,699 | +59.8% | 0.00% | – |
| Q2 2019 | $34,000 | -49.3% | 1,689 | 0.0% | 0.00% | -100.0% |
| Q1 2019 | $67,000 | -8.2% | 1,689 | -19.8% | 0.00% | 0.0% |
| Q4 2018 | $73,000 | -16.1% | 2,105 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $87,000 | +13.0% | 2,105 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $77,000 | -6.1% | 2,105 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $82,000 | -37.9% | 2,105 | -67.1% | 0.00% | 0.0% |
| Q1 2017 | $132,000 | – | 6,400 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| BRIDGER MANAGEMENT, LLC | 2,932,865 | $48,304,000 | 3.48% |
| Camber Capital Management LP | 2,950,000 | $48,587,000 | 2.47% |
| Trellus Management Company, LLC | 87,873 | $1,447,000 | 2.42% |
| Redmile Group, LLC | 4,648,570 | $76,562,000 | 1.83% |
| Baupost Group | 8,308,900 | $136,848,000 | 1.51% |
| MAVERICK CAPITAL LTD | 4,958,431 | $81,665,000 | 1.19% |
| Artal Group S.A. | 1,750,000 | $28,823,000 | 1.11% |
| PACIFIC HEIGHTS ASSET MANAGEMENT LLC | 175,000 | $2,882,000 | 0.36% |
| 12 West Capital Management LP | 158,700 | $2,614,000 | 0.16% |
| WASATCH ADVISORS LP | 1,101,103 | $18,135,000 | 0.15% |