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 ↓ |
|---|---|---|---|
| Antipodean Advisors LLC | 1,000,000 | $3,280,000 | 10.95% |
| M28 Capital Management LP | 439,300 | $1,440,904 | 1.37% |
| Redmile Group, LLC | 6,242,756 | $20,476,240 | 0.84% |
| MAVERICK CAPITAL LTD | 6,291,013 | $20,634,523 | 0.49% |
| Baupost Group | 8,123,616 | $26,645 | 0.44% |
| JOSH ARNOLD INVESTMENT CONSULTANT, LLC | 52,000 | $171 | 0.25% |
| WASATCH ADVISORS LP | 8,391,014 | $27,522,525 | 0.18% |
| PACIFIC HEIGHTS ASSET MANAGEMENT LLC | 525,000 | $1,722,000 | 0.17% |
| STALEY CAPITAL ADVISERS INC | 450,000 | $1,476 | 0.09% |
| Virtus ETF Advisers LLC | 36,100 | $118,408 | 0.06% |