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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $10 | 0.0% | 7,126 | +5.2% | 0.00% | – |
| Q2 2023 | $10 | -16.7% | 6,776 | +57.5% | 0.00% | – |
| Q1 2023 | $12 | -76.0% | 4,301 | -72.0% | 0.00% | – |
| Q4 2022 | $50 | -99.9% | 15,386 | +29.1% | 0.00% | – |
| Q3 2022 | $45,000 | +4400.0% | 11,922 | +9141.9% | 0.00% | – |
| Q1 2021 | $1,000 | -50.0% | 129 | 0.0% | 0.00% | – |
| Q4 2020 | $2,000 | – | 129 | – | 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% |