ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 72 filers reported holding ATARA BIOTHERAPEUTICS INC in Q1 2016. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $5,000 | 0.0% | 130 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $5,000 | 0.0% | 130 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $5,000 | -16.7% | 130 | -15.6% | 0.00% | 0.0% |
| Q2 2018 | $6,000 | +20.0% | 154 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $5,000 | -28.6% | 154 | -62.6% | 0.00% | -33.3% |
| Q4 2017 | $7,000 | 0.0% | 412 | +1.2% | 0.00% | 0.0% |
| Q3 2017 | $7,000 | +16.7% | 407 | -2.6% | 0.00% | 0.0% |
| Q2 2017 | $6,000 | -33.3% | 418 | -0.2% | 0.00% | -40.0% |
| Q1 2017 | $9,000 | +50.0% | 419 | -4.6% | 0.01% | +66.7% |
| Q4 2016 | $6,000 | +50.0% | 439 | +91.7% | 0.00% | 0.0% |
| Q3 2016 | $4,000 | -33.3% | 229 | -7.7% | 0.00% | -25.0% |
| Q2 2016 | $6,000 | +20.0% | 248 | 0.0% | 0.00% | 0.0% |
| Q1 2016 | $5,000 | -28.6% | 248 | +6.0% | 0.00% | -20.0% |
| Q4 2015 | $7,000 | +75.0% | 234 | +91.8% | 0.01% | +66.7% |
| Q3 2015 | $4,000 | – | 122 | – | 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% |