ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 74 filers reported holding ATARA BIOTHERAPEUTICS INC in Q2 2015. The put-call ratio across all filers is 2.50 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $15,783,000 | -24.4% | 1,111,507 | +13.9% | 0.00% | -25.0% |
| Q3 2016 | $20,879,000 | +1.5% | 976,087 | +6.8% | 0.00% | -20.0% |
| Q2 2016 | $20,572,000 | +40.3% | 913,922 | +18.6% | 0.01% | +66.7% |
| Q1 2016 | $14,666,000 | -25.8% | 770,680 | +3.0% | 0.00% | -40.0% |
| Q4 2015 | $19,770,000 | +56.5% | 748,592 | +86.3% | 0.01% | +66.7% |
| Q3 2015 | $12,631,000 | -30.8% | 401,745 | +16.0% | 0.00% | -25.0% |
| Q2 2015 | $18,266,000 | +126.8% | 346,203 | +78.7% | 0.00% | +100.0% |
| Q1 2015 | $8,053,000 | +90.6% | 193,726 | +22.7% | 0.00% | +100.0% |
| Q4 2014 | $4,224,000 | – | 157,919 | – | 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% |