ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 85 filers reported holding ATARA BIOTHERAPEUTICS INC in Q4 2015. The put-call ratio across all filers is 2.24 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $411,000 | +115.2% | 10,543 | 0.0% | 0.44% | +187.0% |
| Q4 2017 | $191,000 | +9.8% | 10,543 | 0.0% | 0.15% | +33.9% |
| Q3 2017 | $174,000 | +17.6% | 10,543 | 0.0% | 0.12% | +79.7% |
| Q2 2017 | $148,000 | -31.8% | 10,543 | 0.0% | 0.06% | -47.1% |
| Q1 2017 | $217,000 | -27.7% | 10,543 | -50.0% | 0.12% | +33.0% |
| Q4 2016 | $300,000 | +32.7% | 21,086 | +100.0% | 0.09% | -27.2% |
| Q3 2016 | $226,000 | -4.6% | 10,543 | 0.0% | 0.12% | +9.6% |
| Q2 2016 | $237,000 | +17.9% | 10,543 | 0.0% | 0.11% | +32.6% |
| Q1 2016 | $201,000 | -27.7% | 10,543 | 0.0% | 0.09% | -15.7% |
| Q4 2015 | $278,000 | -16.0% | 10,543 | 0.0% | 0.10% | -30.1% |
| Q3 2015 | $331,000 | – | 10,543 | – | 0.15% | – |
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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% |