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 | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $1,319,000 | -34.3% | 92,922 | -1.0% | 0.00% | 0.0% |
| Q3 2016 | $2,008,000 | -5.3% | 93,854 | -0.4% | 0.00% | -33.3% |
| Q2 2016 | $2,121,000 | +96.8% | 94,203 | +66.3% | 0.00% | +200.0% |
| Q1 2016 | $1,078,000 | -27.1% | 56,646 | +1.2% | 0.00% | -50.0% |
| Q4 2015 | $1,479,000 | -19.5% | 55,993 | -4.1% | 0.00% | 0.0% |
| Q3 2015 | $1,837,000 | -28.7% | 58,415 | +19.6% | 0.00% | -33.3% |
| Q2 2015 | $2,578,000 | +204.7% | 48,860 | +140.1% | 0.00% | +200.0% |
| Q1 2015 | $846,000 | +95.4% | 20,353 | +25.6% | 0.00% | 0.0% |
| Q4 2014 | $433,000 | – | 16,201 | – | 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% |