ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 128 filers reported holding ATARA BIOTHERAPEUTICS INC in Q2 2018. The put-call ratio across all filers is 0.72 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 ↓ |
|---|---|---|---|
| Redmile Group, LLC | 2,275,765 | $43,308,000 | 4.43% |
| RTW INVESTMENTS, LP | 473,126 | $9,004,000 | 3.27% |
| Baupost Group | 5,359,632 | $101,994,000 | 1.47% |
| 12 West Capital Management LP | 398,700 | $7,587,000 | 1.05% |
| BRIDGER MANAGEMENT, LLC | 739,444 | $14,072,000 | 0.97% |
| Cormorant Asset Management, LP | 150,000 | $2,855,000 | 0.43% |
| ArrowMark Colorado Holdings LLC | 850,040 | $16,176,000 | 0.36% |
| Virtus ETF Advisers LLC | 11,431 | $218,000 | 0.30% |
| Visium Asset Management, LP | 606,221 | $11,536,000 | 0.20% |
| EAGLE ASSET MANAGEMENT INC | 1,025,988 | $19,524,000 | 0.14% |