ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 149 filers reported holding ATARA BIOTHERAPEUTICS INC in Q4 2020. The put-call ratio across all filers is 1.65 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $5,000 | -78.3% | 309 | -81.6% | 0.00% | -100.0% |
| Q3 2020 | $23,000 | +155.6% | 1,677 | +271.0% | 0.00% | 0.0% |
| Q2 2019 | $9,000 | -93.0% | 452 | -87.7% | 0.00% | -90.9% |
| Q4 2018 | $128,000 | -99.8% | 3,671 | +147.4% | 0.01% | +120.0% |
| Q2 2018 | $54,538,000 | +237021.7% | 1,484 | +142.9% | 0.01% | +150.0% |
| Q1 2018 | $23,000 | +666.7% | 611 | +177.7% | 0.00% | – |
| Q2 2017 | $3,000 | -70.0% | 220 | -55.1% | 0.00% | -100.0% |
| Q1 2017 | $10,000 | +66.7% | 490 | +6.5% | 0.00% | 0.0% |
| Q4 2016 | $6,000 | – | 460 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| KPCB XV Associates, LLC | 1,876,650 | $29,576,000 | 23.33% |
| Antipodean Advisors LLC | 1,000,000 | $15,760,000 | 6.47% |
| M28 Capital Management LP | 456,865 | $7,200,000 | 5.62% |
| Redmile Group, LLC | 6,437,777 | $101,459,000 | 2.31% |
| One Fin Capital Management LP | 303,000 | $4,775,000 | 1.99% |
| MAVERICK CAPITAL LTD | 7,855,824 | $123,808,000 | 1.40% |
| Baupost Group | 8,477,488 | $133,605,000 | 1.32% |
| BRIDGER MANAGEMENT, LLC | 616,488 | $9,716,000 | 1.26% |
| 683 Capital Management, LLC | 1,781,234 | $28,073,000 | 1.03% |
| Trellus Management Company, LLC | 95,000 | $1,497,000 | 1.00% |