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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,227 | -64.0% | 829,111 | -60.8% | 0.00% | -60.0% |
| Q2 2023 | $3,408 | -18.3% | 2,116,900 | +47.2% | 0.01% | -16.7% |
| Q1 2023 | $4,169 | +670.6% | 1,437,700 | +771.3% | 0.01% | +500.0% |
| Q4 2022 | $541 | -100.0% | 165,000 | -50.9% | 0.00% | -50.0% |
| Q3 2022 | $1,270,000 | -27.6% | 336,100 | +49.2% | 0.00% | 0.0% |
| Q2 2022 | $1,754,000 | -66.9% | 225,200 | -60.5% | 0.00% | -66.7% |
| Q1 2022 | $5,293,000 | +5.0% | 569,800 | +102.3% | 0.01% | -14.3% |
| Q3 2021 | $5,042,000 | -63.9% | 281,679 | -68.7% | 0.01% | -58.8% |
| Q2 2021 | $13,975,000 | +85.0% | 898,700 | +70.8% | 0.02% | +88.9% |
| Q1 2021 | $7,555,000 | +1770.0% | 526,100 | +2453.9% | 0.01% | – |
| Q4 2020 | $404,000 | +85.3% | 20,600 | -19.5% | 0.00% | – |
| Q1 2020 | $218,000 | -92.9% | 25,600 | -83.2% | 0.00% | -100.0% |
| Q2 2019 | $3,060,000 | – | 152,148 | – | 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% |