ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 124 filers reported holding ATARA BIOTHERAPEUTICS INC in Q1 2023. The put-call ratio across all filers is 0.01 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $2,615 | -8.1% | 1,767 | 0.0% | 0.00% | – |
| Q2 2023 | $2,845 | -7.5% | 1,767 | +66.5% | 0.00% | – |
| Q1 2023 | $3,077 | -72.0% | 1,061 | -68.3% | 0.00% | – |
| Q4 2022 | $10,985 | -62.1% | 3,349 | -56.3% | 0.00% | – |
| Q3 2022 | $29,000 | +2800.0% | 7,664 | +6394.9% | 0.00% | – |
| Q2 2022 | $1,000 | 0.0% | 118 | 0.0% | 0.00% | – |
| Q1 2022 | $1,000 | -66.7% | 118 | -43.5% | 0.00% | – |
| Q4 2021 | $3,000 | -25.0% | 209 | 0.0% | 0.00% | – |
| Q3 2021 | $4,000 | +33.3% | 209 | 0.0% | 0.00% | – |
| Q2 2021 | $3,000 | 0.0% | 209 | 0.0% | 0.00% | – |
| Q1 2021 | $3,000 | -25.0% | 209 | 0.0% | 0.00% | – |
| Q4 2020 | $4,000 | 0.0% | 209 | -23.7% | 0.00% | – |
| Q3 2020 | $4,000 | +33.3% | 274 | +31.1% | 0.00% | – |
| Q2 2020 | $3,000 | +50.0% | 209 | -11.1% | 0.00% | – |
| Q1 2020 | $2,000 | -60.0% | 235 | -27.9% | 0.00% | – |
| Q4 2019 | $5,000 | 0.0% | 326 | -4.7% | 0.00% | – |
| Q3 2019 | $5,000 | – | 342 | – | 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% |