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 | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $59 | -94.1% | 18 | -86.6% | 0.00% | – |
| Q1 2022 | $1,000 | -50.0% | 134 | 0.0% | 0.00% | – |
| Q4 2021 | $2,000 | 0.0% | 134 | 0.0% | 0.00% | – |
| Q3 2021 | $2,000 | 0.0% | 134 | +14.5% | 0.00% | – |
| Q2 2021 | $2,000 | 0.0% | 117 | 0.0% | 0.00% | – |
| Q1 2021 | $2,000 | -33.3% | 117 | -14.0% | 0.00% | – |
| Q4 2020 | $3,000 | +50.0% | 136 | +16.2% | 0.00% | – |
| Q3 2020 | $2,000 | +100.0% | 117 | +62.5% | 0.00% | – |
| Q2 2020 | $1,000 | 0.0% | 72 | -18.2% | 0.00% | – |
| Q1 2020 | $1,000 | 0.0% | 88 | +120.0% | 0.00% | – |
| Q4 2019 | $1,000 | – | 40 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| KPCB XV Associates, LLC | 1,876,650 | $29,182,000 | 13.03% |
| Copernicus Capital Management, LLC | 50,000 | $778,000 | 12.27% |
| Antipodean Advisors LLC | 1,000,000 | $15,550,000 | 4.28% |
| BRIDGER MANAGEMENT, LLC | 1,325,188 | $20,607,000 | 1.92% |
| Redmile Group, LLC | 6,449,577 | $100,291,000 | 1.48% |
| MAVERICK CAPITAL LTD | 7,704,676 | $119,808,000 | 1.12% |
| Baupost Group | 8,477,488 | $131,825,000 | 1.07% |
| ACT CAPITAL MANAGEMENT, LLC | 116,900 | $1,818,000 | 0.93% |
| Trellus Management Company, LLC | 73,056 | $1,136,000 | 0.78% |
| PACIFIC HEIGHTS ASSET MANAGEMENT LLC | 525,000 | $8,164,000 | 0.75% |