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 | $140 | +94.4% | 94,974 | +109.8% | 0.00% | – |
| Q2 2023 | $72 | +89.5% | 45,264 | +244.2% | 0.00% | – |
| Q1 2023 | $38 | +1166.7% | 13,151 | +1141.8% | 0.00% | – |
| Q4 2022 | $3 | -99.9% | 1,059 | -21.6% | 0.00% | – |
| Q3 2022 | $5,000 | -91.2% | 1,351 | -81.5% | 0.00% | – |
| Q2 2022 | $57,000 | -76.2% | 7,318 | -71.6% | 0.00% | – |
| Q1 2022 | $239,000 | +273.4% | 25,792 | +530.6% | 0.00% | – |
| Q4 2021 | $64,000 | +433.3% | 4,090 | +427.7% | 0.00% | – |
| Q3 2021 | $12,000 | +20.0% | 775 | +14.8% | 0.00% | – |
| Q2 2021 | $10,000 | +150.0% | 675 | +112.3% | 0.00% | – |
| Q1 2021 | $4,000 | -88.6% | 318 | -88.3% | 0.00% | – |
| Q3 2020 | $35,000 | +84.2% | 2,712 | +18.5% | 0.00% | – |
| Q1 2020 | $19,000 | -86.3% | 2,288 | -73.0% | 0.00% | – |
| Q4 2019 | $139,000 | +202.2% | 8,489 | +156.5% | 0.00% | – |
| Q3 2019 | $46,000 | -58.9% | 3,309 | -40.9% | 0.00% | – |
| Q2 2019 | $112,000 | +387.0% | 5,603 | +857.8% | 0.00% | – |
| Q1 2019 | $23,000 | -76.3% | 585 | -79.2% | 0.00% | – |
| Q4 2018 | $97,000 | -41.6% | 2,819 | -37.9% | 0.00% | -100.0% |
| Q2 2018 | $166,000 | +3220.0% | 4,543 | +1302.2% | 0.00% | – |
| Q3 2017 | $5,000 | -84.4% | 324 | -77.4% | 0.00% | -100.0% |
| Q2 2016 | $32,000 | +166.7% | 1,436 | +122.3% | 0.00% | +100.0% |
| Q1 2016 | $12,000 | -72.1% | 646 | -53.4% | 0.00% | -66.7% |
| Q3 2015 | $43,000 | -8.5% | 1,385 | +53.4% | 0.00% | -25.0% |
| Q2 2015 | $47,000 | – | 903 | – | 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% |