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 | $5,032 | -95.9% | 3,400 | -29.2% | 0.00% | -100.0% |
| Q2 2023 | $123,744 | +3.2% | 4,800 | +100.0% | 0.00% | -40.0% |
| Q1 2023 | $119,880 | +99800.0% | 2,400 | 0.0% | 0.01% | +66.7% |
| Q4 2022 | $120 | -99.9% | 2,400 | 0.0% | 0.00% | 0.0% |
| Q3 2022 | $120,000 | +60.0% | 2,400 | +60.0% | 0.00% | +50.0% |
| Q2 2022 | $75,000 | -25.0% | 1,500 | -25.0% | 0.00% | +100.0% |
| Q1 2022 | $100,000 | +669.2% | 2,000 | +166.7% | 0.00% | – |
| Q3 2021 | $13,000 | +44.4% | 750 | +25.0% | 0.00% | – |
| Q2 2021 | $9,000 | 0.0% | 600 | 0.0% | 0.00% | – |
| Q1 2021 | $9,000 | – | 600 | – | 0.00% | – |
| Q4 2020 | $0 | -100.0% | 0 | -100.0% | 0.00% | -100.0% |
| Q3 2020 | $9,000 | +50.0% | 719 | +79.8% | 0.00% | – |
| Q2 2020 | $6,000 | +200.0% | 400 | +100.0% | 0.00% | – |
| Q1 2020 | $2,000 | -33.3% | 200 | 0.0% | 0.00% | – |
| Q4 2019 | $3,000 | 0.0% | 200 | 0.0% | 0.00% | – |
| Q3 2019 | $3,000 | +200.0% | 200 | +1076.5% | 0.00% | – |
| Q4 2018 | $1,000 | 0.0% | 17 | 0.0% | 0.00% | – |
| Q3 2018 | $1,000 | 0.0% | 17 | 0.0% | 0.00% | – |
| Q2 2018 | $1,000 | – | 17 | +70.0% | 0.00% | – |
| Q1 2018 | $0 | – | 10 | 0.0% | 0.00% | – |
| Q4 2017 | $0 | – | 10 | 0.0% | 0.00% | – |
| Q3 2017 | $0 | – | 10 | 0.0% | 0.00% | – |
| Q2 2017 | $0 | – | 10 | 0.0% | 0.00% | – |
| Q1 2017 | $0 | – | 10 | 0.0% | 0.00% | – |
| Q4 2016 | $0 | – | 10 | 0.0% | 0.00% | – |
| Q3 2016 | $0 | -100.0% | 10 | -65.5% | 0.00% | – |
| Q4 2015 | $1,000 | – | 29 | – | 0.00% | – |
Download | ||||||
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% |