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 | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $330,000 | -53.3% | 21,270 | -56.8% | 0.00% | -100.0% |
| Q1 2021 | $707,000 | -81.7% | 49,235 | -75.0% | 0.00% | -83.3% |
| Q4 2020 | $3,868,000 | +49.1% | 197,055 | -1.6% | 0.01% | +33.3% |
| Q3 2020 | $2,595,000 | -55.5% | 200,255 | -50.0% | 0.01% | -25.0% |
| Q2 2020 | $5,836,000 | +260.7% | 400,510 | +110.7% | 0.01% | +200.0% |
| Q1 2020 | $1,618,000 | -64.4% | 190,110 | -31.1% | 0.00% | -55.6% |
| Q4 2019 | $4,542,000 | +714.0% | 275,800 | +598.8% | 0.01% | +800.0% |
| Q3 2019 | $558,000 | – | 39,470 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Antipodean Advisors LLC | 1,000,000 | $1,480,000 | 7.58% |
| Redmile Group, LLC | 6,280,813 | $9,295,603 | 0.44% |
| Arctis Global LLC | 397,046 | $587,628 | 0.32% |
| Baupost Group | 9,773,616 | $14,465 | 0.28% |
| JOSH ARNOLD INVESTMENT CONSULTANT, LLC | 230,000 | $413,400 | 0.24% |
| MAVERICK CAPITAL LTD | 6,290,713 | $9,310,255 | 0.21% |
| 683 Capital Management, LLC | 1,200,000 | $1,776,000 | 0.14% |
| STALEY CAPITAL ADVISERS INC | 1,000,000 | $1,480,000 | 0.08% |
| WASATCH ADVISORS LP | 8,399,229 | $12,430,859 | 0.08% |
| PACIFIC HEIGHTS ASSET MANAGEMENT LLC | 525,000 | $777,000 | 0.07% |