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 | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $1,824 | -46.8% | 629 | -39.9% | 0.00% | – |
| Q4 2022 | $3,431 | – | 1,046 | +842.3% | 0.00% | – |
| Q3 2022 | $0 | -100.0% | 111 | -46.6% | 0.00% | – |
| Q1 2022 | $2,000 | -60.0% | 208 | -34.0% | 0.00% | – |
| Q4 2021 | $5,000 | +25.0% | 315 | +51.4% | 0.00% | – |
| Q3 2021 | $4,000 | +33.3% | 208 | 0.0% | 0.00% | – |
| Q2 2021 | $3,000 | 0.0% | 208 | 0.0% | 0.00% | – |
| Q1 2021 | $3,000 | -25.0% | 208 | 0.0% | 0.00% | – |
| Q4 2020 | $4,000 | +33.3% | 208 | 0.0% | 0.00% | – |
| Q3 2020 | $3,000 | 0.0% | 208 | 0.0% | 0.00% | – |
| Q2 2020 | $3,000 | +200.0% | 208 | +292.5% | 0.00% | – |
| Q4 2019 | $1,000 | – | 53 | – | 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% |