ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 151 filers reported holding ATARA BIOTHERAPEUTICS INC in Q1 2021. The put-call ratio across all filers is 0.30 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $0 | – | 290 | 0.0% | 0.00% | – |
| Q2 2023 | $0 | -100.0% | 290 | -98.1% | 0.00% | – |
| Q1 2023 | $45 | +9.8% | 15,667 | +23.9% | 0.00% | – |
| Q4 2022 | $41 | -99.9% | 12,647 | +12.3% | 0.00% | – |
| Q3 2022 | $43,000 | -61.3% | 11,261 | -20.9% | 0.00% | -100.0% |
| Q2 2022 | $111,000 | +3600.0% | 14,233 | +4807.9% | 0.00% | – |
| Q1 2022 | $3,000 | -40.0% | 290 | 0.0% | 0.00% | – |
| Q4 2021 | $5,000 | 0.0% | 290 | 0.0% | 0.00% | – |
| Q3 2021 | $5,000 | +150.0% | 290 | +98.6% | 0.00% | – |
| Q2 2021 | $2,000 | 0.0% | 146 | 0.0% | 0.00% | – |
| Q1 2021 | $2,000 | -33.3% | 146 | 0.0% | 0.00% | – |
| Q4 2020 | $3,000 | -40.0% | 146 | -64.2% | 0.00% | – |
| Q3 2020 | $5,000 | +66.7% | 408 | +33.3% | 0.00% | – |
| Q2 2020 | $3,000 | 0.0% | 306 | 0.0% | 0.00% | – |
| Q1 2020 | $3,000 | -40.0% | 306 | 0.0% | 0.00% | – |
| Q4 2019 | $5,000 | 0.0% | 306 | -10.5% | 0.00% | – |
| Q3 2019 | $5,000 | -16.7% | 342 | +16.3% | 0.00% | – |
| Q2 2019 | $6,000 | -50.0% | 294 | 0.0% | 0.00% | – |
| Q1 2019 | $12,000 | +71.4% | 294 | +41.3% | 0.00% | – |
| Q4 2018 | $7,000 | -22.2% | 208 | 0.0% | 0.00% | – |
| Q3 2018 | $9,000 | +12.5% | 208 | 0.0% | 0.00% | – |
| Q2 2018 | $8,000 | 0.0% | 208 | 0.0% | 0.00% | – |
| Q1 2018 | $8,000 | – | 208 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Antipodean Advisors LLC | 1,000,000 | $1,610,000 | 11.42% |
| Redmile Group, LLC | 6,048,123 | $9,737,478 | 0.37% |
| Baupost Group | 9,773,616 | $15,736 | 0.28% |
| JOSH ARNOLD INVESTMENT CONSULTANT, LLC | 170,000 | $273,700 | 0.27% |
| MAVERICK CAPITAL LTD | 6,290,713 | $10,128,048 | 0.22% |
| 683 Capital Management, LLC | 1,000,000 | $1,610,000 | 0.12% |
| WASATCH ADVISORS LP | 8,283,981 | $13,337,209 | 0.08% |
| PACIFIC HEIGHTS ASSET MANAGEMENT LLC | 525,000 | $845,250 | 0.08% |
| STALEY CAPITAL ADVISERS INC | 750,000 | $1,207,500 | 0.06% |
| XTX Topco Ltd | 136,841 | $220,314 | 0.04% |