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 | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $100,109 | -65.5% | 62,180 | -18.8% | 0.00% | -100.0% |
| Q3 2022 | $290,000 | -73.5% | 76,606 | +0.4% | 0.00% | -80.0% |
| Q1 2021 | $1,096,000 | -91.2% | 76,274 | -87.9% | 0.01% | -92.5% |
| Q4 2020 | $12,420,000 | +248.9% | 632,743 | +130.4% | 0.07% | +191.3% |
| Q3 2020 | $3,560,000 | -68.3% | 274,670 | -64.4% | 0.02% | -70.9% |
| Q2 2020 | $11,248,000 | +1880.3% | 771,966 | +5295.3% | 0.08% | +2533.3% |
| Q1 2019 | $568,000 | – | 14,308 | – | 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% |