ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 92 filers reported holding ATARA BIOTHERAPEUTICS INC in Q4 2023. The put-call ratio across all filers is 0.02 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2024 | $1,830 | +102.4% | 2,638,687 | +49.5% | 0.01% | +50.0% |
| Q4 2023 | $904 | +14.6% | 1,765,554 | +230.4% | 0.00% | +33.3% |
| Q3 2023 | $789 | -30.4% | 534,393 | -24.2% | 0.00% | -40.0% |
| Q2 2023 | $1,134 | -25.1% | 704,694 | +52.4% | 0.01% | -28.6% |
| Q4 2022 | $1,515 | -100.0% | 462,308 | -51.6% | 0.01% | -65.0% |
| Q3 2022 | $3,609,000 | +326.6% | 955,392 | +1545.4% | 0.02% | +400.0% |
| Q2 2020 | $846,000 | +1058.9% | 58,063 | +1528.2% | 0.00% | – |
| Q1 2017 | $73,000 | – | 3,566 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| EcoR1 Capital, LLC | 1,063,189 | $56,094,000 | 18.70% |
| Baupost Group | 4,809,632 | $253,756,000 | 4.23% |
| Ghost Tree Capital, LLC | 100,000 | $5,276,000 | 1.71% |
| Redmile Group, LLC | 372,642 | $19,661,000 | 1.61% |
| BRIDGER MANAGEMENT, LLC | 501,297 | $26,448,000 | 0.84% |
| Visium Asset Management, LP | 904,514 | $47,722,000 | 0.68% |
| Cupps Capital Management, LLC | 78,660 | $4,150,000 | 0.40% |
| Cormorant Asset Management, LP | 50,000 | $2,638,000 | 0.35% |
| TIVERTON ASSET MANAGEMENT LLC | 225,113 | $11,877,000 | 0.24% |
| ArrowMark Colorado Holdings LLC | 123,668 | $6,525,000 | 0.16% |