ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 118 filers reported holding ATARA BIOTHERAPEUTICS INC in Q2 2023. The put-call ratio across all filers is 0.02 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $256,340 | -59.1% | 88,393 | -53.8% | 0.00% | -63.6% |
| Q4 2022 | $627,441 | -55.8% | 191,293 | -49.1% | 0.01% | -59.3% |
| Q3 2022 | $1,421,000 | +380.1% | 376,011 | +1080.7% | 0.03% | +237.5% |
| Q1 2022 | $296,000 | +76.2% | 31,847 | +212.2% | 0.01% | -27.3% |
| Q4 2019 | $168,000 | – | 10,200 | – | 0.01% | – |
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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% |