ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 72 filers reported holding ATARA BIOTHERAPEUTICS INC in Q2 2016. The put-call ratio across all filers is 0.14 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $295,000 | -66.3% | 31,731 | -42.8% | 0.00% | – |
| Q4 2021 | $875,000 | +3.2% | 55,496 | +17.2% | 0.00% | – |
| Q3 2021 | $848,000 | -6.0% | 47,351 | -18.4% | 0.00% | -100.0% |
| Q2 2021 | $902,000 | -3.2% | 58,027 | -10.6% | 0.00% | 0.0% |
| Q1 2021 | $932,000 | -4.5% | 64,894 | +30.6% | 0.00% | 0.0% |
| Q4 2020 | $976,000 | +72.1% | 49,697 | +13.6% | 0.00% | – |
| Q3 2020 | $567,000 | +4.8% | 43,741 | +17.7% | 0.00% | – |
| Q2 2020 | $541,000 | +96.7% | 37,159 | +15.0% | 0.00% | – |
| Q1 2020 | $275,000 | -50.9% | 32,316 | -4.9% | 0.00% | – |
| Q4 2019 | $560,000 | +47.4% | 33,997 | +26.5% | 0.00% | – |
| Q3 2019 | $380,000 | -0.5% | 26,877 | +179.8% | 0.00% | – |
| Q1 2019 | $382,000 | -59.6% | 9,607 | -64.7% | 0.00% | -100.0% |
| Q4 2018 | $945,000 | -17.8% | 27,213 | -2.1% | 0.00% | 0.0% |
| Q3 2018 | $1,149,000 | +12.4% | 27,783 | -0.0% | 0.00% | 0.0% |
| Q2 2018 | $1,022,000 | -3.4% | 27,796 | +2.4% | 0.00% | 0.0% |
| Q1 2018 | $1,058,000 | +36.5% | 27,137 | -36.6% | 0.00% | 0.0% |
| Q4 2017 | $775,000 | +51.4% | 42,808 | +38.4% | 0.00% | 0.0% |
| Q3 2017 | $512,000 | +23.4% | 30,941 | +4.3% | 0.00% | – |
| Q2 2017 | $415,000 | -20.5% | 29,673 | +16.9% | 0.00% | -100.0% |
| Q1 2017 | $522,000 | +135.1% | 25,389 | +62.6% | 0.00% | – |
| Q4 2016 | $222,000 | -41.7% | 15,615 | -12.4% | 0.00% | -100.0% |
| Q3 2016 | $381,000 | +7.6% | 17,826 | +13.4% | 0.00% | 0.0% |
| Q2 2016 | $354,000 | – | 15,720 | – | 0.00% | – |
Download | ||||||
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% |