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 | $4,099 | -60.6% | 5,907 | -70.9% | 0.00% | – |
| Q4 2023 | $10,414 | -13.7% | 20,300 | +149.0% | 0.00% | – |
| Q3 2023 | $12,064 | -71.9% | 8,151 | -69.4% | 0.00% | -100.0% |
| Q2 2023 | $42,937 | +165042.3% | 26,669 | +195.0% | 0.00% | 0.0% |
| Q1 2023 | $26 | +271.4% | 9,041 | +334.0% | 0.00% | – |
| Q4 2022 | $7 | -100.0% | 2,083 | -88.4% | 0.00% | -100.0% |
| Q3 2022 | $68,000 | -32.7% | 17,950 | +38.4% | 0.00% | -50.0% |
| Q2 2022 | $101,000 | -45.7% | 12,968 | -35.2% | 0.00% | 0.0% |
| Q1 2022 | $186,000 | +66.1% | 20,025 | +181.2% | 0.00% | 0.0% |
| Q4 2021 | $112,000 | -70.9% | 7,122 | -66.8% | 0.00% | -80.0% |
| Q3 2021 | $385,000 | +387.3% | 21,472 | +323.3% | 0.01% | +400.0% |
| Q2 2021 | $79,000 | -30.1% | 5,073 | -35.5% | 0.00% | 0.0% |
| Q1 2021 | $113,000 | -35.8% | 7,870 | -12.5% | 0.00% | -60.0% |
| Q4 2020 | $176,000 | +351.3% | 8,995 | +196.4% | 0.01% | – |
| Q3 2020 | $39,000 | -84.6% | 3,035 | -82.6% | 0.00% | -100.0% |
| Q2 2020 | $253,000 | +251.4% | 17,402 | +298.1% | 0.01% | +66.7% |
| Q4 2019 | $72,000 | +80.0% | 4,371 | +52.8% | 0.01% | +100.0% |
| Q3 2019 | $40,000 | +1233.3% | 2,860 | +3713.3% | 0.00% | – |
| Q1 2019 | $3,000 | 0.0% | 75 | -12.8% | 0.00% | – |
| Q4 2018 | $3,000 | -97.1% | 86 | -96.5% | 0.00% | -100.0% |
| Q3 2018 | $103,000 | -51.6% | 2,485 | -54.5% | 0.01% | -55.6% |
| Q1 2018 | $213,000 | +914.3% | 5,466 | +336.2% | 0.02% | +800.0% |
| Q3 2017 | $21,000 | +2000.0% | 1,253 | +1153.0% | 0.00% | – |
| Q2 2017 | $1,000 | -87.5% | 100 | -81.7% | 0.00% | -100.0% |
| Q4 2016 | $8,000 | +166.7% | 547 | +447.0% | 0.00% | – |
| Q4 2015 | $3,000 | -96.8% | 100 | -96.7% | 0.00% | -100.0% |
| Q3 2015 | $94,000 | +754.5% | 2,995 | +1397.5% | 0.01% | +800.0% |
| Q2 2015 | $11,000 | +37.5% | 200 | +9.3% | 0.00% | 0.0% |
| Q1 2015 | $8,000 | -72.4% | 183 | -83.3% | 0.00% | -66.7% |
| Q4 2014 | $29,000 | – | 1,094 | – | 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% |