ATARA BIOTHERAPEUTICS INC's ticker is and the CUSIP is 046513957. A total of 3 filers reported holding ATARA BIOTHERAPEUTICS INC in Q3 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $16,576 | +929.6% | 11,200 | +1020.0% | 0.00% | – |
| Q2 2023 | $1,610 | -49.5% | 1,000 | -9.1% | 0.00% | – |
| Q1 2023 | $3,190 | -2.7% | 1,100 | +10.0% | 0.00% | – |
| Q4 2022 | $3,280 | +228.0% | 1,000 | +400.0% | 0.00% | – |
| Q3 2022 | $1,000 | -99.7% | 200 | -99.6% | 0.00% | -100.0% |
| Q2 2022 | $390,000 | +747.8% | 50,000 | +920.4% | 0.00% | – |
| Q1 2022 | $46,000 | -45.9% | 4,900 | -9.3% | 0.00% | – |
| Q4 2021 | $85,000 | -18.3% | 5,400 | -6.9% | 0.00% | – |
| Q3 2021 | $104,000 | +5100.0% | 5,800 | +5700.0% | 0.00% | – |
| Q2 2021 | $2,000 | -96.4% | 100 | -97.4% | 0.00% | – |
| Q1 2021 | $55,000 | -37.5% | 3,800 | -15.6% | 0.00% | – |
| Q4 2020 | $88,000 | +363.2% | 4,500 | +200.0% | 0.00% | – |
| Q3 2020 | $19,000 | +111.1% | 1,500 | +150.0% | 0.00% | – |
| Q2 2020 | $9,000 | +125.0% | 600 | +20.0% | 0.00% | – |
| Q1 2020 | $4,000 | -93.2% | 500 | -88.1% | 0.00% | – |
| Q3 2019 | $59,000 | -42.7% | 4,200 | -17.6% | 0.00% | -100.0% |
| Q2 2019 | $103,000 | -54.0% | 5,100 | -16.4% | 0.00% | -50.0% |
| Q2 2018 | $224,000 | -42.6% | 6,100 | -39.0% | 0.00% | -50.0% |
| Q1 2018 | $390,000 | -56.9% | 10,000 | -80.0% | 0.00% | -33.3% |
| Q4 2017 | $905,000 | +4209.5% | 50,000 | +3233.3% | 0.01% | – |
| Q2 2017 | $21,000 | – | 1,500 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 5,800 | $104,000 | 0.00% |
| SIMPLEX TRADING, LLC | 600 | $9,000 | 0.00% |