ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 151 filers reported holding ATARA BIOTHERAPEUTICS INC in Q1 2021. The put-call ratio across all filers is 0.30 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $26,662 | -10.8% | 18,015 | +74.8% | 0.00% | – |
| Q1 2023 | $29,887 | +1394.4% | 10,306 | +4927.3% | 0.00% | – |
| Q2 2022 | $2,000 | 0.0% | 205 | -3.8% | 0.00% | – |
| Q1 2022 | $2,000 | -50.0% | 213 | -19.9% | 0.00% | – |
| Q4 2021 | $4,000 | -20.0% | 266 | 0.0% | 0.00% | – |
| Q3 2021 | $5,000 | +25.0% | 266 | +3.9% | 0.00% | – |
| Q2 2021 | $4,000 | 0.0% | 256 | -3.8% | 0.00% | – |
| Q1 2021 | $4,000 | – | 266 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HARBOR CAPITAL ADVISORS, INC. | 208,827 | $107,086 | 0.02% |