ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 124 filers reported holding ATARA BIOTHERAPEUTICS INC in Q1 2023. The put-call ratio across all filers is 0.01 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $56,202 | -69.4% | 34,908 | -37.7% | 0.00% | -100.0% |
| Q4 2022 | $183,670 | -16.5% | 55,997 | +136.6% | 0.00% | -50.0% |
| Q1 2022 | $220,000 | -27.9% | 23,670 | +20.7% | 0.00% | -33.3% |
| Q2 2021 | $305,000 | -74.0% | 19,606 | -76.0% | 0.00% | -84.2% |
| Q1 2021 | $1,175,000 | +32.3% | 81,795 | +80.9% | 0.02% | +46.2% |
| Q4 2020 | $888,000 | – | 45,224 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HARBOR CAPITAL ADVISORS, INC. | 208,827 | $107,086 | 0.02% |