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 | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $49 | -99.7% | 15 | -99.6% | 0.00% | -100.0% |
| Q3 2022 | $16,000 | +128.6% | 4,233 | +398.6% | 0.00% | +200.0% |
| Q2 2022 | $7,000 | +40.0% | 849 | +179.3% | 0.00% | -50.0% |
| Q4 2021 | $5,000 | -50.0% | 304 | -46.3% | 0.00% | -50.0% |
| Q3 2021 | $10,000 | -91.5% | 566 | -92.5% | 0.00% | -92.2% |
| Q2 2021 | $117,000 | – | 7,523 | – | 0.05% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HARBOR CAPITAL ADVISORS, INC. | 208,827 | $107,086 | 0.02% |