ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 120 filers reported holding ATARA BIOTHERAPEUTICS INC in Q3 2018. The put-call ratio across all filers is 1.75 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $90,000 | -61.5% | 4,488 | -23.9% | 0.00% | -60.0% |
| Q1 2019 | $234,000 | -42.9% | 5,896 | -50.1% | 0.01% | -50.0% |
| Q4 2018 | $410,000 | -43.1% | 11,814 | -32.3% | 0.01% | -28.6% |
| Q3 2018 | $721,000 | +20.6% | 17,446 | +7.3% | 0.01% | +7.7% |
| Q2 2018 | $598,000 | -9.8% | 16,258 | -11.2% | 0.01% | +85.7% |
| Q1 2018 | $663,000 | +1373.3% | 18,304 | +642.9% | 0.01% | +600.0% |
| Q4 2017 | $45,000 | -33.8% | 2,464 | -40.1% | 0.00% | -50.0% |
| Q3 2017 | $68,000 | +4.6% | 4,114 | -11.4% | 0.00% | 0.0% |
| Q2 2017 | $65,000 | -48.8% | 4,642 | -24.6% | 0.00% | -33.3% |
| Q1 2017 | $127,000 | +46.0% | 6,160 | 0.0% | 0.00% | +50.0% |
| Q4 2016 | $87,000 | – | 6,160 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HARBOR CAPITAL ADVISORS, INC. | 208,827 | $107,086 | 0.02% |