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 | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $179,783 | -11.6% | 61,994 | 0.0% | 0.00% | -100.0% |
| Q4 2022 | $203,340 | +9.9% | 61,994 | +26.7% | 0.00% | 0.0% |
| Q3 2022 | $185,000 | -50.5% | 48,948 | +1.9% | 0.00% | -50.0% |
| Q2 2022 | $374,000 | +133.8% | 48,022 | +178.8% | 0.00% | +100.0% |
| Q1 2022 | $160,000 | -41.2% | 17,223 | +6.8% | 0.00% | 0.0% |
| Q4 2021 | $272,000 | -30.3% | 16,131 | -26.0% | 0.00% | -50.0% |
| Q3 2021 | $390,000 | +18.2% | 21,788 | +2.6% | 0.00% | 0.0% |
| Q2 2021 | $330,000 | +38.7% | 21,236 | +28.1% | 0.00% | 0.0% |
| Q1 2021 | $238,000 | +4.4% | 16,575 | +42.8% | 0.00% | 0.0% |
| Q4 2020 | $228,000 | +2.7% | 11,608 | -32.2% | 0.00% | 0.0% |
| Q3 2020 | $222,000 | -11.2% | 17,129 | -0.2% | 0.00% | -33.3% |
| Q2 2020 | $250,000 | +138.1% | 17,157 | +39.1% | 0.00% | +50.0% |
| Q1 2020 | $105,000 | -35.2% | 12,337 | +22.1% | 0.00% | 0.0% |
| Q4 2019 | $162,000 | +97.6% | 10,102 | +73.7% | 0.00% | +100.0% |
| Q3 2019 | $82,000 | -18.0% | 5,815 | +16.7% | 0.00% | -50.0% |
| Q2 2019 | $100,000 | -44.8% | 4,982 | +9.4% | 0.00% | -50.0% |
| Q1 2019 | $181,000 | +57.4% | 4,554 | +12.7% | 0.00% | +33.3% |
| Q4 2018 | $115,000 | -9.4% | 4,042 | +31.7% | 0.00% | 0.0% |
| Q3 2018 | $127,000 | – | 3,068 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| KPCB XV Associates, LLC | 1,876,650 | $29,182,000 | 13.03% |
| Copernicus Capital Management, LLC | 50,000 | $778,000 | 12.27% |
| Antipodean Advisors LLC | 1,000,000 | $15,550,000 | 4.28% |
| BRIDGER MANAGEMENT, LLC | 1,325,188 | $20,607,000 | 1.92% |
| Redmile Group, LLC | 6,449,577 | $100,291,000 | 1.48% |
| MAVERICK CAPITAL LTD | 7,704,676 | $119,808,000 | 1.12% |
| Baupost Group | 8,477,488 | $131,825,000 | 1.07% |
| ACT CAPITAL MANAGEMENT, LLC | 116,900 | $1,818,000 | 0.93% |
| Trellus Management Company, LLC | 73,056 | $1,136,000 | 0.78% |
| PACIFIC HEIGHTS ASSET MANAGEMENT LLC | 525,000 | $8,164,000 | 0.75% |