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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $82 | -33.9% | 54,991 | -28.2% | 0.00% | – |
| Q2 2023 | $124 | -43.1% | 76,624 | +2.3% | 0.00% | – |
| Q1 2023 | $218 | -18.4% | 74,866 | -8.0% | 0.00% | – |
| Q4 2022 | $267 | -99.9% | 81,332 | -24.0% | 0.00% | – |
| Q3 2022 | $405,000 | +17.7% | 106,955 | +142.4% | 0.00% | – |
| Q2 2022 | $344,000 | +29.3% | 44,115 | +53.8% | 0.00% | – |
| Q1 2022 | $266,000 | -25.1% | 28,679 | +27.5% | 0.00% | – |
| Q4 2021 | $355,000 | -42.1% | 22,501 | -34.3% | 0.00% | – |
| Q3 2021 | $613,000 | +15.9% | 34,229 | +0.6% | 0.00% | – |
| Q2 2021 | $529,000 | +26.3% | 34,033 | +16.7% | 0.00% | – |
| Q1 2021 | $419,000 | -26.0% | 29,157 | +1.1% | 0.00% | – |
| Q4 2020 | $566,000 | +196.3% | 28,833 | +95.9% | 0.00% | – |
| Q3 2020 | $191,000 | -96.4% | 14,717 | -94.5% | 0.00% | -100.0% |
| Q2 2019 | $5,334,000 | -92.3% | 265,230 | -84.9% | 0.00% | -90.0% |
| Q1 2019 | $69,632,000 | +12.9% | 1,751,752 | -1.3% | 0.01% | 0.0% |
| Q4 2018 | $61,675,000 | -15.6% | 1,775,326 | +0.5% | 0.01% | -9.1% |
| Q3 2018 | $73,059,000 | +16.1% | 1,766,845 | +3.2% | 0.01% | +10.0% |
| Q2 2018 | $62,938,000 | -4.7% | 1,712,600 | +1.2% | 0.01% | 0.0% |
| Q1 2018 | $66,025,000 | +10867.6% | 1,692,953 | +6228.1% | 0.01% | – |
| Q2 2016 | $602,000 | +172.4% | 26,753 | +130.5% | 0.00% | – |
| Q1 2016 | $221,000 | -27.8% | 11,604 | 0.0% | 0.00% | – |
| Q4 2015 | $306,000 | -75.9% | 11,604 | -71.3% | 0.00% | – |
| Q3 2015 | $1,270,000 | – | 40,399 | – | 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% |