ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 140 filers reported holding ATARA BIOTHERAPEUTICS INC in Q3 2021. The put-call ratio across all filers is 0.62 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,249,789 | +364.1% | 844,452 | +404.8% | 0.00% | +200.0% |
| Q2 2023 | $269,319 | +82.2% | 167,279 | +228.2% | 0.00% | – |
| Q1 2023 | $147,796 | -66.8% | 50,964 | -62.4% | 0.00% | -100.0% |
| Q4 2022 | $445,080 | -76.9% | 135,695 | -73.4% | 0.00% | -80.0% |
| Q3 2022 | $1,928,000 | +521.9% | 510,169 | +1427.4% | 0.01% | +400.0% |
| Q1 2022 | $310,000 | -24.9% | 33,402 | +25.8% | 0.00% | 0.0% |
| Q2 2021 | $413,000 | -37.7% | 26,559 | -42.5% | 0.00% | 0.0% |
| Q1 2021 | $663,000 | +58.6% | 46,181 | +116.9% | 0.00% | 0.0% |
| Q4 2020 | $418,000 | +162.9% | 21,289 | +88.9% | 0.00% | – |
| Q3 2019 | $159,000 | -61.1% | 11,268 | +9.5% | 0.00% | – |
| Q1 2019 | $409,000 | -43.9% | 10,288 | -51.0% | 0.00% | -100.0% |
| Q4 2018 | $729,000 | -18.5% | 20,997 | -2.8% | 0.00% | 0.0% |
| Q3 2018 | $894,000 | +27.0% | 21,609 | +12.7% | 0.00% | 0.0% |
| Q2 2018 | $704,000 | +146.2% | 19,170 | +161.1% | 0.00% | – |
| Q1 2018 | $286,000 | – | 7,341 | – | 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% |