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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $821,400 | -10.8% | 555,000 | -3.0% | 0.00% | -33.3% |
| Q2 2023 | $921,292 | +1065.5% | 572,231 | +1999.3% | 0.00% | – |
| Q1 2023 | $79,047 | -30.0% | 27,258 | -9.1% | 0.00% | – |
| Q3 2022 | $113,000 | -99.6% | 30,000 | -99.2% | 0.00% | -100.0% |
| Q2 2022 | $30,599,000 | -21.6% | 3,928,000 | -6.6% | 0.13% | -16.8% |
| Q1 2022 | $39,052,000 | -46.3% | 4,203,676 | -8.9% | 0.16% | -46.6% |
| Q4 2021 | $72,712,000 | +75.2% | 4,613,700 | +99.0% | 0.29% | +59.3% |
| Q3 2021 | $41,498,000 | +260.7% | 2,318,300 | +213.3% | 0.18% | +250.0% |
| Q2 2021 | $11,505,000 | +49.2% | 739,900 | +37.8% | 0.05% | +44.4% |
| Q1 2021 | $7,713,000 | -65.1% | 537,100 | -52.3% | 0.04% | -66.7% |
| Q4 2020 | $22,099,000 | +1042.7% | 1,125,800 | +748.0% | 0.11% | +730.8% |
| Q2 2020 | $1,934,000 | -89.9% | 132,754 | -76.0% | 0.01% | -86.2% |
| Q4 2018 | $19,215,000 | +1742.3% | 553,100 | +2103.6% | 0.09% | +1242.9% |
| Q1 2015 | $1,043,000 | – | 25,100 | – | 0.01% | – |
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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% |