ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 128 filers reported holding ATARA BIOTHERAPEUTICS INC in Q2 2018. The put-call ratio across all filers is 0.72 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $5,000 | -78.3% | 309 | -81.6% | 0.00% | -100.0% |
| Q3 2020 | $23,000 | +155.6% | 1,677 | +271.0% | 0.00% | 0.0% |
| Q2 2019 | $9,000 | -93.0% | 452 | -87.7% | 0.00% | -90.9% |
| Q4 2018 | $128,000 | -99.8% | 3,671 | +147.4% | 0.01% | +120.0% |
| Q2 2018 | $54,538,000 | +237021.7% | 1,484 | +142.9% | 0.01% | +150.0% |
| Q1 2018 | $23,000 | +666.7% | 611 | +177.7% | 0.00% | – |
| Q2 2017 | $3,000 | -70.0% | 220 | -55.1% | 0.00% | -100.0% |
| Q1 2017 | $10,000 | +66.7% | 490 | +6.5% | 0.00% | 0.0% |
| Q4 2016 | $6,000 | – | 460 | – | 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% |