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 | $50,674 | -77.0% | 34,239 | -75.0% | 0.01% | -76.9% |
| Q2 2023 | $220,314 | +134.4% | 136,841 | +377.6% | 0.04% | +95.0% |
| Q4 2022 | $93,979 | -85.1% | 28,652 | -82.8% | 0.02% | -87.2% |
| Q3 2022 | $629,000 | +191.2% | 166,490 | +615.1% | 0.16% | +64.2% |
| Q1 2022 | $216,000 | +42.1% | 23,282 | +120.0% | 0.10% | +28.4% |
| Q1 2021 | $152,000 | – | 10,584 | – | 0.07% | – |
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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% |