ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 125 filers reported holding ATARA BIOTHERAPEUTICS INC in Q1 2019. The put-call ratio across all filers is 0.15 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $4,120,000 | +35.0% | 103,649 | +18.0% | 0.01% | +25.0% |
| Q4 2018 | $3,051,000 | -56.8% | 87,828 | -48.6% | 0.00% | 0.0% |
| Q3 2018 | $7,064,000 | +129.1% | 170,832 | +103.6% | 0.00% | 0.0% |
| Q2 2018 | $3,083,000 | +12.1% | 83,891 | +19.0% | 0.00% | 0.0% |
| Q1 2018 | $2,749,000 | +218.2% | 70,475 | +47.7% | 0.00% | +300.0% |
| Q4 2017 | $864,000 | +10.5% | 47,715 | +1.0% | 0.00% | 0.0% |
| Q3 2017 | $782,000 | +18.5% | 47,235 | +0.2% | 0.00% | 0.0% |
| Q2 2017 | $660,000 | -30.2% | 47,156 | +2.4% | 0.00% | 0.0% |
| Q1 2017 | $946,000 | -51.5% | 46,046 | -66.5% | 0.00% | -66.7% |
| Q4 2016 | $1,951,000 | -30.0% | 137,416 | +5.5% | 0.00% | -40.0% |
| Q3 2016 | $2,786,000 | +21.0% | 130,251 | +27.4% | 0.01% | +25.0% |
| Q2 2016 | $2,302,000 | +34.1% | 102,251 | +13.4% | 0.00% | +33.3% |
| Q1 2016 | $1,716,000 | -27.9% | 90,153 | 0.0% | 0.00% | -25.0% |
| Q4 2015 | $2,381,000 | +201.0% | 90,153 | +258.4% | 0.00% | +100.0% |
| Q3 2015 | $791,000 | -29.0% | 25,153 | +19.2% | 0.00% | 0.0% |
| Q2 2015 | $1,114,000 | +173.0% | 21,108 | +115.3% | 0.00% | +100.0% |
| Q1 2015 | $408,000 | +380.0% | 9,803 | +208.6% | 0.00% | – |
| Q4 2014 | $85,000 | – | 3,177 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| KPCB XV Associates, LLC | 1,876,650 | $29,576,000 | 23.33% |
| Antipodean Advisors LLC | 1,000,000 | $15,760,000 | 6.47% |
| M28 Capital Management LP | 456,865 | $7,200,000 | 5.62% |
| Redmile Group, LLC | 6,437,777 | $101,459,000 | 2.31% |
| One Fin Capital Management LP | 303,000 | $4,775,000 | 1.99% |
| MAVERICK CAPITAL LTD | 7,855,824 | $123,808,000 | 1.40% |
| Baupost Group | 8,477,488 | $133,605,000 | 1.32% |
| BRIDGER MANAGEMENT, LLC | 616,488 | $9,716,000 | 1.26% |
| 683 Capital Management, LLC | 1,781,234 | $28,073,000 | 1.03% |
| Trellus Management Company, LLC | 95,000 | $1,497,000 | 1.00% |