ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 86 filers reported holding ATARA BIOTHERAPEUTICS INC in Q1 2017. The put-call ratio across all filers is 0.55 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2016 | $1,319,000 | -34.3% | 92,922 | -1.0% | 0.00% | 0.0% |
| Q3 2016 | $2,008,000 | -5.3% | 93,854 | -0.4% | 0.00% | -33.3% |
| Q2 2016 | $2,121,000 | +96.8% | 94,203 | +66.3% | 0.00% | +200.0% |
| Q1 2016 | $1,078,000 | -27.1% | 56,646 | +1.2% | 0.00% | -50.0% |
| Q4 2015 | $1,479,000 | -19.5% | 55,993 | -4.1% | 0.00% | 0.0% |
| Q3 2015 | $1,837,000 | -28.7% | 58,415 | +19.6% | 0.00% | -33.3% |
| Q2 2015 | $2,578,000 | +204.7% | 48,860 | +140.1% | 0.00% | +200.0% |
| Q1 2015 | $846,000 | +95.4% | 20,353 | +25.6% | 0.00% | 0.0% |
| Q4 2014 | $433,000 | – | 16,201 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Antipodean Advisors LLC | 1,000,000 | $1,480,000 | 7.58% |
| Redmile Group, LLC | 6,280,813 | $9,295,603 | 0.44% |
| Arctis Global LLC | 397,046 | $587,628 | 0.32% |
| Baupost Group | 9,773,616 | $14,465 | 0.28% |
| JOSH ARNOLD INVESTMENT CONSULTANT, LLC | 230,000 | $413,400 | 0.24% |
| MAVERICK CAPITAL LTD | 6,290,713 | $9,310,255 | 0.21% |
| 683 Capital Management, LLC | 1,200,000 | $1,776,000 | 0.14% |
| STALEY CAPITAL ADVISERS INC | 1,000,000 | $1,480,000 | 0.08% |
| WASATCH ADVISORS LP | 8,399,229 | $12,430,859 | 0.08% |
| PACIFIC HEIGHTS ASSET MANAGEMENT LLC | 525,000 | $777,000 | 0.07% |