ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 74 filers reported holding ATARA BIOTHERAPEUTICS INC in Q2 2015. The put-call ratio across all filers is 2.50 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2016 | $4,000 | +100.0% | 200 | +100.0% | 0.00% | 0.0% |
| Q2 2016 | $2,000 | 0.0% | 100 | 0.0% | 0.00% | 0.0% |
| Q1 2016 | $2,000 | -33.3% | 100 | 0.0% | 0.00% | 0.0% |
| Q4 2015 | $3,000 | 0.0% | 100 | 0.0% | 0.00% | 0.0% |
| Q3 2015 | $3,000 | -25.0% | 100 | +33.3% | 0.00% | -50.0% |
| Q2 2015 | $4,000 | +100.0% | 75 | +50.0% | 0.00% | +100.0% |
| Q1 2015 | $2,000 | – | 50 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Antipodean Advisors LLC | 1,000,000 | $3,280,000 | 10.95% |
| M28 Capital Management LP | 439,300 | $1,440,904 | 1.37% |
| Redmile Group, LLC | 6,242,756 | $20,476,240 | 0.84% |
| MAVERICK CAPITAL LTD | 6,291,013 | $20,634,523 | 0.49% |
| Baupost Group | 8,123,616 | $26,645 | 0.44% |
| JOSH ARNOLD INVESTMENT CONSULTANT, LLC | 52,000 | $171 | 0.25% |
| WASATCH ADVISORS LP | 8,391,014 | $27,522,525 | 0.18% |
| PACIFIC HEIGHTS ASSET MANAGEMENT LLC | 525,000 | $1,722,000 | 0.17% |
| STALEY CAPITAL ADVISERS INC | 450,000 | $1,476 | 0.09% |
| Virtus ETF Advisers LLC | 36,100 | $118,408 | 0.06% |