ATARA BIOTHERAPEUTICS INC's ticker is and the CUSIP is 46513107. A total of 3 filers reported holding ATARA BIOTHERAPEUTICS INC in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.9%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2015 | $8,201,000 | – | 155,447 | – | 0.94% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| RTW INVESTMENTS, LP | 262,995 | $8,269,000 | 2.57% |
| STATE STREET CORP | 773,448 | $24,315,000 | 0.00% |
| GROUP ONE TRADING, L.P. | 261 | $8,000 | 0.00% |