ATARA BIOTHERAPEUTICS INC's ticker is and the CUSIP is 46513107. A total of 1 filers reported holding ATARA BIOTHERAPEUTICS INC in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
GROUP ONE TRADING, L.P. | 561 | $15,000 | 0.00% |