RTW INVESTMENTS, LP - ATARA BIOTHERAPEUTICS INC ownership

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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%.

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Filings
Quarter-by-quarter ownership
RTW INVESTMENTS, LP ownership history of ATARA BIOTHERAPEUTICS INC
ValueSharesWeighting
Q3 2016$9,799,000
+18.5%
458,113
+74.2%
2.96%
+15.3%
Q3 2015$8,269,000–262,995–2.57%–
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Other shareholders
ATARA BIOTHERAPEUTICS INC shareholders Q4 2015
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 561$15,0000.00%
View complete list of ATARA BIOTHERAPEUTICS INC shareholders