RTW INVESTMENTS, LP - ATARA BIOTHERAPEUTICS INC ownership

ATARA BIOTHERAPEUTICS INC's ticker is ATRA and the CUSIP is 046513107. A total of 89 filers reported holding ATARA BIOTHERAPEUTICS INC in Q4 2017. The put-call ratio across all filers is 2.63 and the average weighting 0.1%.

Quarter-by-quarter ownership
RTW INVESTMENTS, LP ownership history of ATARA BIOTHERAPEUTICS INC
ValueSharesWeighting
Q4 2017$10,066,000
-7.3%
556,118
-15.2%
1.68%
-11.2%
Q3 2017$10,857,000
-33.9%
656,018
-44.1%
1.89%
-45.4%
Q2 2017$16,418,000
-12.1%
1,172,744
+29.1%
3.46%
-29.6%
Q1 2017$18,674,000
+252.9%
908,733
+143.9%
4.92%
+146.7%
Q4 2016$5,291,000
-49.5%
372,624
-20.0%
1.99%
-44.4%
Q2 2016$10,487,000
+16.5%
465,874
-1.5%
3.58%
+9.6%
Q1 2016$9,004,000
-21.4%
473,126
+9.0%
3.27%
-13.6%
Q4 2015$11,460,000433,9233.78%
Other shareholders
ATARA BIOTHERAPEUTICS INC shareholders Q4 2017
NameSharesValueWeighting ↓
KPCB XV Associates, LLC 1,876,650$29,182,00013.03%
Copernicus Capital Management, LLC 50,000$778,00012.27%
Antipodean Advisors LLC 1,000,000$15,550,0004.28%
BRIDGER MANAGEMENT, LLC 1,325,188$20,607,0001.92%
Redmile Group, LLC 6,449,577$100,291,0001.48%
MAVERICK CAPITAL LTD 7,704,676$119,808,0001.12%
Baupost Group 8,477,488$131,825,0001.07%
ACT CAPITAL MANAGEMENT, LLC 116,900$1,818,0000.93%
Trellus Management Company, LLC 73,056$1,136,0000.78%
PACIFIC HEIGHTS ASSET MANAGEMENT LLC 525,000$8,164,0000.75%
View complete list of ATARA BIOTHERAPEUTICS INC shareholders