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Atara Biotherapeutics
ATRA

Overview Fund Activity

84 hedge funds and large institutions have $508M invested in Atara Biotherapeutics in 2015 Q4 according to their latest regulatory filings, with 17 funds opening new positions, 34 increasing their positions, 18 reducing their positions, and 23 closing their positions.

Holders
84
Holders Change
-6
Holders Change %
-6.67%
% of All Funds
2.21%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
17
Increased
34
Reduced
18
Closed
23
Calls
$472K
Puts
$1.35M
Net Calls
-$882K
Net Calls Change
-$1.06M

Top Buyers

1
RG
1
Redmile Group
California
$40.5M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$55.1M
3
BFA
3
BlackRock Fund Advisors
California
$19.8M
4
EAM
4
Eagle Asset Management
Florida
$22.5M
5
ACH
5
ArrowMark Colorado Holdings
Colorado
$19.5M

Top Sellers

1
Jennison Associates
1
Jennison Associates
New York
$0
2
EC
2
EcoR1 Capital
California
$0
3
BAMCO Inc
3
BAMCO Inc
New York
$0
4
State Street
4
State Street
Massachusetts
$15.9M
5
GTC
5
Ghost Tree Capital
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
BG
1
Baupost Group
Massachusetts
$142M 5,359,632 – –
Fidelity Investments
2
Fidelity Investments
Massachusetts
$55.1M 2,085,790 +481,709 +30%
RG
3
Redmile Group
California
$40.5M 1,534,962 +485,180 +46%
UBS AM
4
UBS AM
Illinois
$32.6M 1,235,435 +129,877 +12%
EAM
5
Eagle Asset Management
Florida
$22.5M 853,400 +290,968 +52%
BFA
6
BlackRock Fund Advisors
California
$19.8M 748,592 +346,847 +86%
ACH
7
ArrowMark Colorado Holdings
Colorado
$19.5M 736,520 +264,066 +56%
VAM
8
Visium Asset Management
New York
$19.1M 722,626 -109,819 -13%
BM
9
Bridger Management
New York
$18.7M 706,848 -27,570 -4%
State Street
10
State Street
Massachusetts
$15.9M 601,687 -171,761 -22%
Vanguard Group
11
Vanguard Group
Pennsylvania
$15.4M 583,135 +14,097 +2%
Neuberger Berman Group
12
Neuberger Berman Group
New York
$13M 493,915 +20,245 +4%
RI
13
RTW Investments
New York
$11.5M 433,923 +170,928 +65%
1WCM
14
12 West Capital Management
New York
$10.4M 393,700 +162,003 +70%
BIT
15
BlackRock Institutional Trust
California
$10.3M 390,388 +8,019 +2%
Northern Trust
16
Northern Trust
Illinois
$4.94M 187,073 +4,339 +2%
TAM
17
Tiverton Asset Management
Delaware
$4.89M 185,113 – –
CAM
18
Cormorant Asset Management
Massachusetts
$3.96M 150,000 – –
Geode Capital Management
19
Geode Capital Management
Massachusetts
$3.49M 132,254 +11,361 +9%
TRSOTSOK
20
Teachers Retirement System of the State of Kentucky
Kentucky
$3.34M 126,400 – –
Morgan Stanley
21
Morgan Stanley
New York
$3.33M 125,960 +106,626 +551%
Invesco
22
Invesco
Georgia
$2.91M 110,173 +75 +0.1%
OAM
23
Oxford Asset Management
United Kingdom
$2.54M 100,632 +100,632 New
ACP
24
Acuta Capital Partners
California
$2.51M 95,000 +95,000 New
TA
25
Teachers Advisors
New York
$2.38M 90,153 +65,000 +258%
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