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Atara Biotherapeutics
ATRA

Overview Fund Activity

74 hedge funds and large institutions have $695M invested in Atara Biotherapeutics in 2015 Q2 according to their latest regulatory filings, with 28 funds opening new positions, 39 increasing their positions, 5 reducing their positions, and 8 closing their positions.

Holders
74
Holders Change
+20
Holders Change %
+37.04%
% of All Funds
2%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
28
Increased
39
Reduced
5
Closed
8
Calls
$543K
Puts
$1.36M
Net Calls
-$813K
Net Calls Change
-$813K

Top Buyers

1
UBS AM
1
UBS AM
Illinois
$32.7M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$52.7M
3
1WCM
3
12 West Capital Management
New York
$8.2M
4
BFA
4
BlackRock Fund Advisors
California
$18.3M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$18.6M

Top Sellers

1
EAM
1
EverPoint Asset Management
Connecticut
$0
2
BAMCO Inc
2
BAMCO Inc
New York
$369K
3
SFM
3
Sphera Funds Management
Israel
$0
4
Citigroup
4
Citigroup
New York
$14K
5
Point72 Asset Management
5
Point72 Asset Management
Connecticut
$0
Name Market Value Shares Shares
Change 		Shares
Change %
BG
1
Baupost Group
Massachusetts
$254M 4,809,632 +46,367 +1%
EC
2
EcoR1 Capital
California
$56.1M 1,063,189 – –
Fidelity Investments
3
Fidelity Investments
Massachusetts
$52.7M 997,959 +304,126 +44%
VAM
4
Visium Asset Management
New York
$47.7M 904,514 -5,486 -0.6%
UBS AM
5
UBS AM
Illinois
$32.7M 619,509 +465,385 +302%
Jennison Associates
6
Jennison Associates
New York
$31.6M 599,485 +4,727 +0.8%
BM
7
Bridger Management
New York
$26.4M 501,297 +26,462 +6%
Neuberger Berman Group
8
Neuberger Berman Group
New York
$23.5M 446,020 -757 -0.2%
RG
9
Redmile Group
California
$19.7M 372,642 +107,437 +41%
Vanguard Group
10
Vanguard Group
Pennsylvania
$18.6M 352,709 +136,221 +63%
BFA
11
BlackRock Fund Advisors
California
$18.3M 346,203 +152,477 +79%
TAM
12
Tiverton Asset Management
Delaware
$11.9M 225,113 +35,113 +18%
JPMorgan Chase & Co
13
JPMorgan Chase & Co
New York
$10.6M 200,700 +56,550 +39%
State Street
14
State Street
Massachusetts
$10.1M 190,848 +119,236 +167%
BIT
15
BlackRock Institutional Trust
California
$9.69M 183,679 +110,822 +152%
1WCM
16
12 West Capital Management
New York
$8.2M 155,447 +155,447 New
ACH
17
ArrowMark Colorado Holdings
Colorado
$6.53M 123,668 +1,534 +1%
GTC
18
Ghost Tree Capital
New York
$5.28M 100,000 +100,000 New
TRSOTSOK
19
Teachers Retirement System of the State of Kentucky
Kentucky
$4.52M 85,700 +85,700 New
Northern Trust
20
Northern Trust
Illinois
$4.45M 84,384 +14,472 +21%
CCM
21
Cupps Capital Management
Illinois
$4.15M 78,660 +78,660 New
Bank of New York Mellon
22
Bank of New York Mellon
New York
$4.01M 76,044 +46,066 +154%
TCIM
23
TIAA CREF Investment Management
New York
$3.44M 65,245 +46,124 +241%
Geode Capital Management
24
Geode Capital Management
Massachusetts
$3.4M 64,431 +7,429 +13%
CAM
25
Cormorant Asset Management
Massachusetts
$2.64M 50,000 +50,000 New
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