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Atara Biotherapeutics
ATRA

Overview Fund Activity

90 hedge funds and large institutions have $612M invested in Atara Biotherapeutics in 2015 Q3 according to their latest regulatory filings, with 22 funds opening new positions, 54 increasing their positions, 10 reducing their positions, and 6 closing their positions.

Holders
90
Holders Change
+16
Holders Change %
+21.62%
% of All Funds
2.52%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.08%
New
22
Increased
54
Reduced
10
Closed
6
Calls
$1.46M
Puts
$1.29M
Net Calls
+$173K
Net Calls Change
+$986K

Top Buyers

1
BAMCO Inc
1
BAMCO Inc
New York
$24.1M
2
RG
2
Redmile Group
California
$33M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$50.4M
4
State Street
4
State Street
Massachusetts
$24.3M
5
EAM
5
Eagle Asset Management
Florida
$17.7M

Top Sellers

1
EC
1
EcoR1 Capital
California
$25.3M
2
VAM
2
Visium Asset Management
New York
$26.2M
3
TAM
3
Tiverton Asset Management
Delaware
$5.82M
4
CCM
4
Cadence Capital Management
Massachusetts
$0
5
EI
5
EAM Investors
California
$0
Name Market Value Shares Shares
Change 		Shares
Change %
BG
1
Baupost Group
Massachusetts
$169M 5,359,632 +550,000 +11%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$50.4M 1,604,081 +606,122 +61%
UBS AM
3
UBS AM
Illinois
$34.8M 1,105,558 +486,049 +78%
RG
4
Redmile Group
California
$33M 1,049,782 +677,140 +182%
Jennison Associates
5
Jennison Associates
New York
$26.5M 844,180 +244,695 +41%
VAM
6
Visium Asset Management
New York
$26.2M 832,445 -72,069 -8%
EC
7
EcoR1 Capital
California
$25.3M 803,458 -259,731 -24%
State Street
8
State Street
Massachusetts
$24.3M 773,448 +582,600 +305%
BAMCO Inc
9
BAMCO Inc
New York
$24.1M 764,988 +757,988 +10,828%
BM
10
Bridger Management
New York
$23.1M 734,418 +233,121 +47%
Vanguard Group
11
Vanguard Group
Pennsylvania
$17.9M 569,038 +216,329 +61%
EAM
12
Eagle Asset Management
Florida
$17.7M 562,432 +562,432 New
Neuberger Berman Group
13
Neuberger Berman Group
New York
$14.9M 473,670 +27,650 +6%
ACH
14
ArrowMark Colorado Holdings
Colorado
$14.9M 472,454 +348,786 +282%
BFA
15
BlackRock Fund Advisors
California
$12.6M 401,745 +55,542 +16%
BIT
16
BlackRock Institutional Trust
California
$12M 382,369 +198,690 +108%
RI
17
RTW Investments
New York
$8.27M 262,995 +262,995 New
1WCM
18
12 West Capital Management
New York
$7.29M 231,697 +76,250 +49%
TAM
19
Tiverton Asset Management
Delaware
$5.82M 185,113 -40,000 -18%
Northern Trust
20
Northern Trust
Illinois
$5.75M 182,734 +98,350 +117%
JPMorgan Chase & Co
21
JPMorgan Chase & Co
New York
$5.53M 176,046 -24,654 -12%
CAM
22
Cormorant Asset Management
Massachusetts
$4.72M 150,000 +100,000 +200%
TRSOTSOK
23
Teachers Retirement System of the State of Kentucky
Kentucky
$3.97M 126,400 +40,700 +47%
Geode Capital Management
24
Geode Capital Management
Massachusetts
$3.8M 120,893 +56,462 +88%
Invesco
25
Invesco
Georgia
$3.46M 110,098 +109,996 +107,839%
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