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Atara Biotherapeutics
ATRA

Overview Fund Activity

85 hedge funds and large institutions have $493M invested in Atara Biotherapeutics in 2017 Q1 according to their latest regulatory filings, with 12 funds opening new positions, 32 increasing their positions, 21 reducing their positions, and 8 closing their positions.

Holders
85
Holders Change
-1
Holders Change %
-1.16%
% of All Funds
2.12%
Holding in Top 10
2
Holding in Top 10 Change
+2
Holding in Top 10 Change %
%
% of All Funds
0.05%
New
12
Increased
32
Reduced
21
Closed
8
Calls
$540K
Puts
$261K
Net Calls
+$279K
Net Calls Change
+$279K

Top Buyers

1
BlackRock
1
BlackRock
New York
$35.5M
2
BM
2
Bridger Management
New York
$29M
3
RI
3
RTW Investments
New York
$18.7M
4
ACH
4
ArrowMark Colorado Holdings
Colorado
$39.7M
5
EC
5
EcoR1 Capital
California
$8.94M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$40.4M
2
UBS AM
2
UBS AM
Illinois
$0
3
SPC
3
Slate Path Capital
New York
$0
4
TA
4
Teachers Advisors
New York
$946K
5
Alyeska Investment Group
5
Alyeska Investment Group
Illinois
$6.84M
Name Market Value Shares Shares
Change 		Shares
Change %
BG
1
Baupost Group
Massachusetts
$110M 5,359,632 – –
RG
2
Redmile Group
California
$56.2M 2,734,118 +63,176 +2%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$40.4M 1,965,768 -816,679 -29%
ACH
4
ArrowMark Colorado Holdings
Colorado
$39.7M 1,931,522 +370,910 +24%
BlackRock
5
BlackRock
New York
$35.5M 1,726,197 +1,713,713 +13,727%
BM
6
Bridger Management
New York
$29M 1,408,905 +610,584 +76%
EAM
7
Eagle Asset Management
Florida
$26M 1,267,609 +156,911 +14%
RI
8
RTW Investments
New York
$18.7M 908,733 +536,109 +144%
Neuberger Berman Group
9
Neuberger Berman Group
New York
$17.2M 836,515 +86,375 +12%
Vanguard Group
10
Vanguard Group
Pennsylvania
$17.1M 831,925 +81,634 +11%
State Street
11
State Street
Massachusetts
$12.6M 614,785 +14,264 +2%
AG
12
Artal Group
Luxembourg
$10.3M 500,000 – –
EC
13
EcoR1 Capital
California
$8.94M 434,812 +219,000 +101%
1WCM
14
12 West Capital Management
New York
$8.19M 398,700 – –
Alyeska Investment Group
15
Alyeska Investment Group
Illinois
$6.84M 332,925 -75,275 -18%
Norges Bank
16
Norges Bank
Norway
$5.83M 283,882 – –
Northern Trust
17
Northern Trust
Illinois
$5.48M 266,674 +6,779 +3%
Goldman Sachs
18
Goldman Sachs
New York
$4.14M 201,214 +173,184 +618%
Adage Capital Partners
19
Adage Capital Partners
Massachusetts
$3.68M 179,000 – –
Morgan Stanley
20
Morgan Stanley
New York
$3.6M 175,058 +104,369 +148%
Geode Capital Management
21
Geode Capital Management
Massachusetts
$3.57M 173,639 +7,231 +4%
Bank of America
22
Bank of America
North Carolina
$2.68M 130,645 +12,672 +11%
CCM
23
Camber Capital Management
Massachusetts
$2.57M 125,000 +125,000 New
Bank of New York Mellon
24
Bank of New York Mellon
New York
$2.47M 120,097 +6,069 +5%
Charles Schwab
25
Charles Schwab
California
$1.64M 79,580 +4,446 +6%
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