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Prothena Corp

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$73M +$20.3M +808,732 +42%
RCM
2
RA Capital Management
Massachusetts
$43.5M -$131K -5,232 -0.3%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$38.6M +$31.6M +1,259,022 +637%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$37.6M +$7.67M +305,861 +27%
O
5
OrbiMed
New York
$31.9M +$30.1M +1,202,000 New
Adage Capital Partners
6
Adage Capital Partners
Massachusetts
$25.6M -$1.28M -51,072 -5%
Westfield Capital Management
7
Westfield Capital Management
Massachusetts
$24.9M +$23.6M +939,780 New
Jennison Associates
8
Jennison Associates
New York
$22.1M +$8.57M +341,761 +69%
BFA
9
BlackRock Fund Advisors
California
$17.1M +$7.63M +304,232 +89%
PAI
10
Palo Alto Investors
California
$14.3M +$11.3M +448,918 +507%
DM
11
Deerfield Management
New York
$14M +$13.3M +528,705 New
BBA
12
Baker Bros. Advisors
New York
$8.94M -$821K -32,732 -9%
Norges Bank
13
Norges Bank
Norway
$6.9M -$2.25M -89,712 -26%
GC
14
Guggenheim Capital
Illinois
$6.67M +$6.3M +251,345 New
Northern Trust
15
Northern Trust
Illinois
$5.24M +$1.11M +44,065 +29%
State Street
16
State Street
Massachusetts
$5.17M +$1.08M +43,073 +28%
Millennium Management
17
Millennium Management
New York
$5.01M +$2.94M +117,379 +164%
Vanguard Group
18
Vanguard Group
Pennsylvania
$4.46M +$1.23M +49,036 +41%
BIT
19
BlackRock Institutional Trust
California
$4.41M +$178K +7,079 +4%
GTC
20
Ghost Tree Capital
New York
$3.45M +$3.26M +130,000 New
Goldman Sachs
21
Goldman Sachs
New York
$2.58M +$2.44M +97,104 New
Geode Capital Management
22
Geode Capital Management
Massachusetts
$2.42M +$796K +31,734 +53%
Invesco
23
Invesco
Georgia
$2.31M +$420K +16,743 +24%
TC
24
TFS Capital
Pennsylvania
$2.06M -$111K -4,429 -5%
WMSA
25
Weiss Multi-Strategy Advisers
New York
$1.99M +$803K +32,000 +74%