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Prothena Corp

Name Holding Trade Value Shares
Change
Change in
Stake
EC
1
EcoR1 Capital
California
$149M
BlackRock
2
BlackRock
New York
$54.2M -$26.7K -2,491 -0.1%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$52.7M -$485K -45,210 -1%
O
4
OrbiMed
New York
$45.9M -$1.29M -119,878 -4%
GPP
5
Great Point Partners
Connecticut
$33.3M +$374K +34,900 +2%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$29M -$26.5K -2,470 -0.1%
State Street
7
State Street
Massachusetts
$16.4M -$1.7M -158,351 -13%
PAI
8
Palo Alto Investors
California
$15.7M -$125K -11,700 -1%
Wellington Management Group
9
Wellington Management Group
Massachusetts
$15.4M -$801K -74,672 -7%
Citadel Advisors
10
Citadel Advisors
Florida
$14.6M -$5M -466,106 -34%
Vanguard Group
11
Vanguard Group
Pennsylvania
$12.2M -$898K -83,762 -10%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$9.01M +$405K +37,767 +7%
Millennium Management
13
Millennium Management
New York
$8.33M -$7.53M -702,207 -57%
Northern Trust
14
Northern Trust
Illinois
$8.15M +$223K +20,816 +4%
Goldman Sachs
15
Goldman Sachs
New York
$7.43M +$1.18M +109,645 +30%
TCM
16
Tang Capital Management
California
$6.71M
PA
17
Pinnacle Associates
New York
$6.33M +$2.27M +211,319 +112%
Nuveen
18
Nuveen
North Carolina
$6.03M +$1.2M +112,202 +42%
D.E. Shaw & Co
19
D.E. Shaw & Co
New York
$5.46M -$98.6K -9,195 -3%
Bank of New York Mellon
20
Bank of New York Mellon
New York
$5.33M +$28.8K +2,683 +0.8%
WP
21
Woodline Partners
California
$5.13M +$3.47M +324,005 New
Point72 Asset Management
22
Point72 Asset Management
Connecticut
$5.1M +$3.46M +322,300 New
Jacobs Levy Equity Management
23
Jacobs Levy Equity Management
New Jersey
$4.98M +$263K +24,513 +8%
LCM
24
Lonestar Capital Management
California
$4.75M
AG
25
Artal Group
Luxembourg
$4.75M +$3.22M +300,000 New