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Prothena Corp

Name Holding Trade Value Shares
Change
Change in
Stake
EC
1
EcoR1 Capital
California
$98.6M
O
2
OrbiMed
New York
$37.1M +$7.14M +642,236 +22%
BlackRock
3
BlackRock
New York
$31.8M -$3.92M -352,727 -10%
GPP
4
Great Point Partners
Connecticut
$21.8M
Fidelity Investments
5
Fidelity Investments
Massachusetts
$20.5M -$13.1M -1,175,504 -38%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$18.8M -$284K -25,569 -1%
State Street
7
State Street
Massachusetts
$15M +$4.27M +384,177 +36%
RSCM
8
Rock Springs Capital Management
Maryland
$10.3M +$5.44M +489,218 +98%
Wellington Management Group
9
Wellington Management Group
Massachusetts
$9.47M -$280K -25,211 -3%
Vanguard Group
10
Vanguard Group
Pennsylvania
$8.09M -$211K -19,031 -2%
PAI
11
Palo Alto Investors
California
$8.06M -$47K -4,231 -0.5%
SCM
12
Soleus Capital Management
Connecticut
$7.06M +$7.5M +674,603 New
Millennium Management
13
Millennium Management
New York
$6.75M +$89.1K +8,017 +1%
WP
14
Woodline Partners
California
$6.28M +$1.95M +175,862 +41%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$5.74M -$458K -41,208 -7%
Northern Trust
16
Northern Trust
Illinois
$4.51M -$928K -83,505 -16%
Goldman Sachs
17
Goldman Sachs
New York
$4.46M +$189K +17,027 +4%
ECM
18
Endurant Capital Management
California
$4.22M +$1.64M +147,844 +58%
Renaissance Technologies
19
Renaissance Technologies
New York
$4.06M +$3.37M +303,062 +357%
AG
20
Artal Group
Luxembourg
$3.87M +$778K +70,000 +23%
Nuveen
21
Nuveen
North Carolina
$3.77M -$1.68M -151,535 -30%
D.E. Shaw & Co
22
D.E. Shaw & Co
New York
$3.65M +$121K +10,928 +3%
PA
23
Pinnacle Associates
New York
$3.59M -$67.2K -6,045 -2%
Jacobs Levy Equity Management
24
Jacobs Levy Equity Management
New Jersey
$3.48M +$2.26K +203 +0.1%
LCM
25
Lonestar Capital Management
California
$3.02M -$567K -50,986 -15%