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Prothena Corp

Name Holding Trade Value Shares
Change
Change in
Stake
EC
1
EcoR1 Capital
California
$557M
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$294M -$6.31M -113,768 -2%
BlackRock
3
BlackRock
New York
$191M +$5.69M +102,596 +3%
Fidelity Investments
4
Fidelity Investments
Massachusetts
$131M -$426K -7,690 -0.3%
State Street
5
State Street
Massachusetts
$97.5M +$31.5M +567,706 +40%
PAI
6
Palo Alto Investors
California
$83.3M
FLAM
7
First Light Asset Management
Minnesota
$80.2M +$9.62M +173,447 +12%
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
$74M -$4.5M -81,111 -5%
Vanguard Group
9
Vanguard Group
Pennsylvania
$44.5M +$1.81M +32,726 +4%
RG
10
Redmile Group
California
$37.8M -$7.53M -135,816 -15%
RSCM
11
Rock Springs Capital Management
Maryland
$32M -$3.48M -62,700 -9%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$30.8M +$189K +3,401 +0.5%
Nuveen
13
Nuveen
North Carolina
$24.6M +$1.04M +18,769 +4%
Northern Trust
14
Northern Trust
Illinois
$22M +$213K +3,834 +0.9%
PM
15
Prosight Management
Texas
$21.8M +$6.53M +117,700 +36%
Two Sigma Advisers
16
Two Sigma Advisers
New York
$20.2M -$3.62M -65,300 -14%
Two Sigma Investments
17
Two Sigma Investments
New York
$14.9M -$1.09M -19,712 -6%
BC
18
Boxer Capital
California
$14.8M
Renaissance Technologies
19
Renaissance Technologies
New York
$13.2M +$532K +9,600 +4%
UBS AM
20
UBS AM
Illinois
$12.8M -$1.1M -19,849 -7%
Charles Schwab
21
Charles Schwab
California
$12.6M +$771K +13,899 +6%
Millennium Management
22
Millennium Management
New York
$10.9M +$3.78M +68,222 +45%
JP Morgan Chase
23
JP Morgan Chase
New York
$10.6M +$11.1M +201,056 +1,407%
Marshall Wace
24
Marshall Wace
United Kingdom
$10.6M +$8.08M +145,799 +212%
Goldman Sachs
25
Goldman Sachs
New York
$10.6M +$7.66M +138,207 +182%