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Prothena Corp

Name Holding Trade Value Shares
Change
Change in
Stake
EC
1
EcoR1 Capital
California
$315M
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$162M -$4.33M -147,954 -2%
BlackRock
3
BlackRock
New York
$94.2M -$11.4M -390,286 -10%
Fidelity Investments
4
Fidelity Investments
Massachusetts
$79.4M +$7.31M +249,784 +9%
State Street
5
State Street
Massachusetts
$61M -$3.55M -121,510 -5%
FLAM
6
First Light Asset Management
Minnesota
$52.6M +$2.91M +99,635 +5%
PAI
7
Palo Alto Investors
California
$45.7M
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
$42.5M +$1.8M +61,597 +4%
Vanguard Group
9
Vanguard Group
Pennsylvania
$22.5M -$1.35M -46,224 -5%
RG
10
Redmile Group
California
$20M
Nuveen
11
Nuveen
North Carolina
$19.6M -$23.9K -817 -0.1%
Renaissance Technologies
12
Renaissance Technologies
New York
$18.6M +$8.54M +291,800 +74%
RSCM
13
Rock Springs Capital Management
Maryland
$18.4M +$437K +14,932 +2%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$17.1M -$594K -20,295 -3%
PM
15
Prosight Management
Texas
$14.9M -$484K -16,538 -3%
FC
16
Finepoint Capital
Massachusetts
$12.4M +$13.4M +457,500 New
Two Sigma Advisers
17
Two Sigma Advisers
New York
$12.2M +$922K +31,500 +8%
Morgan Stanley
18
Morgan Stanley
New York
$9.57M +$89.5K +3,061 +0.9%
Northern Trust
19
Northern Trust
Illinois
$9.56M -$368K -12,571 -3%
PHS
20
PFM Health Sciences
California
$9.37M +$10.1M +345,114 New
MRCP
21
Maple Rock Capital Partners
Ontario, Canada
$9.07M
BC
22
Boxer Capital
California
$8.14M
JP Morgan Chase
23
JP Morgan Chase
New York
$7.78M +$1.01M +34,439 +14%
Charles Schwab
24
Charles Schwab
California
$7.53M -$203K -6,927 -2%
Goldman Sachs
25
Goldman Sachs
New York
$7.33M +$340K +11,621 +4%