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Prothena Corp

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$70.5M -$3.48M -352,000 -5%
RCMNY
2
Rubric Capital Management (New York)
New York
$49M
BlackRock
3
BlackRock
New York
$47.7M +$2.21M +223,795 +5%
State Street
4
State Street
Massachusetts
$23.4M +$4.49M +454,926 +23%
Acadian Asset Management
5
Acadian Asset Management
Massachusetts
$19.7M +$4.57M +463,052 +30%
Vanguard Portfolio Management
6
Vanguard Portfolio Management
Pennsylvania
$16.2M +$2.03M +205,314 +14%
D.E. Shaw & Co
7
D.E. Shaw & Co
New York
$15.8M -$1.5M -151,890 -9%
ACM
8
ADAR1 Capital Management
Texas
$15.2M -$266K -26,908 -2%
Two Sigma Investments
9
Two Sigma Investments
New York
$12.4M +$583K +59,009 +5%
PAI
10
Palo Alto Investors
California
$11.2M -$646K -65,413 -5%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$11M +$274K +27,711 +3%
Federated Hermes
12
Federated Hermes
Pennsylvania
$10.6M +$242K +24,552 +2%
Morgan Stanley
13
Morgan Stanley
New York
$9.74M -$2.32M -235,100 -19%
Goldman Sachs
14
Goldman Sachs
New York
$9.59M +$1.59M +160,845 +20%
Jacobs Levy Equity Management
15
Jacobs Levy Equity Management
New Jersey
$9.46M -$59.5K -6,029 -0.6%
Dimensional Fund Advisors
16
Dimensional Fund Advisors
Texas
$8.87M +$1.21M +123,048 +16%
Qube Research & Technologies (QRT)
17
Qube Research & Technologies (QRT)
United Kingdom
$7.75M +$1.74M +176,566 +29%
Renaissance Technologies
18
Renaissance Technologies
New York
$6.83M +$890K +90,100 +15%
Man Group
19
Man Group
United Kingdom
$6.64M +$2.93M +296,542 +78%
Mariner
20
Mariner
Kansas
$6.12M +$612K +62,013 +11%
Nuveen
21
Nuveen
North Carolina
$5.45M -$2M -202,211 -27%
Vanguard Capital Management
22
Vanguard Capital Management
Pennsylvania
$4.7M -$41.3K -4,181 -0.9%
Northern Trust
23
Northern Trust
Illinois
$4.48M +$865K +87,582 +24%
BC
24
Birchview Capital
Vermont
$4.4M
RC
25
Rangeley Capital
Connecticut
$4.09M -$318K -32,190 -7%