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Prothena Corp

Name Holding Trade Value Shares
Change
Change in
Stake
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$66.2M +$17M +680,600 +30%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$62.1M -$28.2M -1,128,289 -29%
Wellington Management Group
3
Wellington Management Group
Massachusetts
$53.3M +$18.4M +737,613 +45%
Bank of America
4
Bank of America
North Carolina
$37.3M +$41.2M +1,649,241 +24,243%
Westfield Capital Management
5
Westfield Capital Management
Massachusetts
$23.9M +$13.7M +548,890 +107%
Capital World Investors
6
Capital World Investors
California
$22.8M +$4.62M +184,859 +22%
State Street
7
State Street
Massachusetts
$20.3M +$17M +680,869 +312%
Jennison Associates
8
Jennison Associates
New York
$19.7M +$2.6M +104,060 +14%
BFA
9
BlackRock Fund Advisors
California
$18.1M +$3.45M +137,972 +21%
Millennium Management
10
Millennium Management
New York
$15.6M -$1.27M -50,954 -7%
Adage Capital Partners
11
Adage Capital Partners
Massachusetts
$12.4M -$6.67M -266,757 -33%
PAI
12
Palo Alto Investors
California
$12M +$27.5K +1,100 +0.2%
Norges Bank
13
Norges Bank
Norway
$11.3M +$6.14M +245,561 +97%
PA
14
Perceptive Advisors
New York
$10.9M +$3.33M +133,162 +38%
TCIM
15
TIAA CREF Investment Management
New York
$9.1M +$8.48M +339,222 +527%
RG
16
Redmile Group
California
$8.36M -$4.73M -189,091 -34%
Vanguard Group
17
Vanguard Group
Pennsylvania
$8.05M +$2.86M +114,459 +47%
TC
18
TFS Capital
Pennsylvania
$6.95M +$7.16M +286,150 +1,288%
JHIU
19
Janus Henderson Investors US
Colorado
$6.73M +$7.46M +298,456 New
BIT
20
BlackRock Institutional Trust
California
$6.42M +$2.78M +111,315 +64%
NI
21
Numeric Investors
Massachusetts
$5.63M +$6.24M +249,722 New
GC
22
Guggenheim Capital
Illinois
$5.48M -$554K -22,164 -8%
Alyeska Investment Group
23
Alyeska Investment Group
Illinois
$5.3M +$5.88M +235,000 New
TA
24
Teachers Advisors
New York
$4.29M +$4.23M +169,304 +818%
BIM
25
Bogle Investment Management
Massachusetts
$4.17M +$4.63M +185,008 New