We are live on ! Find out more
PRTA icon

Prothena Corp

Name Holding Trade Value Shares
Change
Change in
Stake
EC
1
EcoR1 Capital
California
$421M
Fidelity Investments
2
Fidelity Investments
Massachusetts
$293M +$751K +19,506 +0.2%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$154M +$16.1M +417,338 +11%
BlackRock
4
BlackRock
New York
$137M +$8.83M +229,406 +6%
State Street
5
State Street
Massachusetts
$100M +$25M +648,331 +31%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$94.3M +$17.4M +452,455 +21%
Janus Henderson Group
7
Janus Henderson Group
$74M +$8.06M +209,375 +11%
PAI
8
Palo Alto Investors
California
$60.3M +$100K +2,599 +0.2%
FLAM
9
First Light Asset Management
Minnesota
$39.6M -$15.6M -405,238 -27%
Vanguard Group
10
Vanguard Group
Pennsylvania
$38.9M +$1.53M +39,781 +4%
Morgan Stanley
11
Morgan Stanley
New York
$35.1M +$26.8M +695,660 +259%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$32.9M +$1.77M +46,065 +5%
Dimensional Fund Advisors
13
Dimensional Fund Advisors
Texas
$31.5M -$9.05M -235,227 -21%
BC
14
Boxer Capital
California
$24.2M +$1.54M +40,000 +6%
RSCM
15
Rock Springs Capital Management
Maryland
$22.7M +$414K +10,750 +2%
AG
16
Artal Group
Luxembourg
$18.2M +$19.3M +501,360 New
EAM
17
Eventide Asset Management
Massachusetts
$16.2M
Bank of New York Mellon
18
Bank of New York Mellon
New York
$16.1M -$2.2M -57,073 -11%
GIM
19
Granahan Investment Management
Massachusetts
$15.2M +$2.66M +69,092 +20%
Northern Trust
20
Northern Trust
Illinois
$14.7M -$221K -5,737 -1%
MRCP
21
Maple Rock Capital Partners
Ontario, Canada
$13.6M +$5.35M +139,000 +59%
JP Morgan Chase
22
JP Morgan Chase
New York
$13M -$1.68M -43,553 -11%
FC
23
Finepoint Capital
Massachusetts
$12.7M
Renaissance Technologies
24
Renaissance Technologies
New York
$12.2M +$2.89M +75,200 +29%
Goldman Sachs
25
Goldman Sachs
New York
$12.1M +$3.21M +83,463 +33%