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Prothena Corp

Name Holding Trade Value Shares
Change
Change in
Stake
EC
1
EcoR1 Capital
California
$73.9M +$77.3M +8,703,340 +1,203%
BlackRock
2
BlackRock
New York
$26.9M +$669K +75,346 +2%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$26.4M -$6.42M -722,610 -18%
O
4
OrbiMed
New York
$23.7M -$383K -43,161 -1%
GPP
5
Great Point Partners
Connecticut
$16.2M +$3.46M +389,791 +23%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$14.4M +$538K +60,519 +3%
Citadel Advisors
7
Citadel Advisors
Florida
$10.9M -$900K -101,290 -7%
Millennium Management
8
Millennium Management
New York
$9.63M +$6.15M +692,291 +129%
State Street
9
State Street
Massachusetts
$9.38M -$1.64M -184,789 -13%
Wellington Management Group
10
Wellington Management Group
Massachusetts
$8.22M -$695K -78,217 -7%
PAI
11
Palo Alto Investors
California
$7.88M -$924K -104,061 -9%
Vanguard Group
12
Vanguard Group
Pennsylvania
$6.68M +$345K +38,883 +5%
Morgan Stanley
13
Morgan Stanley
New York
$4.29M -$328K -36,939 -6%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$4.17M -$405K -45,647 -8%
Northern Trust
15
Northern Trust
Illinois
$3.87M -$238K -26,761 -5%
TCM
16
Tang Capital Management
California
$3.32M +$888K +100,000 +31%
Goldman Sachs
17
Goldman Sachs
New York
$2.82M -$1.12M -125,994 -26%
D.E. Shaw & Co
18
D.E. Shaw & Co
New York
$2.77M -$661K -74,423 -17%
Bank of New York Mellon
19
Bank of New York Mellon
New York
$2.62M -$48.7K -5,483 -2%
LCM
20
Lonestar Capital Management
California
$2.35M +$2.66M +300,000 New
Jacobs Levy Equity Management
21
Jacobs Levy Equity Management
New Jersey
$2.27M +$413K +46,521 +19%
Nuveen
22
Nuveen
North Carolina
$2.11M +$139K +15,651 +6%
Charles Schwab
23
Charles Schwab
California
$1.83M -$6.43K -724 -0.3%
Two Sigma Advisers
24
Two Sigma Advisers
New York
$1.73M -$487K -54,800 -20%
OAM
25
Oxford Asset Management
United Kingdom
$1.54M +$1.19K +134 +0.1%