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Prothena Corp

Name Holding Trade Value Shares
Change
Change in
Stake
IC
151
Ikarian Capital
Texas
– -$11M -437,430 Closed
Jacobs Levy Equity Management
152
Jacobs Levy Equity Management
New Jersey
– -$7.88M -313,851 Closed
Hudson Bay Capital Management
153
Hudson Bay Capital Management
Connecticut
– -$1.76M -70,000 Closed
EP
154
Eversept Partners
New York
– -$1.72M -68,575 Closed
Acadian Asset Management
155
Acadian Asset Management
Massachusetts
– -$1.66M -66,043 Closed
Russell Investments Group
156
Russell Investments Group
United Kingdom
– -$1.63M -65,119 Closed
California Public Employees Retirement System
157
California Public Employees Retirement System
California
– -$1.57M -62,500 Closed
Citadel Advisors
158
Citadel Advisors
Florida
– -$1.76M -56,273 Closed
BFM
159
Boothbay Fund Management
New York
– -$1.21M -48,162 Closed
MWNA
160
Marshall Wace North America
New York
– -$769K -30,601 Closed
Walleye Trading
161
Walleye Trading
New York
– -$593K -23,587 Closed
Marshall Wace
162
Marshall Wace
United Kingdom
– -$591K -23,553 Closed
SM
163
SG3 Management
Puerto Rico
– -$565K -22,500 Closed
CM
164
Caption Management
Oklahoma
– -$655K -21,000 Closed
Ameriprise
165
Ameriprise
Minnesota
– -$447K -17,792 Closed
CAM
166
Connacht Asset Management
New York
– -$385K -15,313 Closed
Belvedere Trading
167
Belvedere Trading
Illinois
– -$366K -14,584 Closed
Natixis Advisors
168
Natixis Advisors
Massachusetts
– -$325K -12,972 Closed
MLICM
169
Metropolitan Life Insurance Company (MetLife)
New York
– -$240K -9,566 Closed
Group One Trading
170
Group One Trading
Illinois
– -$236K -7,550 Closed
QT
171
Quantbot Technologies
New York
– -$61K -2,451 Closed
Bank of Montreal
172
Bank of Montreal
Ontario, Canada
– -$54K -2,300 Closed
SWM
173
Spire Wealth Management
Virginia
– -$29K -1,068 Closed
Pacer Advisors
174
Pacer Advisors
Pennsylvania
– -$24K -952 Closed
NFG
175
Next Financial Group
Texas
– -$187 -6 -67%