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Prothena Corp
PRTA

Overview Fund Activity

201 hedge funds and large institutions have $2.9B invested in Prothena Corp in 2022 Q4 according to their latest regulatory filings, with 44 funds opening new positions, 77 increasing their positions, 51 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
201
Holders Change
+18
Holders Change %
+9.84%
% of All Funds
3.24%
Holding in Top 10
8
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-11.11%
% of All Funds
0.13%
New
44
Increased
77
Reduced
51
Closed
23
Calls
$25.7M
Puts
$9.23M
Net Calls
+$16.5M
Net Calls Change
-$11.2M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$106M
2
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$86.3M
3
APM
3
Avidity Partners Management
Texas
$178M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$238M
5
BlackRock
5
BlackRock
New York
$210M

Top Sellers

1
RG
1
Redmile Group
California
$0
2
Federated Hermes
2
Federated Hermes
Pennsylvania
$62.8K
3
Citadel Advisors
3
Citadel Advisors
Florida
$15K
4
SC
4
Sessa Capital
New York
$0
5
Renaissance Technologies
5
Renaissance Technologies
New York
$28.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
AB
126
Amalgamated Bank
New York
$369K +$24.5K +406 +7%
SCA
127
Snowden Capital Advisors
New York
$367K +$367K +6,098 New
Los Angeles Capital Management
128
Los Angeles Capital Management
California
$336K -$31.9K -530 -9%
Squarepoint
129
Squarepoint
New York
$332K +$332K +5,516 New
GT
130
Glenmede Trust
Pennsylvania
$325K +$325K +5,392 New
Zurich Cantonal Bank
131
Zurich Cantonal Bank
Switzerland
$325K +$71K +1,178 +28%
AC
132
AXQ Capital
New Jersey
$309K +$309K +5,125 New
BJL
133
Brighton Jones LLC
Washington
$302K +$301 +5 +0.1%
RJA
134
Raymond James & Associates
Florida
$302K +$302K +5,005 New
TI
135
Telemetry Investments
New York
$301K +$301K +5,000 New
Franklin Resources
136
Franklin Resources
California
$253K -$130K -2,150 -34%
American Century Companies
137
American Century Companies
Missouri
$251K +$251K +4,167 New
EGM
138
Engineers Gate Manager
New York
$249K +$249K +4,135 New
PAMS
139
Pictet Asset Management (Switzerland)
Switzerland
$245K +$245K +4,067 New
CAPTRUST Financial Advisors
140
CAPTRUST Financial Advisors
North Carolina
$240K +$240K +3,976 New
LNWWM
141
Laird Norton Wetherby Wealth Management
California
$231K -$195K -3,242 -46%
SFI
142
Susquehanna Fundamental Investments
Pennsylvania
$206K – – –
AIP
143
Ameritas Investment Partners
Nebraska
$162K +$12.8K +232 +9%
Amundi
144
Amundi
France
$156K -$14K -250 -8%
VEA
145
Virtus ETF Advisers
New York
$146K -$129K -2,141 -47%
MLICM
146
Metropolitan Life Insurance Company (MetLife)
New York
$140K – – –
TRCT
147
Tower Research Capital (TRC)
New York
$93K -$407K -6,767 -81%
Osaic Holdings
148
Osaic Holdings
Arizona
$81.1K +$7.57K +126 +10%
Dimensional Fund Advisors
149
Dimensional Fund Advisors
Texas
$79.6K -$9.85K -163,404 -11%
KI
150
Kapitalo Investimentos
Brazil
$78.3K +$78.3K +1,300 New
4 5
6
7 8