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Prothena Corp
PRTA

Overview Fund Activity

155 hedge funds and large institutions have $1.63B invested in Prothena Corp in 2017 Q4 according to their latest regulatory filings, with 37 funds opening new positions, 51 increasing their positions, 40 reducing their positions, and 35 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
155
Holders Change
+2
Holders Change %
+1.31%
% of All Funds
3.52%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
37
Increased
51
Reduced
40
Closed
35
Calls
$6.49M
Puts
$6.99M
Net Calls
-$503K
Net Calls Change
+$346K

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$229M
2
State Street
2
State Street
Massachusetts
$52M
3
WIM
3
Woodford Investment Management
United Kingdom
$432M
4
SFM
4
Sphera Funds Management
Israel
$7.69M
5
CCM
5
Camber Capital Management
Massachusetts
$4.69M

Top Sellers

1
Loomis, Sayles & Company
1
Loomis, Sayles & Company
Massachusetts
$0
2
PI
2
Putnam Investments
Massachusetts
$0
3
O
3
OppenheimerFunds
New York
$0
4
AC
4
Ascend Capital
California
$0
5
Goldman Sachs
5
Goldman Sachs
New York
$5.86M
Name Holding Trade Value Shares
Change 		Shares
Change %
WMSA
151
Weiss Multi-Strategy Advisers
New York
– -$648K -10,000 Closed
DIA
152
Denver Investment Advisors
Colorado
– -$492K -7,590 Closed
Allianz Asset Management
153
Allianz Asset Management
Germany
– -$425K -6,560 Closed
Jane Street
154
Jane Street
New York
– -$404K -6,237 Closed
SM
155
SG3 Management
Puerto Rico
– -$389K -6,000 Closed
AG
156
Aperio Group
California
– -$379K -5,858 Closed
VF
157
Virtu Financial
New York
– -$354K -5,461 Closed
OAC
158
OMERS Administration Corp
Ontario, Canada
– -$330K -5,100 Closed
AB
159
Amalgamated Bank
New York
– -$316K -4,872 Closed
PM
160
Parametrica Management
Hong Kong
– -$307K -4,745 Closed
Squarepoint
161
Squarepoint
New York
– -$259K -3,997 Closed
BC
162
Birchview Capital
Vermont
– -$235K -3,632 Closed
Federated Hermes
163
Federated Hermes
Pennsylvania
– -$235K -3,627 Closed
Mirae Asset Global Investments
164
Mirae Asset Global Investments
South Korea
– -$214K -3,311 Closed
Tudor Investment Corp
165
Tudor Investment Corp
Connecticut
– -$214K -3,297 Closed
HFS
166
HL Financial Services
Kentucky
– -$208K -3,219 Closed
PG
167
PEAK6 Group
Illinois
– -$204K -3,150 Closed
SO
168
STRS Ohio
Ohio
– -$142K -2,200 Closed
NIT
169
NumerixS Investment Technologies
British Columbia, Canada
– -$123K -1,900 Closed
AFNAS
170
American Financial Network Advisory Services
California
– -$2K -32 Closed
JFA
171
JNBA Financial Advisors
Minnesota
– -$1K -14 Closed
WWM
172
Willingdon Wealth Management
North Carolina
– -$1K -12 Closed
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