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Prothena Corp
PRTA

Overview Fund Activity

145 hedge funds and large institutions have $2.3B invested in Prothena Corp in 2017 Q2 according to their latest regulatory filings, with 17 funds opening new positions, 54 increasing their positions, 34 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
145
Holders Change
-1
Holders Change %
-0.68%
% of All Funds
3.62%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.02%
New
17
Increased
54
Reduced
34
Closed
18
Calls
$9.05M
Puts
$10.9M
Net Calls
-$1.8M
Net Calls Change
+$702K

Top Buyers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$37M
2
WIM
2
Woodford Investment Management
United Kingdom
$617M
3
PC
3
PointState Capital
New York
$14.7M
4
BlackRock
4
BlackRock
New York
$160M
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$177M

Top Sellers

1
RG
1
Redmile Group
California
$27.6M
2
GTC
2
Ghost Tree Capital
New York
$0
3
HCMT
3
Highland Capital Management (Texas)
Texas
$0
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$239M
5
AAMU
5
Amundi Asset Management US
Massachusetts
$3.14M
Name Holding Trade Value Shares
Change 		Shares
Change %
CAW
126
Cornerstone Advisors (Washington)
Washington
$4K – – –
HNB
127
Huntington National Bank
Ohio
$4K – – –
SSB
128
Sandy Spring Bank
Maryland
$3K – – –
PSUF
129
People's United Financial
Connecticut
$3K – – –
UBS AM
130
UBS AM
Illinois
$2.6K – – –
KTC
131
Kistler-Tiffany Companies
Pennsylvania
$2K +$2K +29 New
Fifth Third Bancorp
132
Fifth Third Bancorp
Ohio
$1K – – –
WT
133
Whittier Trust
California
$1K – – –
CFA
134
Camarda Financial Advisors
Florida
$1K – – –
GTC
135
Ghost Tree Capital
New York
– -$5.58M -100,000 Closed
HCMT
136
Highland Capital Management (Texas)
Texas
– -$5.07M -90,943 Closed
Tudor Investment Corp
137
Tudor Investment Corp
Connecticut
– -$2.12M -38,008 Closed
PC
138
Polar Capital
United Kingdom
– -$1.67M -30,000 Closed
PI
139
Putnam Investments
Massachusetts
– -$1.58M -28,254 Closed
ECM
140
Endurant Capital Management
California
– -$815K -14,600 Closed
Millennium Management
141
Millennium Management
New York
– -$596K -10,691 Closed
Jane Street
142
Jane Street
New York
– -$487K -8,731 Closed
GCP
143
GSA Capital Partners
United Kingdom
– -$396K -7,105 Closed
MWNA
144
Marshall Wace North America
New York
– -$388K -6,934 Closed
Stifel Financial
145
Stifel Financial
Missouri
– -$224K -4,000 Closed
FPS
146
Fieldpoint Private Securities
Connecticut
– -$84K -1,500 Closed
NIT
147
NumerixS Investment Technologies
British Columbia, Canada
– -$50K -900 Closed
CPIG
148
Chicago Partners Investment Group
Illinois
– -$26K -458 Closed
FPF
149
FNY Partners Fund
New York
– -$13K -250 Closed
MPWT
150
MassMutual Private Wealth & Trust
Connecticut
– -$1.34K -24 Closed
3 4 5
6
7