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Prothena Corp
PRTA

Overview Fund Activity

124 hedge funds and large institutions have $1.02B invested in Prothena Corp in 2015 Q1 according to their latest regulatory filings, with 14 funds opening new positions, 44 increasing their positions, 25 reducing their positions, and 17 closing their positions.

Holders
124
Holders Change
-3
Holders Change %
-2.36%
% of All Funds
3.31%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
14
Increased
44
Reduced
25
Closed
17
Calls
$4.7M
Puts
$9.69M
Net Calls
-$4.99M
Net Calls Change
-$3.81M

Top Buyers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$66.2M
2
WIM
2
Woodford Investment Management
United Kingdom
$141M
3
VAM
3
Visium Asset Management
New York
$11.5M
4
Invesco
4
Invesco
Georgia
$10.1M
5
TI
5
Turner Investments
Pennsylvania
$9.54M

Top Sellers

1
PC
1
PointState Capital
New York
$0
2
NI
2
Numeric Investors
Massachusetts
$0
3
PA
3
Perceptive Advisors
New York
$0
4
Millennium Management
4
Millennium Management
New York
$28.2M
5
Jennison Associates
5
Jennison Associates
New York
$22M
Name Market Value Shares Shares
Change 		Shares
Change %
WMSA
51
Weiss Multi-Strategy Advisers
New York
$954K 25,000 -40,000 -62%
Wells Fargo
52
Wells Fargo
California
$914K 23,974 +10,323 +76%
SG Americas Securities
53
SG Americas Securities
New York
$759K 19,910 -3,525 -15%
NFA
54
Nationwide Fund Advisors
Ohio
$745K 19,529 -824 -4%
Royal Bank of Canada
55
Royal Bank of Canada
Ontario, Canada
$695K 18,208 +15,845 +671%
Marshall Wace
56
Marshall Wace
United Kingdom
$689K 18,070 +18,070 New
Group One Trading
57
Group One Trading
Illinois
$657K 17,227 +8,558 +99%
AIG
58
American International Group
New York
$639K 16,760 – –
State Board of Administration of Florida Retirement System
59
State Board of Administration of Florida Retirement System
Florida
$558K 14,633 +150 +1%
California Public Employees Retirement System
60
California Public Employees Retirement System
California
$537K 22,600 – –
Neuberger Berman Group
61
Neuberger Berman Group
New York
$535K 14,026 +14,026 New
Public Employees Retirement Association of Colorado
62
Public Employees Retirement Association of Colorado
Colorado
$526K 13,780 – –
VOYA Investment Management
63
VOYA Investment Management
Georgia
$504K 13,212 – –
OAC
64
OMERS Administration Corp
Ontario, Canada
$492K 12,900 – –
DekaBank Deutsche Girozentrale
65
DekaBank Deutsche Girozentrale
Germany
$488K 12,800 -1,900 -13%
Morgan Stanley
66
Morgan Stanley
New York
$455K 11,948 -107,089 -90%
CAM
67
ClariVest Asset Management
California
$427K 11,200 +100 +0.9%
UBS Group
68
UBS Group
Switzerland
$385K 10,091 +1,309 +15%
PNC Financial Services Group
69
PNC Financial Services Group
Pennsylvania
$366K 9,618 +44 +0.5%
Citigroup
70
Citigroup
New York
$355K 9,300 -5,365 -37%
Simplex Trading
71
Simplex Trading
Illinois
$345K 9,060 +505 +6%
BG
72
BlackRock Group
United Kingdom
$324K 8,491 +2,006 +31%
Susquehanna International Group
73
Susquehanna International Group
Pennsylvania
$284K 7,459 -60,352 -89%
CPIG
74
Chicago Partners Investment Group
Illinois
$280K 13,468 +8,814 +189%
MAM
75
Martingale Asset Management
Massachusetts
$279K 7,301 +7,301 New
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