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Prothena Corp
PRTA

Overview Fund Activity

127 hedge funds and large institutions have $542M invested in Prothena Corp in 2014 Q4 according to their latest regulatory filings, with 24 funds opening new positions, 38 increasing their positions, 32 reducing their positions, and 22 closing their positions.

Holders
127
Holders Change
–
Holders Change %
0%
% of All Funds
3.39%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
24
Increased
38
Reduced
32
Closed
22
Calls
$3.1M
Puts
$4.28M
Net Calls
-$1.18M
Net Calls Change
-$4.07M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$71.3M
2
Millennium Management
2
Millennium Management
New York
$18M
3
NI
3
Numeric Investors
Massachusetts
$7.44M
4
State Street
4
State Street
Massachusetts
$23.9M
5
BIT
5
BlackRock Institutional Trust
California
$9.22M

Top Sellers

1
Adage Capital Partners
1
Adage Capital Partners
Massachusetts
$0
2
TCIM
2
TIAA CREF Investment Management
New York
$2.06M
3
Arrowstreet Capital
3
Arrowstreet Capital
Massachusetts
$0
4
OM
4
Opaleye Management
Massachusetts
$0
5
PC
5
PointState Capital
New York
$8.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
California Public Employees Retirement System
51
California Public Employees Retirement System
California
$537K – – –
ARTA
52
A.R.T. Advisors
New York
$495K +$147K +7,075 +42%
ProShare Advisors
53
ProShare Advisors
Maryland
$494K -$17.2K -829 -3%
SG Americas Securities
54
SG Americas Securities
New York
$487K +$331K +15,940 +213%
NFA
55
Nationwide Fund Advisors
Ohio
$423K -$1.31K -63 -0.3%
TI
56
Trexquant Investment
Connecticut
$407K +$407K +19,636 New
HCM
57
Highbridge Capital Management
New York
$348K +$109K +5,260 +46%
AIG
58
American International Group
New York
$348K -$11.1K -537 -3%
Capital Fund Management (CFM)
59
Capital Fund Management (CFM)
France
$320K +$320K +15,400 New
DekaBank Deutsche Girozentrale
60
DekaBank Deutsche Girozentrale
Germany
$304K -$26.9K -1,300 -8%
Citigroup
61
Citigroup
New York
$304K +$266K +12,834 +701%
State Board of Administration of Florida Retirement System
62
State Board of Administration of Florida Retirement System
Florida
$301K – – –
Public Employees Retirement Association of Colorado
63
Public Employees Retirement Association of Colorado
Colorado
$286K +$286K +13,780 New
Wells Fargo
64
Wells Fargo
California
$283K +$121K +5,849 +75%
VOYA Investment Management
65
VOYA Investment Management
Georgia
$274K – – –
NCCM
66
Nine Chapters Capital Management
New Jersey
$270K +$270K +13,000 New
OAC
67
OMERS Administration Corp
Ontario, Canada
$268K -$47.8K -2,300 -15%
Invesco
68
Invesco
Georgia
$233K +$45.4K +2,193 +24%
CAM
69
ClariVest Asset Management
California
$231K -$363K -17,420 -61%
AIS
70
AlphaOne Investment Services
Pennsylvania
$222K +$222K +10,700 New
Los Angeles Capital Management
71
Los Angeles Capital Management
California
$220K +$220K +10,620 New
Barclays
72
Barclays
United Kingdom
$208K -$60.5K -3,042 -23%
PNC Financial Services Group
73
PNC Financial Services Group
Pennsylvania
$198K -$37.4K -1,806 -16%
UBS Group
74
UBS Group
Switzerland
$182K +$182K +8,782 New
Group One Trading
75
Group One Trading
Illinois
$180K -$223K -10,758 -55%
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