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Prothena Corp
PRTA

Overview Fund Activity

138 hedge funds and large institutions have $1.62B invested in Prothena Corp in 2015 Q2 according to their latest regulatory filings, with 25 funds opening new positions, 48 increasing their positions, 35 reducing their positions, and 10 closing their positions.

Holders
138
Holders Change
+14
Holders Change %
+11.29%
% of All Funds
3.72%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.08%
New
25
Increased
48
Reduced
35
Closed
10
Calls
$12.2M
Puts
$10.6M
Net Calls
+$1.57M
Net Calls Change
+$6.55M

Top Buyers

1
WIM
1
Woodford Investment Management
United Kingdom
$291M
2
VAM
2
Visium Asset Management
New York
$52.5M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$247M
4
Citadel Advisors
4
Citadel Advisors
Florida
$22M
5
CCI
5
Columbus Circle Investors
$14.8M

Top Sellers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$73.4M
2
Millennium Management
2
Millennium Management
New York
$28.4M
3
Jennison Associates
3
Jennison Associates
New York
$21.2M
4
State Street
4
State Street
Massachusetts
$56.1M
5
TI
5
Turner Investments
Pennsylvania
$9.16M
Name Holding Trade Value Shares
Change 		Shares
Change %
Group One Trading
51
Group One Trading
Illinois
$1.8M +$892K +16,932 +98%
GIM
52
Granahan Investment Management
Massachusetts
$1.79M – – –
New York State Common Retirement Fund
53
New York State Common Retirement Fund
New York
$1.7M +$1.7M +32,360 New
UBS Group
54
UBS Group
Switzerland
$1.61M +$1.08M +20,481 +203%
ProShare Advisors
55
ProShare Advisors
Maryland
$1.53M +$91.3K +1,733 +6%
RhumbLine Advisers
56
RhumbLine Advisers
Massachusetts
$1.46M -$204K -3,880 -12%
SG Americas Securities
57
SG Americas Securities
New York
$1.39M +$336K +6,387 +32%
Connor, Clark & Lunn Investment Management (CC&L)
58
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$1.34M -$664K -12,600 -33%
MIG
59
Mariner Investment Group
New York
$1.24M -$1.05M -20,000 -46%
California Public Employees Retirement System
60
California Public Employees Retirement System
California
$1.19M – – –
CI
61
Cowen Inc
New York
$1.19M +$1.19M +22,556 New
Neuberger Berman Group
62
Neuberger Berman Group
New York
$1.13M +$395K +7,498 +53%
ICAP
63
Independence Capital Asset Partners
Colorado
$1.08M +$1.08M +20,530 New
NFA
64
Nationwide Fund Advisors
Ohio
$1.07M +$38.4K +729 +4%
HI
65
HBK Investments
Texas
$1.01M +$1.01M +19,200 New
AIG
66
American International Group
New York
$966K +$82.9K +1,574 +9%
D.E. Shaw & Co
67
D.E. Shaw & Co
New York
$862K -$1.51M -28,731 -64%
Bank of America
68
Bank of America
North Carolina
$824K +$769K +14,601 +1,408%
State Board of Administration of Florida Retirement System
69
State Board of Administration of Florida Retirement System
Florida
$813K +$41.9K +796 +5%
VOYA Investment Management
70
VOYA Investment Management
Georgia
$800K +$104K +1,976 +15%
DekaBank Deutsche Girozentrale
71
DekaBank Deutsche Girozentrale
Germany
$785K +$111K +2,100 +16%
Susquehanna International Group
72
Susquehanna International Group
Pennsylvania
$779K +$386K +7,330 +98%
Goldman Sachs
73
Goldman Sachs
New York
$743K -$1.61M -30,569 -68%
CCA
74
Checchi Capital Advisers
California
$739K +$739K +14,028 New
BAMS
75
Bellevue Asset Management (Switzerland)
Switzerland
$685K +$685K +13,000 New
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