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Prothena Corp
PRTA

Overview Fund Activity

144 hedge funds and large institutions have $1.26B invested in Prothena Corp in 2016 Q2 according to their latest regulatory filings, with 15 funds opening new positions, 51 increasing their positions, 42 reducing their positions, and 14 closing their positions.

Holders
144
Holders Change
–
Holders Change %
0%
% of All Funds
3.85%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.03%
New
15
Increased
51
Reduced
42
Closed
14
Calls
$5.25M
Puts
$7.08M
Net Calls
-$1.83M
Net Calls Change
-$9K

Top Buyers

1
WIM
1
Woodford Investment Management
United Kingdom
$360M
2
RG
2
Redmile Group
California
$17M
3
Westfield Capital Management
3
Westfield Capital Management
Massachusetts
$8.32M
4
AAMU
4
Amundi Asset Management US
Massachusetts
$4.19M
5
PAI
5
Palo Alto Investors
California
$27.6M

Top Sellers

1
VAM
1
Visium Asset Management
New York
$0
2
State Street
2
State Street
Massachusetts
$32.6M
3
Millennium Management
3
Millennium Management
New York
$367K
4
SAM
4
Sectoral Asset Management
Quebec, Canada
$6.11M
5
CCI
5
Columbus Circle Investors
$0
Name Market Value Shares Shares
Change 		Shares
Change %
DCM
76
Dupont Capital Management
Delaware
$506K 14,475 – –
HCM
77
Highbridge Capital Management
New York
$476K 13,619 +13,619 New
CCA
78
Checchi Capital Advisers
California
$454K 12,995 -1,033 -7%
Millennium Management
79
Millennium Management
New York
$367K 10,498 -238,024 -96%
QIM
80
Quantitative Investment Management
Virginia
$353K 10,100 +10,100 New
Group One Trading
81
Group One Trading
Illinois
$314K 8,992 +5,619 +167%
Public Employees Retirement Association of Colorado
82
Public Employees Retirement Association of Colorado
Colorado
$302K 8,648 -825 -9%
GCP
83
GSA Capital Partners
United Kingdom
$287K 8,200 +2,200 +37%
PPA
84
Parametric Portfolio Associates
Washington
$259K 7,406 -27,355 -79%
SGAM
85
Smith Group Asset Management
Texas
$250K 7,150 -200 -3%
Bank of America
86
Bank of America
North Carolina
$223K 6,383 +4,214 +194%
Principal Financial Group
87
Principal Financial Group
Iowa
$214K 6,112 +168 +3%
AB
88
Amalgamated Bank
New York
$208K 3,670 +3,670 New
CPIG
89
Chicago Partners Investment Group
Illinois
$197K 5,634 -462 -8%
EA
90
Emerald Acquisition
Washington
$195K 5,568 +5,568 New
FWM
91
Focused Wealth Management
New York
$194K 5,550 +1,050 +23%
Citigroup
92
Citigroup
New York
$193K 5,509 -21,988 -80%
VEA
93
Virtus ETF Advisers
New York
$193K 5,509 +1,859 +51%
WC
94
Whitnell & Co
Illinois
$192K 5,487 – –
BNP Paribas Financial Markets
95
BNP Paribas Financial Markets
France
$141K 4,039 +1,344 +50%
Teacher Retirement System of Texas
96
Teacher Retirement System of Texas
Texas
$141K 4,021 +493 +14%
SG Americas Securities
97
SG Americas Securities
New York
$111K 3,164 -4,959 -61%
SG
98
Societe Generale
$111K 3,164 +3,164 New
BlackRock
99
BlackRock
New York
$99K 2,823 +167 +6%
CCMH
100
Cornerstone Capital Management Holdings
New York
$93K 2,661 +800 +43%
2 3
4
5 6