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Prothena Corp
PRTA

Overview Fund Activity

144 hedge funds and large institutions have $1.48B invested in Prothena Corp in 2016 Q1 according to their latest regulatory filings, with 20 funds opening new positions, 63 increasing their positions, 34 reducing their positions, and 35 closing their positions.

Holders
144
Holders Change
-17
Holders Change %
-10.56%
% of All Funds
3.84%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
20
Increased
63
Reduced
34
Closed
35
Calls
$10.5M
Puts
$12.3M
Net Calls
-$1.82M
Net Calls Change
+$400K

Top Buyers

1
WIM
1
Woodford Investment Management
United Kingdom
$383M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$132M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$212M
4
State Street
4
State Street
Massachusetts
$50.4M
5
SAM
5
Sectoral Asset Management
Quebec, Canada
$16.4M

Top Sellers

1
Citadel Advisors
1
Citadel Advisors
Florida
$0
2
Deutsche Bank
2
Deutsche Bank
Germany
$2.62M
3
Lord, Abbett & Co
3
Lord, Abbett & Co
New Jersey
$0
4
BNP Paribas Asset Management
4
BNP Paribas Asset Management
France
$0
5
Renaissance Technologies
5
Renaissance Technologies
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
OM
76
Opaleye Management
Massachusetts
$576K 14,000 +14,000 New
CA
77
Commerzbank Aktiengesellschaft
Germany
$468K 11,372 +11,372 New
Public Employees Retirement Association of Colorado
78
Public Employees Retirement Association of Colorado
Colorado
$390K 9,473 -1,758 -16%
SG Americas Securities
79
SG Americas Securities
New York
$334K 8,123 +2,843 +54%
UOC
80
UBS O'Connor
Illinois
$320K 7,763 +7,763 New
SGAM
81
Smith Group Asset Management
Texas
$303K 7,350 -80 -1%
TI
82
Trexquant Investment
Connecticut
$300K 7,295 +7,295 New
CPIG
83
Chicago Partners Investment Group
Illinois
$251K 6,096 -379 -6%
GCP
84
GSA Capital Partners
United Kingdom
$247K 6,000 -8,120 -58%
OAC
85
OMERS Administration Corp
Ontario, Canada
$247K 6,000 +1,000 +20%
Principal Financial Group
86
Principal Financial Group
Iowa
$245K 5,944 +543 +10%
EMG
87
Ellington Management Group
Connecticut
$239K 5,800 +5,800 New
WC
88
Whitnell & Co
Illinois
$226K 5,487 – –
MC
89
Moors & Cabot
Massachusetts
$224K 5,510 +78 +1%
CG
90
Cutler Group
California
$198K 4,816 -13,996 -74%
RFC
91
Russell Frank Company
Washington
$197K 4,782 -13,686 -74%
FWM
92
Focused Wealth Management
New York
$185K 4,500 +3,500 +350%
VEA
93
Virtus ETF Advisers
New York
$150K 3,650 +3,650 New
Teacher Retirement System of Texas
94
Teacher Retirement System of Texas
Texas
$145K 3,528 +606 +21%
Group One Trading
95
Group One Trading
Illinois
$139K 3,373 -24,350 -88%
Barclays
96
Barclays
United Kingdom
$135K 3,293 +1,365 +71%
BNP Paribas Financial Markets
97
BNP Paribas Financial Markets
France
$111K 2,695 -9,125 -77%
BlackRock
98
BlackRock
New York
$110K 2,656 +1,764 +198%
Bank of America
99
Bank of America
North Carolina
$89K 2,169 -6,191 -74%
CCMH
100
Cornerstone Capital Management Holdings
New York
$77K 1,861 -1,300 -41%
2 3
4
5 6