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Prothena Corp
PRTA

Overview Fund Activity

146 hedge funds and large institutions have $1B invested in Prothena Corp in 2021 Q1 according to their latest regulatory filings, with 22 funds opening new positions, 39 increasing their positions, 49 reducing their positions, and 13 closing their positions.

Holders
146
Holders Change
+6
Holders Change %
+4.29%
% of All Funds
2.57%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
22
Increased
39
Reduced
49
Closed
13
Calls
$16.5M
Puts
$5.57M
Net Calls
+$10.9M
Net Calls Change
+$8.89M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$83.2M
2
RG
2
Redmile Group
California
$46.7M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$78.3M
4
EC
4
EcoR1 Capital
California
$277M
5
FLAM
5
First Light Asset Management
Minnesota
$73.7M

Top Sellers

1
O
1
OrbiMed
New York
$0
2
IC
2
Ikarian Capital
Texas
$11M
3
Millennium Management
3
Millennium Management
New York
$577K
4
PM
4
Prosight Management
Texas
$15.1M
5
GPP
5
Great Point Partners
Connecticut
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Ensign Peak Advisors
76
Ensign Peak Advisors
Utah
$443K – – –
BNP Paribas Financial Markets
77
BNP Paribas Financial Markets
France
$442K +$289K +11,514 +189%
Manulife (Manufacturers Life Insurance)
78
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$433K -$47.4K -1,884 -10%
CSS
79
Cubist Systematic Strategies
Connecticut
$433K +$433K +17,221 New
CAM
80
Connacht Asset Management
New York
$385K +$385K +15,313 New
State Board of Administration of Florida Retirement System
81
State Board of Administration of Florida Retirement System
Florida
$373K -$200K -7,950 -35%
Belvedere Trading
82
Belvedere Trading
Illinois
$366K +$366K +14,584 New
Morgan Stanley
83
Morgan Stanley
New York
$359K -$2.68M -106,757 -88%
Squarepoint
84
Squarepoint
New York
$358K -$89.6K -3,563 -20%
VRS
85
Virginia Retirement Systems
Virginia
$354K -$10K -400 -3%
VOYA Investment Management
86
VOYA Investment Management
Georgia
$348K – – –
ProShare Advisors
87
ProShare Advisors
Maryland
$346K +$19.6K +781 +6%
Natixis Advisors
88
Natixis Advisors
Massachusetts
$325K +$325K +12,972 New
MIM
89
MetLife Investment Management
New Jersey
$317K -$144K -5,714 -31%
JPMorgan Chase & Co
90
JPMorgan Chase & Co
New York
$293K -$561K -22,332 -66%
Public Employees Retirement Association of Colorado
91
Public Employees Retirement Association of Colorado
Colorado
$276K – – –
DekaBank Deutsche Girozentrale
92
DekaBank Deutsche Girozentrale
Germany
$274K – – –
SG Americas Securities
93
SG Americas Securities
New York
$265K -$71.4K -2,839 -21%
OWP
94
Old Well Partners
North Carolina
$256K +$256K +10,191 New
MLICM
95
Metropolitan Life Insurance Company (MetLife)
New York
$240K -$9.42K -375 -4%
FWM
96
Focused Wealth Management
New York
$231K -$80.1K -3,182 -26%
Susquehanna International Group
97
Susquehanna International Group
Pennsylvania
$229K +$229K +9,107 New
Simplex Trading
98
Simplex Trading
Illinois
$219K -$3.86K -154 -2%
KWMG
99
King Wealth Management Group
Florida
$201K +$201K +8,000 New
Group One Trading
100
Group One Trading
Illinois
$190K -$123K -4,896 -39%
2 3
4
5 6