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Prothena Corp
PRTA

Overview Fund Activity

156 hedge funds and large institutions have $2.08B invested in Prothena Corp in 2021 Q2 according to their latest regulatory filings, with 34 funds opening new positions, 50 increasing their positions, 39 reducing their positions, and 24 closing their positions.

Holders
156
Holders Change
+10
Holders Change %
+6.85%
% of All Funds
2.72%
Holding in Top 10
5
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+66.67%
% of All Funds
0.09%
New
34
Increased
50
Reduced
39
Closed
24
Calls
$16.2M
Puts
$8.25M
Net Calls
+$7.98M
Net Calls Change
-$2.95M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$299M
2
EC
2
EcoR1 Capital
California
$580M
3
ACM
3
Atika Capital Management
New York
$12M
4
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$10.3M
5
APM
5
Avidity Partners Management
Texas
$9.36M

Top Sellers

1
FLAM
1
First Light Asset Management
Minnesota
$99.1M
2
RG
2
Redmile Group
California
$62.5M
3
Goldman Sachs
3
Goldman Sachs
New York
$3.77M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$143M
5
IC
5
Ikarian Capital
Texas
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Wells Fargo
76
Wells Fargo
California
$777K -$404K -7,863 -34%
VOYA Investment Management
77
VOYA Investment Management
Georgia
$693K -$18.1K -352 -3%
VRS
78
Virginia Retirement Systems
Virginia
$689K -$36K -700 -5%
MIM
79
MetLife Investment Management
New Jersey
$648K – – –
Susquehanna International Group
80
Susquehanna International Group
Pennsylvania
$637K +$169K +3,288 +36%
DekaBank Deutsche Girozentrale
81
DekaBank Deutsche Girozentrale
Germany
$586K – – –
VF
82
Virtu Financial
New York
$574K +$574K +11,174 New
Public Employees Retirement Association of Colorado
83
Public Employees Retirement Association of Colorado
Colorado
$565K – – –
EGM
84
Engineers Gate Manager
New York
$556K +$556K +10,810 New
SG Americas Securities
85
SG Americas Securities
New York
$515K -$26.7K -520 -5%
Barclays
86
Barclays
United Kingdom
$429K -$1.08M -21,137 -72%
KWMG
87
King Wealth Management Group
Florida
$411K – – –
Legal & General Group
88
Legal & General Group
United Kingdom
$410K +$44.1K +859 +12%
OWP
89
Old Well Partners
North Carolina
$407K -$116K -2,267 -22%
ASRS
90
Arizona State Retirement System
Arizona
$390K +$390K +7,592 New
TI
91
Trexquant Investment
Connecticut
$377K +$377K +7,326 New
AB
92
Amalgamated Bank
New York
$312K +$312K +6,060 New
HPCM
93
Hunter Perkins Capital Management
Illinois
$298K +$298K +5,800 New
GAM
94
Gotham Asset Management
New York
$274K +$274K +5,337 New
SOW
95
State of Wyoming
Wyoming
$270K +$270K +5,248 New
MS
96
Maven Securities
Jersey
$257K +$257K +5,000 New
AQR Capital Management
97
AQR Capital Management
Connecticut
$253K +$253K +4,917 New
VEA
98
Virtus ETF Advisers
New York
$241K -$971K -18,904 -80%
FWM
99
Focused Wealth Management
New York
$239K -$232K -4,525 -49%
LNWWM
100
Laird Norton Wetherby Wealth Management
California
$239K +$239K +4,647 New
2 3
4
5 6