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Prothena Corp
PRTA

Overview Fund Activity

196 hedge funds and large institutions have $2.12B invested in Prothena Corp in 2021 Q4 according to their latest regulatory filings, with 41 funds opening new positions, 72 increasing their positions, 37 reducing their positions, and 36 closing their positions.

Holders
196
Holders Change
+4
Holders Change %
+2.08%
% of All Funds
3.03%
Holding in Top 10
4
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-20%
% of All Funds
0.06%
New
41
Increased
72
Reduced
37
Closed
36
Calls
$12.3M
Puts
$4.86M
Net Calls
+$7.4M
Net Calls Change
+$670K

Top Buyers

1
State Street
1
State Street
Massachusetts
$97.5M
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$10.6M
3
FLAM
3
First Light Asset Management
Minnesota
$80.2M
4
ECM
4
ExodusPoint Capital Management
New York
$8.05M
5
Marshall Wace
5
Marshall Wace
United Kingdom
$10.6M

Top Sellers

1
ACM
1
Atika Capital Management
New York
$0
2
Invesco
2
Invesco
Georgia
$7.8M
3
Adage Capital Partners
3
Adage Capital Partners
Massachusetts
$0
4
RG
4
Redmile Group
California
$37.8M
5
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$294M
Name Market Value Shares Shares
Change 		Shares
Change %
GAM
76
Gotham Asset Management
New York
$1.71M 34,658 +16,485 +91%
AC
77
Apogem Capital
New York
$1.64M 33,212 +8,363 +34%
New York State Common Retirement Fund
78
New York State Common Retirement Fund
New York
$1.52M 30,781 +4,421 +17%
HS
79
HighVista Strategies
Massachusetts
$1.39M 28,078 +28,078 New
Citadel Advisors
80
Citadel Advisors
Florida
$1.37M 27,693 -75,812 -73%
Edgewood Management
81
Edgewood Management
Connecticut
$1.24M 25,000 – –
Deutsche Bank
82
Deutsche Bank
Germany
$1.22M 24,624 -7,024 -22%
Russell Investments Group
83
Russell Investments Group
United Kingdom
$1.17M 23,711 +20,215 +578%
CS
84
Credit Suisse
Switzerland
$1.17M 23,572 -1,660 -7%
Robeco Institutional Asset Management
85
Robeco Institutional Asset Management
Netherlands
$1.08M 21,932 +4,972 +29%
Thrivent Financial for Lutherans
86
Thrivent Financial for Lutherans
Minnesota
$1.03M 20,870 +20,870 New
Qube Research & Technologies (QRT)
87
Qube Research & Technologies (QRT)
United Kingdom
$980K 19,833 +19,833 New
SFI
88
Susquehanna Fundamental Investments
Pennsylvania
$953K 19,290 -10,860 -36%
AIG
89
American International Group
New York
$949K 19,212 +82 +0.4%
Jennison Associates
90
Jennison Associates
New York
$920K 18,631 +4,360 +31%
Allianz Asset Management
91
Allianz Asset Management
Germany
$815K 16,595 +16,595 New
SO
92
STRS Ohio
Ohio
$810K 16,400 +2,700 +20%
State Board of Administration of Florida Retirement System
93
State Board of Administration of Florida Retirement System
Florida
$794K 16,066 -145 -0.9%
HSA
94
Hussman Strategic Advisors
Maryland
$771K 15,600 +15,600 New
Aviva
95
Aviva
United Kingdom
$770K 15,595 +15,595 New
Royal Bank of Canada
96
Royal Bank of Canada
Ontario, Canada
$756K 15,302 +2,280 +18%
IBT
97
International Biotechnology Trust
United Kingdom
$741K 15,000 +15,000 New
ProShare Advisors
98
ProShare Advisors
Maryland
$715K 14,456 +355 +3%
Legal & General Group
99
Legal & General Group
United Kingdom
$713K 14,448 +366 +3%
Ameriprise
100
Ameriprise
Minnesota
$712K 14,420 +5,297 +58%
2 3
4
5 6