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Prothena Corp
PRTA

Overview Fund Activity

201 hedge funds and large institutions have $2.9B invested in Prothena Corp in 2022 Q4 according to their latest regulatory filings, with 44 funds opening new positions, 77 increasing their positions, 51 reducing their positions, and 23 closing their positions.

Holders
201
Holders Change
+18
Holders Change %
+9.84%
% of All Funds
3.24%
Holding in Top 10
8
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-11.11%
% of All Funds
0.13%
New
44
Increased
77
Reduced
51
Closed
23
Calls
$25.7M
Puts
$9.23M
Net Calls
+$16.5M
Net Calls Change
-$11.2M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$106M
2
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$86.3M
3
APM
3
Avidity Partners Management
Texas
$178M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$238M
5
BlackRock
5
BlackRock
New York
$210M

Top Sellers

1
RG
1
Redmile Group
California
$0
2
Federated Hermes
2
Federated Hermes
Pennsylvania
$62.8K
3
Citadel Advisors
3
Citadel Advisors
Florida
$15K
4
SC
4
Sessa Capital
New York
$0
5
Renaissance Technologies
5
Renaissance Technologies
New York
$28.6M
Name Market Value Shares Shares
Change 		Shares
Change %
E
101
Ergoteles
New York
$935K 15,525 +11,722 +308%
NICM
102
Neo Ivy Capital Management
New York
$911K 15,120 +15,120 New
HS
103
HighVista Strategies
Massachusetts
$878K 14,572 +14,572 New
DekaBank Deutsche Girozentrale
104
DekaBank Deutsche Girozentrale
Germany
$825K 14,000 – –
OQS
105
Occudo Quantitative Strategies
Florida
$781K 12,965 -25,924 -67%
SO
106
STRS Ohio
Ohio
$753K 12,500 -7,100 -36%
Royal Bank of Canada
107
Royal Bank of Canada
Ontario, Canada
$753K 12,497 +4,796 +62%
State Board of Administration of Florida Retirement System
108
State Board of Administration of Florida Retirement System
Florida
$680K 11,286 -4,780 -30%
Susquehanna International Group
109
Susquehanna International Group
Pennsylvania
$646K 10,718 -87,988 -89%
Wells Fargo
110
Wells Fargo
California
$643K 10,665 -1,834 -15%
ACM
111
Aquatic Capital Management
Illinois
$596K 9,900 +9,900 New
Teacher Retirement System of Texas
112
Teacher Retirement System of Texas
Texas
$587K 9,738 -944 -9%
Victory Capital Management
113
Victory Capital Management
Texas
$567K 9,418 -5,157 -35%
ACP
114
Acuta Capital Partners
California
$560K 9,300 +9,300 New
ASRS
115
Arizona State Retirement System
Arizona
$558K 9,268 +364 +4%
ProShare Advisors
116
ProShare Advisors
Maryland
$525K 8,719 +861 +11%
CCIA
117
Campbell & Co Investment Adviser
Maryland
$514K 8,527 +104 +1%
US Bancorp
118
US Bancorp
Minnesota
$489K 8,118 +7,357 +967%
HWM
119
HighMark Wealth Management
Minnesota
$454K 7,527 +6,352 +541%
EFM
120
E Fund Management
China
$436K 7,243 -86 -1%
Qube Research & Technologies (QRT)
121
Qube Research & Technologies (QRT)
United Kingdom
$434K 7,200 +7,200 New
KWILP
122
Kiwi Wealth Investments Limited Partnership
New Zealand
$429K 7,121 -9,779 -58%
AR
123
Advisory Research
Illinois
$429K 7,120 +7,120 New
Allspring Global Investments
124
Allspring Global Investments
North Carolina
$421K 6,984 -5,773 -45%
Public Employees Retirement Association of Colorado
125
Public Employees Retirement Association of Colorado
Colorado
$395K 6,552 – –
3 4
5
6 7