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Prothena Corp
PRTA

Overview Fund Activity

187 hedge funds and large institutions have $1.97B invested in Prothena Corp in 2023 Q4 according to their latest regulatory filings, with 41 funds opening new positions, 68 increasing their positions, 46 reducing their positions, and 38 closing their positions.

Holders
187
Holders Change
+1
Holders Change %
+0.54%
% of All Funds
2.74%
Holding in Top 10
3
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-40%
% of All Funds
0.04%
New
41
Increased
68
Reduced
46
Closed
38
Calls
$81.9M
Puts
$62.6M
Net Calls
+$19.3M
Net Calls Change
+$27.7M

Top Buyers

1
Morgan Stanley
1
Morgan Stanley
New York
$35.1M
2
State Street
2
State Street
Massachusetts
$100M
3
AG
3
Artal Group
Luxembourg
$18.2M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$94.3M
5
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$154M

Top Sellers

1
T. Rowe Price Investment Management
1
T. Rowe Price Investment Management
Maryland
$0
2
PHS
2
PFM Health Sciences
California
$6.9M
3
APM
3
Avidity Partners Management
Texas
$0
4
FLAM
4
First Light Asset Management
Minnesota
$39.6M
5
Point72 Asset Management
5
Point72 Asset Management
Connecticut
$0
Name Market Value Shares Shares
Change 		Shares
Change %
SPS
101
Susquehanna Portfolio Strategies
Pennsylvania
$733K 20,158 +20,158 New
Hudson Bay Capital Management
102
Hudson Bay Capital Management
Connecticut
$727K 20,000 -12,500 -38%
HighTower Advisors
103
HighTower Advisors
Illinois
$680K 18,735 +18,735 New
Schroder Investment Management Group
104
Schroder Investment Management Group
United Kingdom
$562K 15,453 +11,221 +265%
DekaBank Deutsche Girozentrale
105
DekaBank Deutsche Girozentrale
Germany
$535K 14,000 – –
AQR Capital Management
106
AQR Capital Management
Connecticut
$501K 13,781 -4,728 -26%
Ameriprise
107
Ameriprise
Minnesota
$500K 13,760 +2,697 +24%
Rockefeller Capital Management
108
Rockefeller Capital Management
New York
$458K 12,614 -6,685 -35%
State Board of Administration of Florida Retirement System
109
State Board of Administration of Florida Retirement System
Florida
$433K 11,916 – –
ASRS
110
Arizona State Retirement System
Arizona
$408K 11,225 -40 -0.4%
TRSOTSOK
111
Teachers Retirement System of the State of Kentucky
Kentucky
$405K 11,144 – –
EFM
112
E Fund Management
China
$403K 11,096 +3,037 +38%
SO
113
STRS Ohio
Ohio
$388K 10,700 +3,800 +55%
ProShare Advisors
114
ProShare Advisors
Maryland
$378K 10,414 +1,526 +17%
CSS
115
Cubist Systematic Strategies
Connecticut
$359K 9,879 +9,879 New
Royal Bank of Canada
116
Royal Bank of Canada
Ontario, Canada
$358K 9,883 +1,420 +17%
Zurich Cantonal Bank
117
Zurich Cantonal Bank
Switzerland
$348K 9,563 +2,099 +28%
Teacher Retirement System of Texas
118
Teacher Retirement System of Texas
Texas
$337K 9,266 -1,965 -17%
BCI
119
Brinker Capital Investments
Pennsylvania
$330K 9,360 +9,360 New
OPS
120
Orion Portfolio Solutions
Nebraska
$330K 9,360 +9,360 New
ET
121
Entropy Technologies
New York
$328K 9,031 +9,031 New
PCM
122
Prelude Capital Management
New York
$313K 8,600 +8,600 New
HP
123
HealthInvest Partners
Sweden
$303K 8,342 +8,342 New
RJA
124
Raymond James & Associates
Florida
$297K 8,167 – –
HWM
125
HighMark Wealth Management
Minnesota
$267K 7,352 – –
3 4
5
6 7