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Prothena Corp
PRTA

Overview Fund Activity

192 hedge funds and large institutions have $2.91B invested in Prothena Corp in 2021 Q3 according to their latest regulatory filings, with 50 funds opening new positions, 57 increasing their positions, 49 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
192
Holders Change
+36
Holders Change %
+23.08%
% of All Funds
3.37%
Holding in Top 10
5
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.09%
New
50
Increased
57
Reduced
49
Closed
13
Calls
$18.1M
Puts
$11.4M
Net Calls
+$6.73M
Net Calls Change
-$1.25M

Top Buyers

1
BC
Boxer Capital
California
$21.4M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$432M
3
Vanguard Group
Vanguard Group
Pennsylvania
$61.9M
4
State Street
State Street
Massachusetts
$100M
5
SG Americas Securities
SG Americas Securities
New York
$8.27M

Top Sellers

1
FLAM
First Light Asset Management
Minnesota
$103M
2
RG
Redmile Group
California
$64.2M
3
RSCM
Rock Springs Capital Management
Maryland
$50.6M
4
APM
Avidity Partners Management
Texas
$0
5
Fidelity Investments
Fidelity Investments
Massachusetts
$189M
Name Holding Trade Value Shares
Change 		Shares
Change %
HPCM
126
Hunter Perkins Capital Management
Illinois
$293K -$120K -1,686 -29%
BJL
127
Brighton Jones LLC
Washington
$285K – – –
XWM
128
Xcel Wealth Management
Florida
$285K +$285K +4,000 New
Victory Capital Management
129
Victory Capital Management
Texas
$279K +$279K +3,913 New
LNWWM
130
Laird Norton Wetherby Wealth Management
California
$278K -$52.7K -741 -16%
SSA
131
Schonfeld Strategic Advisors
New York
$269K +$269K +3,765 New
GCP
132
GSA Capital Partners
United Kingdom
$257K +$257K +3,611 New
Russell Investments Group
133
Russell Investments Group
United Kingdom
$249K +$249K +3,496 New
MFW
134
Meristem Family Wealth
Minnesota
$234K +$234K +3,290 New
STA
135
Summit Trail Advisors
New York
$214K +$214K +3,000 New
AIP
136
Ameritas Investment Partners
Nebraska
$192K +$8.88K +125 +5%
FWM
137
Focused Wealth Management
New York
$170K -$161K -2,262 -49%
OSAM
138
O'Shaughnessy Asset Management
Connecticut
$146K +$146K +2,048 New
BDWM
139
Brewin Dolphin Wealth Management
Ireland
$143K – – –
CAPTRUST Financial Advisors
140
CAPTRUST Financial Advisors
North Carolina
$143K +$96.1K +1,346 +205%
FPS
141
Fieldpoint Private Securities
Connecticut
$142K – – –
Group One Trading
142
Group One Trading
Illinois
$138K +$138K +1,937 New
MAM
143
Meeder Asset Management
Ohio
$129K +$15.6K +219 +14%
HWM
144
HighMark Wealth Management
Minnesota
$128K -$22K -308 -15%
Macquarie Group
145
Macquarie Group
Australia
$110K +$110K +1,548 New
Osaic Holdings
146
Osaic Holdings
Arizona
$101K +$92.8K +1,321 +1,129%
Acadian Asset Management
147
Acadian Asset Management
Massachusetts
$101K +$101K +1,430 New
Walleye Trading
148
Walleye Trading
New York
$95K +$95K +1,329 New
US Bancorp
149
US Bancorp
Minnesota
$92K – – –
PCM
150
Penserra Capital Management
California
$73K +$1.77K +25 +2%
4 5
6
7 8