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Prothena Corp
PRTA

Overview Fund Activity

146 hedge funds and large institutions have $1B invested in Prothena Corp in 2021 Q1 according to their latest regulatory filings, with 22 funds opening new positions, 39 increasing their positions, 49 reducing their positions, and 13 closing their positions.

Holders
146
Holders Change
+6
Holders Change %
+4.29%
% of All Funds
2.57%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
22
Increased
39
Reduced
49
Closed
13
Calls
$16.5M
Puts
$5.57M
Net Calls
+$10.9M
Net Calls Change
+$8.89M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$83.2M
2
RG
2
Redmile Group
California
$46.7M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$78.3M
4
EC
4
EcoR1 Capital
California
$277M
5
FLAM
5
First Light Asset Management
Minnesota
$73.7M

Top Sellers

1
O
1
OrbiMed
New York
$0
2
IC
2
Ikarian Capital
Texas
$11M
3
Millennium Management
3
Millennium Management
New York
$577K
4
PM
4
Prosight Management
Texas
$15.1M
5
GPP
5
Great Point Partners
Connecticut
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Legal & General Group
101
Legal & General Group
United Kingdom
$179K +$12K +479 +7%
Royal Bank of Canada
102
Royal Bank of Canada
Ontario, Canada
$172K +$109K +4,329 +171%
PAM
103
Panagora Asset Management
Massachusetts
$147K – – –
HWM
104
HighMark Wealth Management
Minnesota
$65K -$4.71K -186 -7%
AIP
105
Ameritas Investment Partners
Nebraska
$65K – – –
QT
106
Quantbot Technologies
New York
$61K +$8.74K +351 +17%
Bank of Montreal
107
Bank of Montreal
Ontario, Canada
$54K -$91.5K -3,897 -63%
Zurich Cantonal Bank
108
Zurich Cantonal Bank
Switzerland
$52K – – –
BDWM
109
Brewin Dolphin Wealth Management
Ireland
$50.5K – – –
FPS
110
Fieldpoint Private Securities
Connecticut
$50K – – –
TRCT
111
Tower Research Capital (TRC)
New York
$48K -$36.2K -1,453 -43%
US Bancorp
112
US Bancorp
Minnesota
$32K +$3.23K +130 +11%
SWM
113
Spire Wealth Management
Virginia
$29K +$29K +1,068 New
PA
114
Parallel Advisors
California
$25K – – –
Pacer Advisors
115
Pacer Advisors
Pennsylvania
$24K +$24K +952 New
PCM
116
Penserra Capital Management
California
$22K -$367 -15 -2%
S
117
SignatureFD
Georgia
$17K +$1.05K +41 +7%
CAPTRUST Financial Advisors
118
CAPTRUST Financial Advisors
North Carolina
$17K +$16.5K +665 +3,500%
RE
119
RBC Europe
United Kingdom
$13.3K +$12.6K +500 +1,724%
PHK
120
Point72 Hong Kong
Hong Kong
$11K +$11K +445 New
PNC Financial Services Group
121
PNC Financial Services Group
Pennsylvania
$10K – – –
FDCDDQ
122
Federation des caisses Desjardins du Quebec
Quebec, Canada
$9.45K – – –
LJHT
123
Laurie J. Hall Trustee
$8K – – –
WT
124
Whittier Trust
California
$6K – – –
ADL
125
Asset Dedication LLC
California
$5K – – –
2 3 4
5
6