PRTA icon

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 %
PA
151
Parallel Advisors
California
$71K -$42.8K -600 -38%
Lazard Asset Management
152
Lazard Asset Management
New York
$65K +$65K +918 New
QT
153
Quantbot Technologies
New York
$42K +$42K +600 New
RE
154
RBC Europe
United Kingdom
$37.7K – – –
S
155
SignatureFD
Georgia
$30K -$14.9K -208 -33%
PNC Financial Services Group
156
PNC Financial Services Group
Pennsylvania
$30K – – –
FDCDDQ
157
Federation des caisses Desjardins du Quebec
Quebec, Canada
$26.8K – – –
PHK
158
Point72 Hong Kong
Hong Kong
$23K -$203K -2,859 -90%
TFO
159
Tarbox Family Office
California
$21K – – –
ADL
160
Asset Dedication LLC
California
$13K – – –
KFS
161
Kelly Financial Services
Massachusetts
$13K -$654K -9,175 -98%
SN
162
Sittner & Nelson
Oregon
$11K – – –
Daiwa Securities Group
163
Daiwa Securities Group
Japan
$11K +$4.71K +66 +75%
AFG
164
Albion Financial Group
Utah
$9K – – –
MIM
165
Macroview Investment Management
Maryland
$9K +$9K +131 New
LJHT
166
Laurie J. Hall Trustee
$8K -$16K -220 -67%
TWA
167
TCI Wealth Advisors
Arizona
$8K +$1.57K +23 +24%
RIM
168
Rockbridge Investment Management
New York
$7K – – –
HIA
169
Harbor Investment Advisory
Maryland
$7K – – –
SWM
170
Spire Wealth Management
Virginia
$7K +$7K +103 New
Rockefeller Capital Management
171
Rockefeller Capital Management
New York
$6K – – –
HNB
172
Huntington National Bank
Ohio
$5K – – –
Bessemer Group
173
Bessemer Group
New Jersey
$4K – – –
Simplex Trading
174
Simplex Trading
Illinois
$3K -$24.2K -500 -89%
SPIA
175
Steward Partners Investment Advisory
New York
$2K – – –
4 5 6
7
8