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Prothena Corp
PRTA

Overview Fund Activity

191 hedge funds and large institutions have $2.51B invested in Prothena Corp in 2023 Q1 according to their latest regulatory filings, with 27 funds opening new positions, 70 increasing their positions, 56 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
191
Holders Change
-10
Holders Change %
-4.98%
% of All Funds
3.06%
Holding in Top 10
7
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-12.5%
% of All Funds
0.11%
New
27
Increased
70
Reduced
56
Closed
32
Calls
$7.72M
Puts
$3.57M
Net Calls
+$4.15M
Net Calls Change
-$12.3M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$328M
2
Wellington Management Group
Wellington Management Group
Massachusetts
$110M
3
Bank of America
Bank of America
North Carolina
$27.4M
4
Janus Henderson Group
Janus Henderson Group
United Kingdom
$77.4M
5
Two Sigma Investments
Two Sigma Investments
New York
$17.7M

Top Sellers

1
APM
Avidity Partners Management
Texas
$51.8M
2
SCM
Suvretta Capital Management
New York
$0
3
WP
Woodline Partners
California
$0
4
MRCP
Maple Rock Capital Partners
Ontario, Canada
$14.2M
5
PHS
PFM Health Sciences
California
$37.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
TRCT
151
Tower Research Capital (TRC)
New York
$88K +$12.5K +257 +17%
VEA
152
Virtus ETF Advisers
New York
$84.5K -$32.6K -673 -28%
Lazard Asset Management
153
Lazard Asset Management
New York
$59K +$59K +1,228 New
Federated Hermes
154
Federated Hermes
Pennsylvania
$48.8K -$1.75K -36 -3%
Nisa Investment Advisors
155
Nisa Investment Advisors
Missouri
$47K +$21.6K +445 +85%
Osaic Holdings
156
Osaic Holdings
Arizona
$39.7K -$25.7K -531 -39%
PMEF
157
Point72 Middle East FZE
United Arab Emirates
$36.6K -$1.75K -36 -5%
CUAMC
158
China Universal Asset Management Company
China
$34.5K +$10.7K +221 +45%
CG
159
Cutler Group
California
$24K – – –
PNC Financial Services Group
160
PNC Financial Services Group
Pennsylvania
$20.2K – – –
First Manhattan
161
First Manhattan
New York
$18.1K -$145 -3 -0.8%
BAM
162
Byrne Asset Management
New Jersey
$16K +$5.65K +113 +55%
S
163
SignatureFD
Georgia
$14.3K -$2.18K -45 -13%
TWA
164
TCI Wealth Advisors
Arizona
$11K -$1.75K -36 -14%
Daiwa Securities Group
165
Daiwa Securities Group
Japan
$9K – – –
ADL
166
Asset Dedication LLC
California
$9K – – –
KFS
167
Kelly Financial Services
Massachusetts
$8.82K – – –
SN
168
Sittner & Nelson
Oregon
$7.51K – – –
FWM
169
Focused Wealth Management
New York
$6.25K – – –
AFG
170
Albion Financial Group
Utah
$6.06K – – –
TC
171
Truvestments Capital
Florida
$5.24K +$5.24K +108 New
HIA
172
Harbor Investment Advisory
Maryland
$4.85K – – –
GC
173
Gould Capital
Washington
$4.85K – – –
BAM
174
Belpointe Asset Management
Nevada
$2.62K – – –
Carson Wealth (CWM LLC)
175
Carson Wealth (CWM LLC)
Nebraska
$2K -$3K -54 -60%
5 6
7
8 9