PRTA icon

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 %
ACM
126
Aquatic Capital Management
Illinois
$339K -$140K -2,900 -29%
Walleye Trading
127
Walleye Trading
New York
$339K +$339K +6,988 New
Public Employees Retirement Association of Colorado
128
Public Employees Retirement Association of Colorado
Colorado
$318K – – –
AIM
129
Aigen Investment Management
New York
$315K +$315K +6,503 New
HF
130
HRT Financial
New York
$314K +$314K +6,485 New
RJA
131
Raymond James & Associates
Florida
$301K +$58.7K +1,212 +24%
SCA
132
Snowden Capital Advisors
New York
$294K -$1.21K -25 -0.4%
SEI Investments
133
SEI Investments
Pennsylvania
$291K +$291K +6,011 New
BCM
134
Bayesian Capital Management
New York
$287K +$287K +5,917 New
Zurich Cantonal Bank
135
Zurich Cantonal Bank
Switzerland
$281K +$20.3K +419 +8%
NC
136
NinePointTwo Capital
California
$278K +$278K +5,738 New
D.E. Shaw & Co
137
D.E. Shaw & Co
New York
$277K -$1.03M -21,151 -79%
AB
138
Amalgamated Bank
New York
$262K -$34.5K -712 -12%
GT
139
Glenmede Trust
Pennsylvania
$246K -$15.7K -323 -6%
Allspring Global Investments
140
Allspring Global Investments
North Carolina
$244K -$94.9K -1,958 -28%
BJL
141
Brighton Jones LLC
Washington
$243K +$291 +6 +0.1%
Allianz Asset Management
142
Allianz Asset Management
Germany
$242K +$242K +5,000 New
OQS
143
Occudo Quantitative Strategies
Florida
$232K -$396K -8,169 -63%
CAPTRUST Financial Advisors
144
CAPTRUST Financial Advisors
North Carolina
$221K +$27.8K +574 +14%
CC
145
Corton Capital
Ontario, Canada
$213K +$213K +4,402 New
AIP
146
Ameritas Investment Partners
Nebraska
$152K +$10.1K +208 +7%
Amundi
147
Amundi
France
$134K – – –
AG
148
Artal Group
Luxembourg
$133K +$133K +2,746 New
KI
149
Kapitalo Investimentos
Brazil
$127K +$64.1K +1,323 +102%
VFA
150
Values First Advisors
Tennessee
$110K +$110K +2,274 New
4 5
6
7 8