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MarketAxess Holdings
MKTX

Overview Fund Activity

522 hedge funds and large institutions have $8.24B invested in MarketAxess Holdings in 2025 Q2 according to their latest regulatory filings, with 85 funds opening new positions, 227 increasing their positions, 157 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
522
Holders Change
+19
Holders Change %
+3.78%
% of All Funds
7%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.04%
New
85
Increased
227
Reduced
157
Closed
57
Calls
$65.9M
Puts
$8.94M
Net Calls
+$56.9M
Net Calls Change
+$35.4M

Top Buyers

1
AQR Capital Management
AQR Capital Management
Connecticut
+$139M
2
American Century Companies
American Century Companies
Missouri
+$59.2M
3
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$36M
4
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$35M
5
Fidelity Investments
Fidelity Investments
Massachusetts
+$31.8M

Top Sellers

1
WA
Wasatch Advisors
Utah
-$146M
2
Macquarie Group
Macquarie Group
Australia
-$137M
3
Marshall Wace
Marshall Wace
United Kingdom
-$77.5M
4
Millennium Management
Millennium Management
New York
-$41.7M
5
VanEck Associates
VanEck Associates
New York
-$39.4M
Name Holding Trade Value Shares
Change 		Shares
Change %
SOMRS
176
State of Michigan Retirement System
Michigan
$2.28M – – –
Universal-Beteiligungs- und Servicegesellschaft
177
Universal-Beteiligungs- und Servicegesellschaft
Germany
$2.25M +$362K +1,619 +19%
MIM
178
MetLife Investment Management
New Jersey
$2.13M -$53.6K -240 -2%
Handelsbanken Fonder
179
Handelsbanken Fonder
Sweden
$2.09M -$290K -1,300 -12%
ECA
180
Elevate Capital Advisors
Colorado
$2.07M +$1.06M +4,763 +106%
COPPSERS
181
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$2.05M +$129K +576 +7%
CNB
182
Czech National Bank
Czech Republic
$2.05M +$113K +504 +6%
NYLIM
183
New York Life Investment Management
New York
$1.99M -$6.92K -31 -0.3%
OAM
184
Oppenheimer Asset Management
New York
$1.97M -$2.32M -10,397 -54%
Truist Financial
185
Truist Financial
North Carolina
$1.93M +$49.6K +222 +3%
State of Tennessee, Department of Treasury
186
State of Tennessee, Department of Treasury
Tennessee
$1.93M -$43.3K -194 -2%
LAM
187
LECAP Asset Management
United Kingdom
$1.89M +$662K +2,964 +54%
First Trust Advisors
188
First Trust Advisors
Illinois
$1.88M -$5.25M -23,529 -74%
ProShare Advisors
189
ProShare Advisors
Maryland
$1.85M -$720K -3,226 -28%
AG
190
AIA Group
Hong Kong
$1.85M -$723K -3,235 -28%
Retirement Systems of Alabama
191
Retirement Systems of Alabama
Alabama
$1.8M -$12.5K -56 -0.7%
GCM
192
Graham Capital Management
Connecticut
$1.8M +$1.24M +5,545 +222%
SFS
193
Stiles Financial Services
Minnesota
$1.79M +$75.3K +337 +4%
CIBC World Market
194
CIBC World Market
Ontario, Canada
$1.79M -$207K -928 -10%
Pictet Asset Management
195
Pictet Asset Management
Switzerland
$1.76M -$239K -1,071 -12%
KK
196
KLP Kapitalforvaltning
Norway
$1.74M +$112K +500 +7%
ACM
197
Ashford Capital Management
Delaware
$1.74M -$13.2K -59 -0.8%
UM
198
UniSuper Management
Australia
$1.73M – – –
Public Sector Pension Investment Board (PSP Investments)
199
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$1.72M -$532K -2,380 -24%
AB
200
Amalgamated Bank
New York
$1.69M +$63.7K +285 +4%
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