MKTX icon

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 %
Canada Life
151
Canada Life
Manitoba, Canada
$3.6M +$1.14M +5,089 +46%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
152
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$3.55M +$2.07M +9,246 +139%
LCM
153
LRT Capital Management
Texas
$3.55M +$949K +4,249 +36%
LIP
154
Lighthouse Investment Partners
Florida
$3.54M +$3.11M +13,911 +720%
QCM
155
Quantinno Capital Management
New York
$3.45M +$1.44M +6,458 +72%
Thrivent Financial for Lutherans
156
Thrivent Financial for Lutherans
Minnesota
$3.38M -$893 -4 -0%
WG
157
Winton Group
United Kingdom
$3.24M +$3.24M +14,508 New
AM
158
AGF Management
Ontario, Canada
$3.2M +$40.4K +181 +1%
PFSRSONJ
159
Police & Firemen's Retirement System of New Jersey
New Jersey
$3.11M +$119K +532 +4%
Wealth Enhancement Advisory Services
160
Wealth Enhancement Advisory Services
Minnesota
$3.11M +$2.38M +10,986 +328%
GAM
161
Gotham Asset Management
New York
$2.95M +$2.61M +11,694 +769%
Zurich Cantonal Bank
162
Zurich Cantonal Bank
Switzerland
$2.94M +$654K +2,928 +29%
FAM
163
Fred Alger Management
New York
$2.93M +$2.93M +13,098 New
State of New Jersey Common Pension Fund D
164
State of New Jersey Common Pension Fund D
New Jersey
$2.86M -$117K -524 -4%
Rafferty Asset Management
165
Rafferty Asset Management
New York
$2.78M +$23.9K +107 +0.9%
TI
166
Tidal Investments
Wisconsin
$2.78M +$107K +480 +4%
Ohio Public Employees Retirement System (OPERS)
167
Ohio Public Employees Retirement System (OPERS)
Ohio
$2.78M -$189K -847 -6%
Russell Investments Group
168
Russell Investments Group
United Kingdom
$2.68M -$1.16M -5,189 -30%
JF
169
Jump Financial
Illinois
$2.48M +$557K +2,492 +29%
VOYA Investment Management
170
VOYA Investment Management
Georgia
$2.46M +$52.9K +237 +2%
Mariner
171
Mariner
Kansas
$2.45M +$1.47M +6,581 +149%
ASRS
172
Arizona State Retirement System
Arizona
$2.45M +$40.6K +182 +2%
QC
173
Quadrature Capital
United Kingdom
$2.45M +$2.45M +10,986 New
CCM
174
Coldstream Capital Management
Washington
$2.45M +$57K +255 +2%
YIH
175
Y-Intercept (HK)
Hong Kong
$2.42M +$983K +4,402 +68%
5 6
7
8 9