MKTX icon

MarketAxess Holdings
MKTX

Overview Fund Activity

503 hedge funds and large institutions have $7.94B invested in MarketAxess Holdings in 2025 Q1 according to their latest regulatory filings, with 81 funds opening new positions, 200 increasing their positions, 173 reducing their positions, and 81 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
503
Holders Change
-9
Holders Change %
-1.76%
% of All Funds
6.83%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
81
Increased
200
Reduced
173
Closed
81
Calls
$40.6M
Puts
$19.1M
Net Calls
+$21.5M
Net Calls Change
+$24.8M

Top Buyers

1
Millennium Management
Millennium Management
New York
+$103M
2
Citadel Advisors
Citadel Advisors
Florida
+$80.9M
3
Holocene Advisors
Holocene Advisors
New York
+$54.2M
4
American Century Companies
American Century Companies
Missouri
+$43.7M
5
BAM
Burgundy Asset Management
Ontario, Canada
+$34.2M

Top Sellers

1
BlackRock
BlackRock
New York
-$121M
2
Artisan Partners
Artisan Partners
Wisconsin
-$55.7M
3
GAM
GuardCap Asset Management
United Kingdom
-$52M
4
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
-$40.1M
5
State Street
State Street
Massachusetts
-$35.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
ECM
151
Element Capital Management
New York
$2.75M +$2.75M +12,697 New
Rafferty Asset Management
152
Rafferty Asset Management
New York
$2.67M -$205K -949 -7%
TI
153
Tidal Investments
Wisconsin
$2.59M +$363K +1,679 +16%
IC
154
IEQ Capital
California
$2.52M +$366K +1,690 +17%
LCM
155
LRT Capital Management
Texas
$2.52M +$2.12M +9,790 +527%
ProShare Advisors
156
ProShare Advisors
Maryland
$2.49M +$306K +1,414 +14%
AG
157
AIA Group
Hong Kong
$2.49M -$1.69M -7,800 -40%
Canada Life
158
Canada Life
Manitoba, Canada
$2.39M -$2.2M -10,164 -48%
ASRS
159
Arizona State Retirement System
Arizona
$2.34M -$34.2K -158 -1%
PE
160
Point72 Europe
United Kingdom
$2.34M +$2.34M +10,800 New
VOYA Investment Management
161
VOYA Investment Management
Georgia
$2.33M -$7.36K -34 -0.3%
CCM
162
Coldstream Capital Management
Washington
$2.32M +$140K +645 +6%
HZ
163
Hixon Zuercher
Ohio
$2.31M +$376K +1,739 +19%
Handelsbanken Fonder
164
Handelsbanken Fonder
Sweden
$2.3M – – –
Zurich Cantonal Bank
165
Zurich Cantonal Bank
Switzerland
$2.21M -$872K -4,032 -28%
FCM
166
Fieldview Capital Management
Michigan
$2.21M +$2M +9,245 +973%
SOMRS
167
State of Michigan Retirement System
Michigan
$2.21M -$136K -628 -6%
Public Sector Pension Investment Board (PSP Investments)
168
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$2.18M +$71K +328 +3%
MIM
169
MetLife Investment Management
New Jersey
$2.12M -$40.5K -187 -2%
XT
170
XTX Topco
Cayman Islands
$2.06M +$1.79M +8,254 +646%
Credit Agricole
171
Credit Agricole
France
$2.03M -$1M -4,641 -33%
Caisse de Depot et Placement du Quebec (CDPQ)
172
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$2.03M -$33.8K -156 -2%
DFCM
173
Dark Forest Capital Management
Puerto Rico
$1.98M +$1.98M +9,155 New
QCM
174
Quantinno Capital Management
New York
$1.94M +$500K +2,309 +35%
Pictet Asset Management
175
Pictet Asset Management
Switzerland
$1.94M -$3.25M -15,038 -63%
5 6
7
8 9