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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 %
APG Asset Management
126
APG Asset Management
Netherlands
$4.13M +$60.1K +300 +1%
GCM
127
Geneva Capital Management
Wisconsin
$4.04M +$690K +3,191 +21%
Natixis Advisors
128
Natixis Advisors
Massachusetts
$3.93M +$3.93M +18,179 New
DADC
129
D.A. Davidson & Co
Montana
$3.89M +$272K +1,256 +8%
Ensign Peak Advisors
130
Ensign Peak Advisors
Utah
$3.88M +$637K +2,945 +20%
Susquehanna International Group
131
Susquehanna International Group
Pennsylvania
$3.82M -$2.14M -9,903 -36%
Victory Capital Management
132
Victory Capital Management
Texas
$3.76M +$2.55M +11,801 +211%
Russell Investments Group
133
Russell Investments Group
United Kingdom
$3.72M -$1.66M -7,668 -31%
Nordea Investment Management
134
Nordea Investment Management
Sweden
$3.7M -$8.93M -40,926 -71%
Bank of Nova Scotia
135
Bank of Nova Scotia
Ontario, Canada
$3.69M +$2.29M +10,599 +164%
ACM
136
Alamar Capital Management
California
$3.68M -$91.7K -424 -2%
Capital Fund Management (CFM)
137
Capital Fund Management (CFM)
France
$3.68M +$3.68M +16,995 New
Treasurer of the State of North Carolina
138
Treasurer of the State of North Carolina
North Carolina
$3.66M +$143K +660 +4%
AIMCA
139
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$3.53M – – –
Thrivent Financial for Lutherans
140
Thrivent Financial for Lutherans
Minnesota
$3.28M – – –
EP
141
Edgestream Partners
New Jersey
$3.17M +$3.17M +14,655 New
CCM
142
Cinctive Capital Management
New York
$3.14M +$1.03M +4,770 +49%
PFA
143
Peak Financial Advisors
Colorado
$3.07M +$3.07M +14,212 New
N
144
Natixis
France
$3.06M -$3.24M -14,935 -51%
AM
145
AGF Management
Ontario, Canada
$3.06M +$938K +4,337 +44%
Verition Fund Management
146
Verition Fund Management
Connecticut
$2.96M +$242K +1,120 +9%
PFSRSONJ
147
Police & Firemen's Retirement System of New Jersey
New Jersey
$2.9M +$27.5K +127 +1%
State of New Jersey Common Pension Fund D
148
State of New Jersey Common Pension Fund D
New Jersey
$2.88M -$105K -485 -4%
Ameriprise
149
Ameriprise
Minnesota
$2.88M -$32.1M -148,201 -92%
Ohio Public Employees Retirement System (OPERS)
150
Ohio Public Employees Retirement System (OPERS)
Ohio
$2.87M -$357K -1,650 -11%
4 5
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