MKTX icon

MarketAxess Holdings

444 hedge funds and large institutions have $6.31B invested in MarketAxess Holdings in 2026 Q1 according to their latest regulatory filings, with 61 funds opening new positions, 179 increasing their positions, 149 reducing their positions, and 89 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

less capital invested

Capital invested by funds: $ → $

8% less funds holding

Funds holding: 483444 (-39)

31% less first-time investments, than exits

New positions opened: 61 | Existing positions closed: 89

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
444
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$36M
Puts
$10.5M
Net Calls
Net Calls Change

Top Sellers

1 -$95.1M
2 -$89.4M
3 -$85M
4
Holocene Advisors
Holocene Advisors
New York
-$30M
5
JP Morgan Chase
JP Morgan Chase
New York
-$19.7M
Name Holding Trade Value Shares
Change
Change in
Stake
THCM
101
Taylor Hoffman Capital Management
Virginia
$4.76M
ROC
102
Robertson Opportunity Capital
Texas
$4.76M
GCM
103
Geneva Capital Management
Wisconsin
$4.54M
Universal-Beteiligungs- und Servicegesellschaft
104
Universal-Beteiligungs- und Servicegesellschaft
Germany
$4.52M
IP
105
Interval Partners
New York
$4.37M
RAM
106
Readystate Asset Management
Illinois
$4.11M
Bank of Nova Scotia
107
Bank of Nova Scotia
Ontario, Canada
$4.06M
ECM
108
ExodusPoint Capital Management
New York
$3.96M
Creative Planning
109
Creative Planning
Kansas
$3.81M
Canada Pension Plan Investment Board
110
Canada Pension Plan Investment Board
Ontario, Canada
$3.76M
Citigroup
111
Citigroup
New York
$3.53M
HSBC Holdings
112
HSBC Holdings
United Kingdom
$3.47M
LOAME
113
Lombard Odier Asset Management (Europe)
United Kingdom
$3.45M
IMRF
114
Illinois Municipal Retirement Fund
Illinois
$3.35M
New York State Common Retirement Fund
115
New York State Common Retirement Fund
New York
$3.33M
HPCM
116
Hunter Perkins Capital Management
Illinois
$3.3M
AM
117
AGF Management
Ontario, Canada
$3.29M
CAPTRUST Financial Advisors
118
CAPTRUST Financial Advisors
North Carolina
$3.25M
AG
119
Algert Global
California
$3.21M
Russell Investments Group
120
Russell Investments Group
United Kingdom
$3.16M
Walleye Trading
121
Walleye Trading
New York
$3.15M
SOADOR
122
State of Alaska Department of Revenue
Alaska
$3.03M
GCC
123
Guardian Capital (Canada)
Ontario, Canada
$3.02M
WG
124
Winton Group
United Kingdom
$2.97M
Franklin Resources
125
Franklin Resources
California
$2.9M