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MarketAxess Holdings

447 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, 180 increasing their positions, 151 reducing their positions, and 88 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: 484447 (-37)

31% less first-time investments, than exits

New positions opened: 61 | Existing positions closed: 88

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
447
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
FAM
151
Fred Alger Management
New York
$1.91M
AB
152
Amalgamated Bank
New York
$1.86M
PCA
153
Pallas Capital Advisors
Massachusetts
$1.84M
AOWM
154
Alpha Omega Wealth Management
Virginia
$1.8M
Natixis Advisors
155
Natixis Advisors
Massachusetts
$1.79M
WLPWM
156
Walled Lake Planning & Wealth Management
Illinois
$1.74M
ASRS
157
Arizona State Retirement System
Arizona
$1.68M
Fifth Third Bancorp
158
Fifth Third Bancorp
Ohio
$1.67M
YCM
159
Yousif Capital Management
Michigan
$1.67M
XT
160
XTX Topco
Cayman Islands
$1.62M
Los Angeles Capital Management
161
Los Angeles Capital Management
California
$1.58M
VIA
162
Vanguard Investments Australia
Australia
$1.55M
Handelsbanken Fonder
163
Handelsbanken Fonder
Sweden
$1.54M
COPPSERS
164
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$1.52M
OPERF
165
Oregon Public Employees Retirement Fund
Oregon
$1.4M
STA
166
Summit Trail Advisors
New York
$1.39M
KF
167
Krilogy Financial
Missouri
$1.37M
KK
168
KLP Kapitalforvaltning
Norway
$1.35M
JFG
169
Jefferies Financial Group
New York
$1.35M
Manulife (Manufacturers Life Insurance)
170
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.33M
DFCM
171
Dark Forest Capital Management
Puerto Rico
$1.33M
IWC
172
Integrated Wealth Concepts
Massachusetts
$1.29M
Baird Financial Group
173
Baird Financial Group
Wisconsin
$1.28M
IA
174
IFP Advisors
Florida
$1.28M
WAM
175
Weiss Asset Management
Massachusetts
$1.24M