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MarketAxess Holdings

436 hedge funds and large institutions have $6.21B invested in MarketAxess Holdings in 2025 Q3 according to their latest regulatory filings, with 62 funds opening new positions, 157 increasing their positions, 179 reducing their positions, and 133 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

less ownership

Funds ownership:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

25% less capital invested

Capital invested by funds: $8.24B → $6.21B (-$2.03B)

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

53% less first-time investments, than exits

New positions opened: 62 | Existing positions closed: 133

Holders
436
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
$192M
Puts
$22.6M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
AllianceBernstein
126
AllianceBernstein
Tennessee
$3.12M
LSERS
127
Louisiana State Employees Retirement System
Louisiana
$3M
VA
128
Vident Advisory
Georgia
$2.97M
ECM
129
ExodusPoint Capital Management
New York
$2.95M
AM
130
AGF Management
Ontario, Canada
$2.93M
ACM
131
Alamar Capital Management
California
$2.93M
Treasurer of the State of North Carolina
132
Treasurer of the State of North Carolina
North Carolina
$2.86M
MF
133
Magnetar Financial
Illinois
$2.83M
TI
134
Tidal Investments
Wisconsin
$2.8M
PFSRSONJ
135
Police & Firemen's Retirement System of New Jersey
New Jersey
$2.8M
American Century Companies
136
American Century Companies
Missouri
$2.7M
Walleye Capital
137
Walleye Capital
New York
$2.66M
SEI Investments
138
SEI Investments
Pennsylvania
$2.56M
Bank of Nova Scotia
139
Bank of Nova Scotia
Ontario, Canada
$2.45M
VDBMI
140
Van Den Berg Management I
Texas
$2.44M
Hudson Bay Capital Management
141
Hudson Bay Capital Management
Connecticut
$2.43M
IG
142
ING Group
Netherlands
$2.39M
LAM
143
LECAP Asset Management
United Kingdom
$2.38M
Zurich Cantonal Bank
144
Zurich Cantonal Bank
Switzerland
$2.34M
GAM
145
Gotham Asset Management
New York
$2.32M
Ensign Peak Advisors
146
Ensign Peak Advisors
Utah
$2.3M
FAM
147
Fred Alger Management
New York
$2.28M
Assenagon Asset Management
148
Assenagon Asset Management
Luxembourg
$2.26M
State of New Jersey Common Pension Fund D
149
State of New Jersey Common Pension Fund D
New Jersey
$2.25M
CCM
150
Cinctive Capital Management
New York
$2.25M