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MarketAxess Holdings

477 hedge funds and large institutions have $6.61B invested in MarketAxess Holdings in 2025 Q4 according to their latest regulatory filings, with 114 funds opening new positions, 152 increasing their positions, 170 reducing their positions, and 69 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

6% more capital invested

Capital invested by funds: $6.21B → $6.61B (+$398M)

2.88% more ownership

Funds ownership: 95.28%98.16% (+2.9%)

11% less repeat investments, than reductions

Existing positions increased: 152 | Existing positions reduced: 170

Holders
477
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$33.7M
Puts
$20.4M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
FISPB
101
Fideuram - Intesa Sanpaolo Private Banking
$5.31M
ROC
102
Robertson Opportunity Capital
Texas
$5.23M
GAM
103
Gotham Asset Management
New York
$5.21M
Amundi
104
Amundi
France
$5.19M
HA
105
Heartland Advisors
Wisconsin
$5.15M
Barclays
106
Barclays
United Kingdom
$5.06M
GCM
107
Geneva Capital Management
Wisconsin
$4.97M
Robeco Institutional Asset Management
108
Robeco Institutional Asset Management
Netherlands
$4.53M
GCC
109
Guardian Capital (Canada)
Ontario, Canada
$4.3M
Tudor Investment Corp
110
Tudor Investment Corp
Connecticut
$4.28M
THCM
111
Taylor Hoffman Capital Management
Virginia
$4.27M
LOAME
112
Lombard Odier Asset Management (Europe)
United Kingdom
$4.26M
RAM
113
Readystate Asset Management
Illinois
$4.24M
MIM
114
Morningstar Investment Management
Illinois
$4.17M
CCM
115
Cinctive Capital Management
New York
$4.14M
Caisse de Depot et Placement du Quebec (CDPQ)
116
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$4.08M
ACM
117
Aquatic Capital Management
Illinois
$3.85M
Russell Investments Group
118
Russell Investments Group
United Kingdom
$3.83M
AllianceBernstein
119
AllianceBernstein
Tennessee
$3.72M
New York State Common Retirement Fund
120
New York State Common Retirement Fund
New York
$3.67M
FCM
121
FJ Capital Management
Virginia
$3.67M
DADC
122
D.A. Davidson & Co
Montana
$3.67M
Baird Financial Group
123
Baird Financial Group
Wisconsin
$3.51M
VA
124
Vident Advisory
Georgia
$3.44M
IMRF
125
Illinois Municipal Retirement Fund
Illinois
$3.43M