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MarketAxess Holdings

524 hedge funds and large institutions have $8.24B invested in MarketAxess Holdings in 2025 Q2 according to their latest regulatory filings, with 85 funds opening new positions, 226 increasing their positions, 159 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
524
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
$65.9M
Puts
$8.94M
Net Calls
Net Calls Change

Top Sellers

1 -$146M
2 -$137M
3 -$77.5M
4
Millennium Management
Millennium Management
New York
-$41.7M
5
VanEck Associates
VanEck Associates
New York
-$39.4M
Name Holding Trade Value Shares
Change
Change in
Stake
NPF
101
Norris Perne & French
Michigan
$8.25M
State Board of Administration of Florida Retirement System
102
State Board of Administration of Florida Retirement System
Florida
$8.24M
WA
103
Wasatch Advisors
Utah
$8.16M
California State Teachers Retirement System (CalSTRS)
104
California State Teachers Retirement System (CalSTRS)
California
$8.03M
FCBT
105
First Citizens Bank & Trust
North Carolina
$7.97M
Adage Capital Partners
106
Adage Capital Partners
Massachusetts
$7.67M
TC
107
TwinBeech Capital
New York
$7.64M
Envestnet Portfolio Solutions
108
Envestnet Portfolio Solutions
Illinois
$7.6M
National Bank of Canada
109
National Bank of Canada
Quebec, Canada
$7.53M
IIM
110
INTECH Investment Management
Florida
$7.49M
Bank of Montreal
111
Bank of Montreal
Ontario, Canada
$7.38M
SSA
112
Schonfeld Strategic Advisors
New York
$7.34M
ACM
113
Aquatic Capital Management
Illinois
$7.25M
IP
114
Interval Partners
New York
$7.17M
MF
115
Magnetar Financial
Illinois
$7.12M
SG Americas Securities
116
SG Americas Securities
New York
$7.1M
CWM
117
Congress Wealth Management
Massachusetts
$7.01M
PCM
118
Prana Capital Management
Connecticut
$6.88M
Susquehanna International Group
119
Susquehanna International Group
Pennsylvania
$6.73M
Teacher Retirement System of Texas
120
Teacher Retirement System of Texas
Texas
$6.6M
New York State Teachers Retirement System (NYSTRS)
121
New York State Teachers Retirement System (NYSTRS)
New York
$6.59M
HFS
122
Hantz Financial Services
Michigan
$6.53M
Manulife (Manufacturers Life Insurance)
123
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$6.45M
Cerity Partners
124
Cerity Partners
New York
$6.26M
GC
125
Guardian Capital
Ontario, Canada
$5.87M