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MarketAxess Holdings
MKTX

Overview Fund Activity

522 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, 227 increasing their positions, 157 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
522
Holders Change
+19
Holders Change %
+3.78%
% of All Funds
7%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.04%
New
85
Increased
227
Reduced
157
Closed
57
Calls
$65.9M
Puts
$8.94M
Net Calls
+$56.9M
Net Calls Change
+$35.4M

Top Buyers

1
AQR Capital Management
AQR Capital Management
Connecticut
+$139M
2
American Century Companies
American Century Companies
Missouri
+$59.2M
3
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$36M
4
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$35M
5
Fidelity Investments
Fidelity Investments
Massachusetts
+$31.8M

Top Sellers

1
WA
Wasatch Advisors
Utah
-$146M
2
Macquarie Group
Macquarie Group
Australia
-$137M
3
Marshall Wace
Marshall Wace
United Kingdom
-$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 		Shares
Change %
N
76
Natixis
France
$13.3M +$10.2M +45,653 +324%
T. Rowe Price Associates
77
T. Rowe Price Associates
Maryland
$13.3M +$16.5K +74 +0.1%
HSBC Holdings
78
HSBC Holdings
United Kingdom
$13M -$5.03M -22,636 -28%
CSS
79
Cubist Systematic Strategies
Connecticut
$13M +$13M +58,044 New
Los Angeles Capital Management
80
Los Angeles Capital Management
California
$12.6M -$623K -2,791 -5%
Point72 Asset Management
81
Point72 Asset Management
Connecticut
$12.4M +$12.4M +55,468 New
HF
82
HRT Financial
New York
$12.4M +$2.52M +11,289 +26%
Capital Fund Management (CFM)
83
Capital Fund Management (CFM)
France
$11.9M +$8.13M +36,397 +214%
Principal Financial Group
84
Principal Financial Group
Iowa
$11.5M +$1.74M +7,784 +18%
CS
85
Candriam SCA
Luxembourg
$11.2M +$11.2M +50,000 New
TI
86
Trexquant Investment
Connecticut
$11M +$6.1M +27,313 +124%
Citigroup
87
Citigroup
New York
$10.8M -$378K -1,693 -3%
AA
88
ALPS Advisors
Colorado
$10.4M -$73.7K -330 -0.7%
DDC
89
DF Dent & Co
Maryland
$10.3M +$10.3M +46,126 New
KCM
90
Kornitzer Capital Management
Kansas
$10.1M -$7.15K -32 -0.1%
EGM
91
Engineers Gate Manager
New York
$10.1M +$5.46M +24,437 +118%
KWM
92
Kingsview Wealth Management
Oregon
$9.25M -$220K -985 -2%
AG
93
Algert Global
California
$9.04M +$531K +2,379 +6%
O
94
Ossiam
France
$8.93M -$13M -58,000 -59%
State of Wisconsin Investment Board
95
State of Wisconsin Investment Board
Wisconsin
$8.93M +$1.11M +4,969 +14%
Mitsubishi UFJ Asset Management
96
Mitsubishi UFJ Asset Management
Japan
$8.72M +$379K +1,697 +5%
SCM
97
Sone Capital Management
New York
$8.62M -$9.45M -42,310 -52%
AllianceBernstein
98
AllianceBernstein
Tennessee
$8.5M -$108K -482 -1%
IPAM
99
ICICI Prudential Asset Management
India
$8.46M – – –
BG
100
Bahl & Gaynor
Ohio
$8.42M -$545K -2,442 -6%
2 3
4
5 6