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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 %
Stifel Financial
126
Stifel Financial
Missouri
$5.7M +$4.06M +18,164 +247%
Toronto Dominion Bank
127
Toronto Dominion Bank
Ontario, Canada
$5.69M +$1.23M +5,508 +28%
Caisse de Depot et Placement du Quebec (CDPQ)
128
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$5.64M +$3.54M +15,867 +169%
LOAME
129
Lombard Odier Asset Management (Europe)
United Kingdom
$5.53M +$5.53M +24,750 New
GPGA
130
Grandeur Peak Global Advisors
Utah
$5.48M -$910K -4,075 -14%
GCM
131
Geneva Capital Management
Wisconsin
$5.35M +$1.18M +5,282 +28%
Flossbach Von Storch
132
Flossbach Von Storch
Germany
$5.14M – – –
Ensign Peak Advisors
133
Ensign Peak Advisors
Utah
$5.09M +$1.09M +4,860 +27%
Natixis Advisors
134
Natixis Advisors
Massachusetts
$4.82M +$759K +3,396 +19%
New York State Common Retirement Fund
135
New York State Common Retirement Fund
New York
$4.76M – – –
LPL Financial
136
LPL Financial
California
$4.49M +$2.51M +11,247 +127%
Wells Fargo
137
Wells Fargo
California
$4.47M -$2.24M -10,029 -33%
Chevy Chase Trust
138
Chevy Chase Trust
Maryland
$4.42M +$7.59K +34 +0.2%
Nordea Investment Management
139
Nordea Investment Management
Sweden
$4.33M +$611K +2,784 +16%
CCM
140
Cinctive Capital Management
New York
$4.3M +$1.06M +4,756 +33%
AI
141
Atom Investors
Texas
$4.3M +$4.3M +19,261 New
Carson Wealth (CWM LLC)
142
Carson Wealth (CWM LLC)
Nebraska
$4.27M +$3.3M +14,792 +342%
BHCM
143
Brevan Howard Capital Management
Jersey
$4.18M +$3.19M +14,266 +320%
Squarepoint
144
Squarepoint
New York
$4.1M -$12M -53,771 -75%
AIMCA
145
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$4.09M +$447K +2,000 +12%
DADC
146
D.A. Davidson & Co
Montana
$4.08M +$59.6K +267 +1%
Treasurer of the State of North Carolina
147
Treasurer of the State of North Carolina
North Carolina
$3.8M +$26.8K +120 +0.7%
ACM
148
Alamar Capital Management
California
$3.74M -$58.5K -262 -2%
Ameriprise
149
Ameriprise
Minnesota
$3.69M +$721K +3,229 +24%
JSP
150
Jackson Square Partners
California
$3.63M -$18.2M -81,441 -83%
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