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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 %
DFCM
201
Dark Forest Capital Management
Puerto Rico
$1.68M -$365K -1,633 -18%
SRL
202
Scientech Research LLC
New Jersey
$1.62M +$998K +4,467 +160%
JFG
203
Jefferies Financial Group
New York
$1.56M -$5.98M -26,797 -79%
PHK
204
Point72 Hong Kong
Hong Kong
$1.51M +$1.51M +6,762 New
SW
205
SVB Wealth
Massachusetts
$1.5M +$206K +921 +16%
KeyBank National Association
206
KeyBank National Association
Ohio
$1.44M -$212K -950 -13%
NEI
207
Northwest & Ethical Investments
Ontario, Canada
$1.41M +$47.8K +214 +4%
BSB
208
Bangor Savings Bank
Maine
$1.41M -$15.9K -71 -1%
US Bancorp
209
US Bancorp
Minnesota
$1.41M -$392K -1,754 -22%
HI
210
Horizon Investments
North Carolina
$1.36M +$1.24M +5,530 +1,007%
URS
211
Utah Retirement Systems
Utah
$1.35M -$18.5K -83 -1%
CAPTRUST Financial Advisors
212
CAPTRUST Financial Advisors
North Carolina
$1.34M +$848K +3,797 +174%
PCA
213
Pallas Capital Advisors
Massachusetts
$1.26M +$923K +4,134 +277%
CA
214
Callahan Advisors
Texas
$1.23M – – –
OBAM
215
ODDO BHF Asset Management
France
$1.22M -$85.8K -384 -7%
Victory Capital Management
216
Victory Capital Management
Texas
$1.21M -$2.68M -12,000 -69%
MFG
217
Merit Financial Group
Georgia
$1.17M +$802K +3,591 +220%
Osaic Holdings
218
Osaic Holdings
Arizona
$1.16M +$13K +58 +1%
Comerica Bank
219
Comerica Bank
Texas
$1.15M -$2.68K -12 -0.2%
Neuberger Berman Group
220
Neuberger Berman Group
New York
$1.14M +$345K +1,543 +44%
MCM
221
Moore Capital Management
New York
$1.13M +$798K +3,573 +237%
FRM
222
Fox Run Management
Connecticut
$1.12M +$876K +3,923 +358%
OTPPB
223
Ontario Teachers' Pension Plan Board
Ontario, Canada
$1.12M +$348K +1,559 +45%
A
224
AlphaQuest
New York
$1.11M +$116K +520 +12%
DekaBank Deutsche Girozentrale
225
DekaBank Deutsche Girozentrale
Germany
$1.11M +$11.1K +51 +1%
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9
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