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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 %
Nisa Investment Advisors
226
Nisa Investment Advisors
Missouri
$1.1M +$66.3K +297 +6%
Mercer Global Advisors
227
Mercer Global Advisors
Colorado
$1.1M +$611K +2,735 +126%
Mirae Asset Global Investments
228
Mirae Asset Global Investments
South Korea
$1.07M +$39.5K +177 +4%
CIBC Asset Management
229
CIBC Asset Management
Ontario, Canada
$1.06M -$107K -478 -9%
OTL
230
Oak Thistle LLC
New York
$1.06M +$178K +799 +20%
IWC
231
Integrated Wealth Concepts
Massachusetts
$1.05M +$390K +1,748 +60%
Lazard Asset Management
232
Lazard Asset Management
New York
$1.04M -$234K -1,048 -18%
CIBC Private Wealth Group
233
CIBC Private Wealth Group
Georgia
$1.02M -$66.8K -299 -6%
YCM
234
Yousif Capital Management
Michigan
$1.01M -$15.6K -70 -2%
GCP
235
GSA Capital Partners
United Kingdom
$998K +$407K +1,822 +69%
VPIM
236
Vanguard Personalized Indexing Management
California
$993K +$178K +797 +22%
P
237
&Partners
Tennessee
$963K +$963K +4,310 New
MOACM
238
Mutual of America Capital Management
New York
$961K -$18.5K -83 -2%
Walleye Trading
239
Walleye Trading
New York
$942K +$174K +780 +23%
SOADOR
240
State of Alaska Department of Revenue
Alaska
$941K -$44.7K -200 -5%
BCI
241
Brinker Capital Investments
Pennsylvania
$939K +$15.4K +69 +2%
ETC
242
Exchange Traded Concepts
Oklahoma
$928K +$14.3K +64 +2%
OSAM
243
O'Shaughnessy Asset Management
Connecticut
$909K +$308K +1,381 +51%
WP
244
Woodline Partners
California
$905K +$194K +867 +27%
FPAS
245
Focus Partners Advisor Solutions
Missouri
$868K +$611K +2,738 +238%
BJL
246
Brighton Jones LLC
Washington
$866K +$866K +3,878 New
SC
247
SummitTX Capital
Texas
$848K +$454K +2,033 +115%
Daiwa Securities Group
248
Daiwa Securities Group
Japan
$820K +$302K +1,351 +58%
Focus Partners Wealth
249
Focus Partners Wealth
Massachusetts
$813K +$516K +2,310 +174%
Mirae Asset Global ETFs Holdings
250
Mirae Asset Global ETFs Holdings
Hong Kong
$798K +$135K +606 +20%
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