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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 %
MSRPS
326
Maryland State Retirement & Pension System
Maryland
$385K – – –
FC
327
Forte Capital
New York
$384K -$22.3K -100 -5%
Allspring Global Investments
328
Allspring Global Investments
North Carolina
$382K -$11.8K -53 -3%
PAS
329
Park Avenue Securities
New York
$382K +$22.8K +102 +6%
Sumitomo Mitsui Trust Group
330
Sumitomo Mitsui Trust Group
Japan
$379K +$8.93K +40 +2%
GAM
331
Groupama Asset Management
France
$379K -$192K -876 -34%
BPC
332
Banque Pictet & Cie
Switzerland
$370K -$24.6K -110 -6%
QCG
333
Quadrant Capital Group
Ohio
$369K -$8.04K -36 -2%
GC
334
Globeflex Capital
California
$368K – – –
BFA
335
Benedict Financial Advisors
Georgia
$358K +$14.7K +66 +4%
Cetera Investment Advisers
336
Cetera Investment Advisers
Illinois
$355K +$32.2K +144 +10%
Jones Financial Companies
337
Jones Financial Companies
Missouri
$353K +$52.7K +240 +18%
BNP Paribas Asset Management
338
BNP Paribas Asset Management
France
$330K +$73.6K +329 +29%
CGH
339
Crossmark Global Holdings
Texas
$325K +$108K +484 +50%
WIA
340
World Investment Advisors
California
$325K -$85.1K -381 -21%
RPCONE
341
Retirement Planning Company of New England
Rhode Island
$323K -$2.46K -11 -0.8%
CCFM
342
Clear Creek Financial Management
Washington
$316K +$26.8K +120 +9%
IPW
343
Impact Partnership Wealth
Georgia
$315K +$315K +1,409 New
OAC
344
OMERS Administration Corp
Ontario, Canada
$310K – – –
HCMT
345
Highland Capital Management (Tennessee)
Tennessee
$302K +$302K +1,354 New
EF
346
Empirical Finance
Pennsylvania
$301K +$2.46K +11 +0.8%
SFA
347
Sequoia Financial Advisors
Ohio
$292K +$292K +1,306 New
GP
348
Guardian Partners
Canada
$291K -$85.5K -390 -23%
Macquarie Group
349
Macquarie Group
Australia
$288K -$137M -611,457 -100%
William Blair & Company
350
William Blair & Company
Illinois
$287K +$287K +1,287 New
12 13
14
15 16