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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 %
WTC
451
WhitTier Trust Company
Nevada
$14.3K – – –
CIAM
452
Caitong International Asset Management
Hong Kong
$12.3K +$3.8K +17 +45%
WSFS
453
Wilmington Savings Fund Society
Delaware
$12.1K – – –
RBC
454
Roble Belko & Company
Pennsylvania
$12K – – –
ACM
455
Accent Capital Management
Ohio
$10.1K – – –
JFGIW
456
Johnson Financial Group Inc (Wisconsin)
Wisconsin
$9.6K – – –
PFBT
457
Parkside Financial Bank & Trust
Missouri
$9.16K +$223 +1 +3%
HWM
458
Hemington Wealth Management
Virginia
$9K +$3.07K +14 +52%
SS
459
SBI Securities
Japan
$8.93K -$670 -3 -7%
GRP
460
Global Retirement Partners
California
$8.36K +$8.36K +37 New
CT
461
Clearstead Trust
Maine
$8.26K +$2.68K +12 +48%
WBC
462
West Branch Capital
Massachusetts
$7.59K – – –
FHA
463
First Horizon Advisors
Tennessee
$6.48K +$894 +4 +16%
CMBA
464
C.M. Bidwell & Associates
Hawaii
$6.48K – – –
TPCW
465
TD Private Client Wealth
New York
$6.25K -$3.57K -16 -36%
DWM
466
Dogwood Wealth Management
Kansas
$6.07K +$6.07K +28 New
ST
467
Smithfield Trust
Pennsylvania
$6K – – –
TH
468
TCTC Holdings
Texas
$5.81K – – –
FMII
469
Farmers & Merchants Investments Inc
Nebraska
$5.58K – – –
PAM
470
Parvin Asset Management
South Dakota
$5.58K – – –
SSG
471
Summit Securities Group
New York
$5.58K +$5.58K +25 New
BWL
472
Bogart Wealth LLC
Virginia
$5.43K +$5.43K +24 New
AAP
473
Arax Advisory Partners
Colorado
$4.91K +$4.02K +18 +450%
IRC
474
Investors Research Corp
Georgia
$4.91K – – –
OP
475
ORG Partners
Indiana
$4.91K +$4.91K +22 New
17 18
19
20 21