MKTX icon

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 %
FLFS
501
Family Legacy Financial Solutions
North Carolina
$713 +$713 +3 New
MCM
502
MAI Capital Management
Ohio
$680 +$227 +1 +50%
SIC
503
SJS Investment Consulting
Ohio
$671 +$447 +2 +200%
SC
504
Stephens Consulting
Michigan
$671 +$671 +3 New
RA
505
Rise Advisors
New York
$670 – – –
AWM
506
Activest Wealth Management
Florida
$670 +$670 +3 New
ZBNA
507
Zions Bancorporation, National Association
Utah
$447 – – –
HIA
508
HFM Investment Advisors
New Jersey
$447 +$224 +1 +100%
RWM
509
Rialto Wealth Management
New York
$447 +$447 +2 New
KG
510
Kilter Group
New York
$447 +$447 +2 New
RIL
511
Rothschild Investment LLC
Illinois
$447 +$447 +2 New
DF
512
Dunhill Financial
United Kingdom
$374 +$374 +1 New
TFM
513
TFC Financial Management
Massachusetts
$224 +$224 +1 New
AF
514
Advisornet Financial
Minnesota
$223 – – –
HI
515
Harbour Investments
Wisconsin
$223 – – –
WA
516
WestEnd Advisors
North Carolina
$223 – – –
PWM
517
Parkworth Wealth Management
California
$223 – – –
BHWM
518
Bay Harbor Wealth Management
Maryland
$223 – – –
LFA
519
LGT Financial Advisors
Texas
$223 +$223 +1 New
TFA
520
Transamerica Financial Advisors
Florida
$53 – – –
YDMI
521
Y.D. More Investments
Israel
$23 -$12 -18 -33%
Marshall Wace
522
Marshall Wace
United Kingdom
– -$77.5M -358,332 Closed
Balyasny Asset Management
523
Balyasny Asset Management
Illinois
– -$23.4M -108,140 Closed
ECM
524
ExodusPoint Capital Management
New York
– -$10.4M -48,202 Closed
GC
525
Gillson Capital
Illinois
– -$10.2M -46,999 Closed
19 20
21
22 23