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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 %
APG Asset Management
526
APG Asset Management
Netherlands
– -$4.13M -20,600 Closed
EP
527
Edgestream Partners
New Jersey
– -$3.17M -14,655 Closed
PFA
528
Peak Financial Advisors
Colorado
– -$3.07M -14,212 Closed
ECM
529
Element Capital Management
New York
– -$2.75M -12,697 Closed
PE
530
Point72 Europe
United Kingdom
– -$2.34M -10,800 Closed
HZ
531
Hixon Zuercher
Ohio
– -$2.31M -10,680 Closed
FCM
532
Fieldview Capital Management
Michigan
– -$2.21M -10,195 Closed
CF
533
Corebridge Financial
Texas
– -$1.87M -8,659 Closed
TC
534
TownSquare Capital
Utah
– -$1.73M -8,004 Closed
BMSSC
535
B. Metzler seel. Sohn & Co
Germany
– -$1.71M -7,890 Closed
AIM
536
Achmea Investment Management
Netherlands
– -$1.62M -7,481 Closed
CFM
537
Catalyst Funds Management
Australia
– -$1.6M -7,400 Closed
IGAM
538
iA Global Asset Management
Quebec, Canada
– -$1.42M -6,569 Closed
TSS
539
Two Sigma Securities
New York
– -$1.17M -5,406 Closed
JSSH
540
J. Safra Sarasin Holding
– -$1.06M -4,903 Closed
EAM
541
Eventide Asset Management
Massachusetts
– -$983K -4,543 Closed
Polen Capital Management
542
Polen Capital Management
Florida
– -$875K -4,046 Closed
LP
543
LMR Partners
United Kingdom
– -$817K -3,775 Closed
QC
544
Quantessence Capital
New York
– -$787K -3,637 Closed
BCM
545
Bayesian Capital Management
New York
– -$646K -2,985 Closed
TAF
546
Tredje AP-fonden
Sweden
– -$645K -2,980 Closed
Jacobs Levy Equity Management
547
Jacobs Levy Equity Management
New Jersey
– -$543K -2,511 Closed
CIM
548
Contravisory Investment Management
Massachusetts
– -$485K -2,241 Closed
Group One Trading
549
Group One Trading
Illinois
– -$476K -2,202 Closed
CIS
550
Custom Index Systems
New York
– -$396K -1,831 Closed
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