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MarketAxess Holdings

447 hedge funds and large institutions have $6.21B invested in MarketAxess Holdings in 2025 Q3 according to their latest regulatory filings, with 62 funds opening new positions, 159 increasing their positions, 184 reducing their positions, and 136 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

less ownership

Funds ownership:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

25% less capital invested

Capital invested by funds: $8.24B → $6.21B (-$2.03B)

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

54% less first-time investments, than exits

New positions opened: 62 | Existing positions closed: 136

Holders
447
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$192M
Puts
$22.6M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
SOW
551
State of Wyoming
Wyoming
RAM
552
Resona Asset Management
Japan
AIP
553
Ameritas Investment Partners
Nebraska
PEAK6
554
PEAK6
Illinois
BIG
555
Brooklyn Investment Group
New York
PPC
556
Park Place Capital
Alabama
HCA
557
Harbor Capital Advisors
Illinois
SIM
558
Sentry Investment Management
Wisconsin
MSE
559
MUFG Securities EMEA
United Kingdom
NFSG
560
Newbridge Financial Services Group
Florida
MTC
561
Matrix Trust Company
Colorado
BF
562
BOK Financial
Oklahoma
WSFS
563
Wilmington Savings Fund Society
Delaware
ACM
564
Accent Capital Management
Ohio
YDMI
565
Y.D. More Investments
Israel
SSG
566
Summit Securities Group
New York
OP
567
ORG Partners
Indiana
HWA
568
HHM Wealth Advisors
Tennessee
TPWA
569
Twin Peaks Wealth Advisors
California
Kayne Anderson Rudnick Investment Management
570
Kayne Anderson Rudnick Investment Management
California
RTL
571
Red Tortoise LLC
Georgia
HHMI
572
Howard Hughes Medical Institute
Maryland
JWA
573
JFS Wealth Advisors
Pennsylvania
PWA
574
Physician Wealth Advisors
Utah
AWM
575
Activest Wealth Management
Florida