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MarketAxess Holdings

436 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, 157 increasing their positions, 179 reducing their positions, and 133 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)

53% less first-time investments, than exits

New positions opened: 62 | Existing positions closed: 133

Holders
436
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
MCM
426
MAI Capital Management
Ohio
$358
BGAI
427
Bruce G. Allen Investments
Colorado
$349
DF
428
Dunhill Financial
United Kingdom
$187
SC
429
SouthState Corp
Florida
$175
TFM
430
TFC Financial Management
Massachusetts
$175
HIA
431
HFM Investment Advisors
New Jersey
$174
HI
432
Harbour Investments
Wisconsin
$174
BHWM
433
Bay Harbor Wealth Management
Maryland
$174
TFA
434
Transamerica Financial Advisors
Florida
$41
Norges Bank
435
Norges Bank
Norway
CAM
436
Congress Asset Management
Massachusetts
WHG
437
Westwood Holdings Group
Texas
Schroder Investment Management Group
438
Schroder Investment Management Group
United Kingdom
CS
439
Candriam SCA
Luxembourg
KWM
440
Kingsview Wealth Management
Oregon
O
441
Ossiam
France
WA
442
Wasatch Advisors
Utah
Adage Capital Partners
443
Adage Capital Partners
Massachusetts
TC
444
TwinBeech Capital
New York
National Bank of Canada
445
National Bank of Canada
Quebec, Canada
Caisse de Depot et Placement du Quebec (CDPQ)
446
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
Natixis Advisors
447
Natixis Advisors
Massachusetts
Chevy Chase Trust
448
Chevy Chase Trust
Maryland
AI
449
Atom Investors
Texas
AIMCA
450
Alberta Investment Management Corp (AIMCo)
Alberta, Canada