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MarketAxess Holdings

437 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, 158 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
437
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
AIMCA
451
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
JSP
452
Jackson Square Partners
California
LIP
453
Lighthouse Investment Partners
Florida
Rafferty Asset Management
454
Rafferty Asset Management
New York
CCM
455
Coldstream Capital Management
Washington
YIH
456
Y-Intercept (HK)
Hong Kong
SOMRS
457
State of Michigan Retirement System
Michigan
CNB
458
Czech National Bank
Czech Republic
OAM
459
Oppenheimer Asset Management
New York
ProShare Advisors
460
ProShare Advisors
Maryland
Retirement Systems of Alabama
461
Retirement Systems of Alabama
Alabama
UM
462
UniSuper Management
Australia
CA
463
Callahan Advisors
Texas
OBAM
464
ODDO BHF Asset Management
France
MCM
465
Moore Capital Management
New York
OTPPB
466
Ontario Teachers' Pension Plan Board
Ontario, Canada
Mirae Asset Global Investments
467
Mirae Asset Global Investments
South Korea
IWC
468
Integrated Wealth Concepts
Massachusetts
GCP
469
GSA Capital Partners
United Kingdom
BCI
470
Brinker Capital Investments
Pennsylvania
WP
471
Woodline Partners
California
Mirae Asset Global ETFs Holdings
472
Mirae Asset Global ETFs Holdings
Hong Kong
CC
473
Centiva Capital
New York
Mackenzie Financial
474
Mackenzie Financial
Ontario, Canada
IMRF
475
Illinois Municipal Retirement Fund
Illinois