MKTX icon

MarketAxess Holdings

477 hedge funds and large institutions have $6.61B invested in MarketAxess Holdings in 2025 Q4 according to their latest regulatory filings, with 114 funds opening new positions, 152 increasing their positions, 170 reducing their positions, and 69 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

6% more capital invested

Capital invested by funds: $6.21B → $6.61B (+$398M)

2.88% more ownership

Funds ownership: 95.28%98.16% (+2.9%)

11% less repeat investments, than reductions

Existing positions increased: 152 | Existing positions reduced: 170

Holders
477
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$33.7M
Puts
$20.4M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
CL
351
CSS LLC
Illinois
$203K
CAM
352
Claret Asset Management
Quebec, Canada
$202K
Commonwealth Equity Services
353
Commonwealth Equity Services
Massachusetts
$201K
A
354
AlphaQuest
New York
$199K
CI
355
CX Institutional
Indiana
$198K
SO
356
STRS Ohio
Ohio
$158K
PWPS
357
Pinnacle Wealth Planning Services
Ohio
$158K
SDIC
358
South Dakota Investment Council
South Dakota
$154K
C
359
Covestor
United Kingdom
$147K
TWD
360
True Wealth Design
Ohio
$125K
VCM
361
Versant Capital Management
Arizona
$113K
HFS
362
Hantz Financial Services
Michigan
$112K
MIM
363
MetLife Investment Management
New Jersey
$108K
ECSS
364
Eurizon Capital SGR SpA
$106K
Northwestern Mutual Wealth Management
365
Northwestern Mutual Wealth Management
Wisconsin
$89.9K
QL
366
Quarry LP
New York
$87K
Asset Management One
367
Asset Management One
Japan
$85.9K
SOW
368
State of Wyoming
Wyoming
$76.3K
AIM
369
Anchor Investment Management
South Carolina
$67.8K
CT
370
Colonial Trust
South Carolina
$63.6K
BC
371
Bayforest Capital
United Kingdom
$61.1K
NICM
372
Neo Ivy Capital Management
New York
$58.2K
MPWT
373
MassMutual Private Wealth & Trust
Connecticut
$56.4K
ERSOT
374
Employees Retirement System of Texas
Texas
$56K
Group One Trading
375
Group One Trading
Illinois
$54K