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MarketAxess Holdings

447 hedge funds and large institutions have $6.31B invested in MarketAxess Holdings in 2026 Q1 according to their latest regulatory filings, with 61 funds opening new positions, 180 increasing their positions, 151 reducing their positions, and 88 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

less capital invested

Capital invested by funds: $ → $

8% less funds holding

Funds holding: 484447 (-37)

31% less first-time investments, than exits

New positions opened: 61 | Existing positions closed: 88

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

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
$36M
Puts
$10.5M
Net Calls
Net Calls Change

Top Sellers

1 -$95.1M
2 -$89.4M
3 -$85M
4
Holocene Advisors
Holocene Advisors
New York
-$30M
5
JP Morgan Chase
JP Morgan Chase
New York
-$19.7M
Name Holding Trade Value Shares
Change
Change in
Stake
ERSOT
351
Employees Retirement System of Texas
Texas
$51K
WPA
352
Wealth Preservation Advisors
Tennessee
$49.3K
Federated Hermes
353
Federated Hermes
Pennsylvania
$46K
Asset Management One
354
Asset Management One
Japan
$44.4K
QL
355
Quarry LP
New York
$43.4K
Nomura Asset Management
356
Nomura Asset Management
Japan
$42.9K
HWA
357
Heritage Wealth Advisors
Virginia
$38.8K
MPWT
358
MassMutual Private Wealth & Trust
Connecticut
$36.6K
GAM
359
Generali Asset Management
Italy
$35.3K
RC
360
Rexford Capital
Texas
$35.3K
SPIA
361
Steward Partners Investment Advisory
New York
$34.9K
UB
362
UMB Bank
Missouri
$34.8K
BC
363
Bayforest Capital
United Kingdom
$33.8K
SIC
364
SJS Investment Consulting
Ohio
$33K
QC
365
Quent Capital
New York
$24.9K
CFO
366
CVA Family Office
Colorado
$22.6K
ACM
367
Aster Capital Management
United Arab Emirates
$22.5K
Bank Julius Baer & Co
368
Bank Julius Baer & Co
Switzerland
$20.7K
QCG
369
Quadrant Capital Group
Ohio
$20.6K
VCM
370
Versant Capital Management
Arizona
$20.5K
SAM
371
Smartleaf Asset Management
Massachusetts
$19.3K
CFSG
372
Community Financial Services Group
Vermont
$19K
AWM
373
Activest Wealth Management
Florida
$18.6K
HPC
374
HM Payson & Co
Maine
$18.1K
S
375
SignatureFD
Georgia
$16.8K