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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
BGDI
451
BW Gestao de Investimentos
Brazil
QC
452
Quadrature Capital
United Kingdom
Susquehanna International Group
453
Susquehanna International Group
Pennsylvania
PMAM
454
Picton Mahoney Asset Management
Ontario, Canada
Robeco Institutional Asset Management
455
Robeco Institutional Asset Management
Netherlands
Tudor Investment Corp
456
Tudor Investment Corp
Connecticut
FCM
457
FJ Capital Management
Virginia
DADC
458
D.A. Davidson & Co
Montana
ACM
459
Alamar Capital Management
California
SC
460
SummitTX Capital
Texas
Hudson Bay Capital Management
461
Hudson Bay Capital Management
Connecticut
BC
462
Bridgefront Capital
Texas
Lazard Asset Management
463
Lazard Asset Management
New York
GCM
464
Gator Capital Management
Florida
LAM
465
LECAP Asset Management
United Kingdom
Verition Fund Management
466
Verition Fund Management
Connecticut
DL
467
Dockside LLC
New York
MSE
468
MUFG Securities EMEA
United Kingdom
IIM
469
INTECH Investment Management
Florida
LCM
470
Legato Capital Management
California
AG
471
AIA Group
Hong Kong
BHCM
472
Brevan Howard Capital Management
Jersey
Capstone Investment Advisors
473
Capstone Investment Advisors
New York
PUI
474
Purpose Unlimited Inc
PAM
475
Panagora Asset Management
Massachusetts