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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
FDCDDQ
251
Federation des caisses Desjardins du Quebec
Quebec, Canada
$439K
AssetMark Inc
252
AssetMark Inc
California
$438K
EW
253
Evoke Wealth
California
$434K
FRM
254
Fox Run Management
Connecticut
$432K
CFG
255
Citizens Financial Group
Rhode Island
$428K
DO
256
denkapparat Operations
Germany
$425K
OSAM
257
O'Shaughnessy Asset Management
Connecticut
$425K
OF
258
Optimize Financial
California
$422K
Aviva
259
Aviva
United Kingdom
$412K
AF
260
Allworth Financial
California
$411K
TCA
261
Transcend Capital Advisors
New Jersey
$410K
CIA
262
Caerus Investment Advisors
Texas
$400K
CA
263
Clearstead Advisors
Ohio
$385K
AAP
264
Arax Advisory Partners
Colorado
$379K
SL
265
Sentinus LLC
Illinois
$378K
PEAK6
266
PEAK6
Illinois
$378K
Corient Private Wealth
267
Corient Private Wealth
Florida
$377K
TSS
268
Two Sigma Securities
New York
$373K
CIBC Asset Management
269
CIBC Asset Management
Ontario, Canada
$369K
RMCM
270
Reynders McVeigh Capital Management
Massachusetts
$365K
Bessemer Group
271
Bessemer Group
New Jersey
$362K
XSC
272
X-Square Capital
Puerto Rico
$360K
SLAM
273
Swiss Life Asset Management
$353K
RIL
274
Rothschild Investment LLC
Illinois
$351K
PNC Financial Services Group
275
PNC Financial Services Group
Pennsylvania
$351K