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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
LCM
201
Legato Capital Management
California
$937K
YIH
202
Y-Intercept (HK)
Hong Kong
$935K
GCP
203
GSA Capital Partners
United Kingdom
$931K
VOYA Investment Management
204
VOYA Investment Management
Georgia
$884K
Universal-Beteiligungs- und Servicegesellschaft
205
Universal-Beteiligungs- und Servicegesellschaft
Germany
$877K
JFG
206
Jefferies Financial Group
New York
$862K
DFCM
207
Dark Forest Capital Management
Puerto Rico
$839K
AG
208
AIA Group
Hong Kong
$829K
FDCDDQ
209
Federation des caisses Desjardins du Quebec
Quebec, Canada
$817K
AA
210
Ancora Advisors
Ohio
$786K
BHCM
211
Brevan Howard Capital Management
Jersey
$777K
PP
212
PDT Partners
New York
$776K
IA
213
IFP Advisors
Florida
$773K
CIA
214
Caerus Investment Advisors
Texas
$773K
MOACM
215
Mutual of America Capital Management
New York
$770K
HWAM
216
Hennion & Walsh Asset Management
New Jersey
$770K
TD Asset Management
217
TD Asset Management
Ontario, Canada
$759K
Capstone Investment Advisors
218
Capstone Investment Advisors
New York
$758K
OL
219
Odyssean LLC
Connecticut
$753K
VPIM
220
Vanguard Personalized Indexing Management
California
$722K
Nisa Investment Advisors
221
Nisa Investment Advisors
Missouri
$714K
Public Employees Retirement Association of Colorado
222
Public Employees Retirement Association of Colorado
Colorado
$708K
SCP
223
Sivia Capital Partners
California
$703K
LPL Financial
224
LPL Financial
California
$702K
FRM
225
Fox Run Management
Connecticut
$692K