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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
OTL
176
Oak Thistle LLC
New York
$1.22M
MSRPS
177
Maryland State Retirement & Pension System
Maryland
$1.18M
QT
178
Quantbot Technologies
New York
$1.14M
SFS
179
Stiles Financial Services
Minnesota
$1.12M
Jones Financial Companies
180
Jones Financial Companies
Missouri
$1.1M
EF
181
Empowered Funds
Pennsylvania
$1.07M
BHC
182
Bull Harbor Capital
Maryland
$1.05M
DTL
183
Dynamic Technology Lab
Singapore
$1.05M
RIM
184
Redwood Investment Management
Arizona
$1.03M
Toronto Dominion Bank
185
Toronto Dominion Bank
Ontario, Canada
$997K
SG Americas Securities
186
SG Americas Securities
New York
$995K
VOYA Investment Management
187
VOYA Investment Management
Georgia
$964K
HighTower Advisors
188
HighTower Advisors
Illinois
$963K
PAM
189
Parvin Asset Management
South Dakota
$952K
EPW
190
Evolve Private Wealth
California
$940K
DT
191
Diversified Trust
Tennessee
$933K
Pictet Asset Management
192
Pictet Asset Management
Switzerland
$926K
BA
193
Bridgewater Associates
Connecticut
$925K
Osaic Holdings
194
Osaic Holdings
Arizona
$880K
Nisa Investment Advisors
195
Nisa Investment Advisors
Missouri
$863K
AC
196
AXQ Capital
New Jersey
$856K
SCP
197
Sivia Capital Partners
California
$854K
DekaBank Deutsche Girozentrale
198
DekaBank Deutsche Girozentrale
Germany
$854K
Ensign Peak Advisors
199
Ensign Peak Advisors
Utah
$852K
Alyeska Investment Group
200
Alyeska Investment Group
Illinois
$832K