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MarketAxess Holdings

443 hedge funds and large institutions have $6.21B invested in MarketAxess Holdings in 2025 Q3 according to their latest regulatory filings, with 61 funds opening new positions, 159 increasing their positions, 184 reducing their positions, and 134 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

less ownership

Funds ownership:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

25% less capital invested

Capital invested by funds: $8.24B → $6.21B (-$2.03B)

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

54% less first-time investments, than exits

New positions opened: 61 | Existing positions closed: 134

Holders
443
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
$192M
Puts
$22.6M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
COPPSERS
176
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$1.66M
A
177
AlphaQuest
New York
$1.64M
Manulife (Manufacturers Life Insurance)
178
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.64M
Handelsbanken Fonder
179
Handelsbanken Fonder
Sweden
$1.63M
Mercer Global Advisors
180
Mercer Global Advisors
Colorado
$1.57M
FRM
181
Fox Run Management
Connecticut
$1.52M
OPERF
182
Oregon Public Employees Retirement Fund
Oregon
$1.46M
SFS
183
Stiles Financial Services
Minnesota
$1.46M
M
184
MATAURO
New York
$1.45M
HI
185
Horizon Investments
North Carolina
$1.43M
CIBC World Market
186
CIBC World Market
Ontario, Canada
$1.42M
Verition Fund Management
187
Verition Fund Management
Connecticut
$1.39M
FPAS
188
Focus Partners Advisor Solutions
Missouri
$1.39M
QCM
189
Qsemble Capital Management
New York
$1.38M
TRSOTSOK
190
Teachers Retirement System of the State of Kentucky
Kentucky
$1.38M
KCM
191
Kornitzer Capital Management
Kansas
$1.37M
KK
192
KLP Kapitalforvaltning
Norway
$1.36M
PAS
193
Point72 Asia (Singapore)
Singapore
$1.33M
AG
194
AIA Group
Hong Kong
$1.32M
ECA
195
Elevate Capital Advisors
Colorado
$1.27M
BC
196
Bridgefront Capital
Texas
$1.25M
MSRPS
197
Maryland State Retirement & Pension System
Maryland
$1.24M
SW
198
SVB Wealth
Massachusetts
$1.21M
IIM
199
INTECH Investment Management
Florida
$1.19M
SRL
200
Scientech Research LLC
New Jersey
$1.15M