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MarketAxess Holdings

436 hedge funds and large institutions have $6.21B invested in MarketAxess Holdings in 2025 Q3 according to their latest regulatory filings, with 62 funds opening new positions, 157 increasing their positions, 179 reducing their positions, and 133 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)

53% less first-time investments, than exits

New positions opened: 62 | Existing positions closed: 133

Holders
436
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
WAM
76
Wilson Asset Management
Australia
$8.75M
IPAM
77
ICICI Prudential Asset Management
India
$8.21M
ACM
78
Aquatic Capital Management
Illinois
$7.32M
DDC
79
DF Dent & Co
Maryland
$7.32M
EGM
80
Engineers Gate Manager
New York
$7.32M
TI
81
Trexquant Investment
Connecticut
$7.04M
PAMP
82
Polar Asset Management Partners
Ontario, Canada
$7.01M
LOAME
83
Lombard Odier Asset Management (Europe)
United Kingdom
$6.91M
JF
84
Jump Financial
Illinois
$6.89M
Canada Life
85
Canada Life
Manitoba, Canada
$6.8M
JFG
86
Jefferies Financial Group
New York
$6.64M
PP
87
Prospector Partners
Connecticut
$6.62M
GC
88
Gillson Capital
Illinois
$6.53M
BG
89
Bahl & Gaynor
Ohio
$6.36M
State Board of Administration of Florida Retirement System
90
State Board of Administration of Florida Retirement System
Florida
$6.33M
New York State Teachers Retirement System (NYSTRS)
91
New York State Teachers Retirement System (NYSTRS)
New York
$6.31M
California State Teachers Retirement System (CalSTRS)
92
California State Teachers Retirement System (CalSTRS)
California
$6.26M
Barclays
93
Barclays
United Kingdom
$6.13M
N
94
Natixis
France
$6.1M
State of Wisconsin Investment Board
95
State of Wisconsin Investment Board
Wisconsin
$6.05M
WAM
96
Weiss Asset Management
Massachusetts
$5.99M
FCBT
97
First Citizens Bank & Trust
North Carolina
$5.97M
BHCM
98
Brevan Howard Capital Management
Jersey
$5.91M
GC
99
Guardian Capital
Ontario, Canada
$5.85M
IC
100
IEQ Capital
California
$5.69M