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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
TSS
301
Two Sigma Securities
New York
$256K
Truist Financial
302
Truist Financial
North Carolina
$249K
CCFM
303
Clear Creek Financial Management
Washington
$243K
OAC
304
OMERS Administration Corp
Ontario, Canada
$242K
OSAM
305
O'Shaughnessy Asset Management
Connecticut
$240K
RPCONE
306
Retirement Planning Company of New England
Rhode Island
$240K
EF
307
Empirical Finance
Pennsylvania
$236K
PAM
308
Parvin Asset Management
South Dakota
$235K
CGH
309
Crossmark Global Holdings
Texas
$233K
XT
310
XTX Topco
Cayman Islands
$231K
Cetera Investment Advisers
311
Cetera Investment Advisers
Illinois
$225K
EF
312
Empowered Funds
Pennsylvania
$223K
SAI
313
Savvy Advisors Inc
New York
$223K
GP
314
Guardian Partners
Canada
$222K
NA
315
NewEdge Advisors
Louisiana
$216K
Capstone Investment Advisors
316
Capstone Investment Advisors
New York
$215K
CPIG
317
Chicago Partners Investment Group
Illinois
$214K
WIA
318
World Investment Advisors
California
$212K
CCI
319
Credit Capital Investments
New Jersey
$209K
HighTower Advisors
320
HighTower Advisors
Illinois
$201K
FDP
321
Financiere des Professionnels
Quebec, Canada
$201K
CI Investments Inc
322
CI Investments Inc
Ontario, Canada
$199K
Daiwa Securities Group
323
Daiwa Securities Group
Japan
$192K
GI
324
GAMMA Investing
California
$191K
QCG
325
Quadrant Capital Group
Ohio
$173K