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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
OSAM
301
O'Shaughnessy Asset Management
Connecticut
$240K
RPCONE
302
Retirement Planning Company of New England
Rhode Island
$240K
EF
303
Empirical Finance
Pennsylvania
$236K
PAM
304
Parvin Asset Management
South Dakota
$235K
CGH
305
Crossmark Global Holdings
Texas
$233K
XT
306
XTX Topco
Cayman Islands
$231K
Cetera Investment Advisers
307
Cetera Investment Advisers
Illinois
$225K
EF
308
Empowered Funds
Pennsylvania
$223K
SAI
309
Savvy Advisors Inc
New York
$223K
GP
310
Guardian Partners
Canada
$222K
NA
311
NewEdge Advisors
Louisiana
$216K
Capstone Investment Advisors
312
Capstone Investment Advisors
New York
$215K
CPIG
313
Chicago Partners Investment Group
Illinois
$214K
WIA
314
World Investment Advisors
California
$212K
CCI
315
Credit Capital Investments
New Jersey
$209K
HighTower Advisors
316
HighTower Advisors
Illinois
$201K
FDP
317
Financiere des Professionnels
Quebec, Canada
$201K
CI Investments Inc
318
CI Investments Inc
Ontario, Canada
$199K
Daiwa Securities Group
319
Daiwa Securities Group
Japan
$192K
GI
320
GAMMA Investing
California
$191K
QCG
321
Quadrant Capital Group
Ohio
$173K
ACM
322
Aster Capital Management
United Arab Emirates
$170K
SDIC
323
South Dakota Investment Council
South Dakota
$166K
SO
324
STRS Ohio
Ohio
$152K
QL
325
Quarry LP
New York
$125K