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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
MIM
301
Morningstar Investment Management
Illinois
$264K
RS
302
R Squared
Hong Kong
$262K
AWA
303
Argos Wealth Advisors
California
$258K
ACM
304
Aquatic Capital Management
Illinois
$249K
AWC
305
Abundance Wealth Counselors
Pennsylvania
$247K
Teacher Retirement System of Texas
306
Teacher Retirement System of Texas
Texas
$241K
BIG
307
Brooklyn Investment Group
New York
$239K
BFA
308
Benedict Financial Advisors
Georgia
$239K
GI
309
GAMMA Investing
California
$238K
LFA
310
Legacy Financial Advisors
Kentucky
$238K
FCM
311
Fieldview Capital Management
Michigan
$233K
VT
312
Vise Technologies
New York
$232K
GP
313
Guardian Partners
Canada
$232K
WCP
314
Wick Capital Partners
Pennsylvania
$232K
QFW
315
QTR Family Wealth
Florida
$231K
OAC
316
OMERS Administration Corp
Ontario, Canada
$229K
OL
317
Odyssean LLC
Connecticut
$228K
GC
318
Globeflex Capital
California
$226K
EF
319
Empirical Finance
Pennsylvania
$214K
KCM
320
Kornitzer Capital Management
Kansas
$213K
TRCT
321
Tower Research Capital (TRC)
New York
$211K
FFA
322
Fi3 Financial Advisors
Indiana
$208K
RPCONE
323
Retirement Planning Company of New England
Rhode Island
$206K
SCM
324
Shelton Capital Management
Colorado
$205K
SCM
325
Sterling Capital Management
North Carolina
$202K