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MarketAxess Holdings

437 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, 158 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
437
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
AMI
276
Amica Mutual Insurance
Rhode Island
$340K
HKAM
277
Horizon Kinetics Asset Management
New York
$340K
NPF
278
Norris Perne & French
Michigan
$337K
KIA
279
Knollwood Investment Advisory
Maryland
$337K
URS
280
Utah Retirement Systems
Utah
$336K
X
281
Xponance
Pennsylvania
$328K
MAS
282
Meeder Advisory Services
Ohio
$327K
BFA
283
Benedict Financial Advisors
Georgia
$326K
XSC
284
X-Square Capital
Puerto Rico
$326K
SC
285
SummitTX Capital
Texas
$319K
SWGC
286
Summit Wealth Group (Colorado)
Colorado
$312K
BFM
287
Boothbay Fund Management
New York
$311K
RIL
288
Rothschild Investment LLC
Illinois
$302K
Jones Financial Companies
289
Jones Financial Companies
Missouri
$302K
GCM
290
Graham Capital Management
Connecticut
$298K
William Blair & Company
291
William Blair & Company
Illinois
$294K
MC
292
Machina Capital
France
$287K
GC
293
Globeflex Capital
California
$287K
BPC
294
Banque Pictet & Cie
Switzerland
$287K
SRC
295
Sage Rhino Capital
California
$283K
GIM
296
Glenmede Investment Management
Pennsylvania
$276K
MA
297
MYDA Advisors
New York
$264K
TSS
298
Two Sigma Securities
New York
$256K
Truist Financial
299
Truist Financial
North Carolina
$249K
CCFM
300
Clear Creek Financial Management
Washington
$243K