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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
HKAM
276
Horizon Kinetics Asset Management
New York
$340K
NPF
277
Norris Perne & French
Michigan
$337K
KIA
278
Knollwood Investment Advisory
Maryland
$337K
URS
279
Utah Retirement Systems
Utah
$336K
X
280
Xponance
Pennsylvania
$328K
MAS
281
Meeder Advisory Services
Ohio
$327K
BFA
282
Benedict Financial Advisors
Georgia
$326K
XSC
283
X-Square Capital
Puerto Rico
$326K
SC
284
SummitTX Capital
Texas
$319K
SWGC
285
Summit Wealth Group (Colorado)
Colorado
$312K
BFM
286
Boothbay Fund Management
New York
$311K
RIL
287
Rothschild Investment LLC
Illinois
$302K
Jones Financial Companies
288
Jones Financial Companies
Missouri
$302K
GCM
289
Graham Capital Management
Connecticut
$298K
William Blair & Company
290
William Blair & Company
Illinois
$294K
MC
291
Machina Capital
France
$287K
GC
292
Globeflex Capital
California
$287K
BPC
293
Banque Pictet & Cie
Switzerland
$287K
SRC
294
Sage Rhino Capital
California
$283K
GIM
295
Glenmede Investment Management
Pennsylvania
$276K
MA
296
MYDA Advisors
New York
$264K
TSS
297
Two Sigma Securities
New York
$256K
Truist Financial
298
Truist Financial
North Carolina
$249K
CCFM
299
Clear Creek Financial Management
Washington
$243K
OAC
300
OMERS Administration Corp
Ontario, Canada
$242K