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MARKETAXESS HOLDINGS INC

For the period ended Dec 31, 2025. Filed Feb 24, 2026.

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About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 24, 2026

MKTX$165.67+0.0%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Item 16. Form 10-K Summary

None.

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

MARKETAXESS HOLDINGS INC.
By:/s/ CHRISTOPHER R. CONCANNON
Christopher R. Concannon
Chief Executive Officer
Date:February 24, 2026
By:/s/ ILENE FISZEL BIELER
Ilene Fiszel Bieler
Chief Financial Officer
Date:February 24, 2026

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed by the following persons on behalf of the registrant and in the capacities and on the dates indicated:

SignatureTitle(s)Date
/s/ CHRISTOPHER R. CONCANNON Christopher R. ConcannonDirector, Chief Executive Officer (principal executive officer)February 24, 2026
/s/ ILENE FISZEL BIELER Ilene Fiszel BielerChief Financial Officer (principal financial officer)February 24, 2026
/s/ NITIN MIRWANI Nitin MirwaniChief Accounting Officer (principal accounting officer)February 24, 2026
/s/ CARLOS M. HERNANDEZ Carlos M. HernandezChairman of the Board of DirectorsFebruary 24, 2026
/s/ NANCY ALTOBELLO Nancy AltobelloDirectorFebruary 24, 2026
/s/ STEVEN L. BEGLEITER Steven L. BegleiterDirectorFebruary 24, 2026
/s/ STEPHEN P. CASPER Stephen P. CasperDirectorFebruary 24, 2026
/s/ JANE CHWICK Jane ChwickDirectorFebruary 24, 2026
/s/ WILLIAM CRUGER William CrugerDirectorFebruary 24, 2026
/s/ ROBERTO HOORNWEG Roberto HoornwegDirectorFebruary 24, 2026
/s/ KOURTNEY GIBSON Kourtney GibsonDirectorFebruary 24, 2026
/s/ RICHARD G. KETCHUM Richard G. KetchumDirectorFebruary 24, 2026
/s/ EMILY PORTNEY Emily PortneyDirectorFebruary 24, 2026
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.