UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): ~~November~~December 0709, 2025

MARKETAXESS HOLDINGS INC.

(Exact name of Registrant as Specified in Its Charter)


Delaware	001-34091	52-2230784
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

55 Hudson Yards 15th Floor
New York, New York		10001
(Address of Principal Executive Offices)		(Zip Code)

     Registrant’s Telephone Number, Including Area Code: (212) 813-6000

    

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $0.003 par value	MKTX	Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 27.0201 ResultsRegulation ofFD Operations and Financial ConditionDisclosure.

On ~~November~~December 79, 2025, MarketAxess Holdings Inc. (the “Company”) issued a press release announcing the Company’'s medium-term financial ~~results~~targets, ~~for~~an increase in its ~~third~~share ~~quarter~~repurchase ~~ended~~authorization ~~September~~and ~~30,~~its ~~2025~~intention to enter into an accelerated stock repurchase. A copy of this press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

The information included in this Current Report on Form 8-K (including Exhibit 99.1 hereto) that is furnished pursuant to this Item 27.0201 shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. In addition, the information included in this Current Report on Form 8-K (including Exhibit 99.1 hereto) that is furnished pursuant to this Item 27.0201 shall not be incorporated by reference into any filing of the Registrant, whether made before or after the date hereof, regardless of any general incorporation language in such filing, unless expressly incorporated by specific reference into such filing.

Item 8.01 Other Events.

On November 7, 2025, the Company also announced that its Board of Directors has declared a regular quarterly dividend to be paid to the holders of the outstanding shares of capital stock. A cash dividend of $0.76 per share of common stock outstanding will be paid on December 3, 2025 to stockholders of record as of the close of business on November 19, 2025.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits:

	99.1			Press Release issued by MarketAxess Holdings Inc. on ~~November~~December 79, 2025.
	104			Cover Page Interactive File (the cover page tags are embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

			MARKETAXESS HOLDINGS INC.
Date:	~~November~~December 79, 2025	By:	/s/ Ilene Fiszel Bieler
			Name: Ilene Fiszel BielerTitle: Chief Financial Officer

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