MarketAxess(MKTX) - 2021 Q2 - Quarterly Report

(Exact name of registrant as specified in its charter) Delaware 52-2230784 (State or other jurisdiction of incorporation or organization) FORM 10-Q (Mark One) ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-34091 MARKETAXESS HOLDINGS INC. UNITED STATES SECURITIES AND EX ...