SECURITIES AND EXCHANGE COMMISSIONWashington, D.C. 20549 FORM 10-Q(Mark One) ☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended June 30, 2026 or☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period fromtoCommission file number:001-37352Virtu Financial,Inc.(Exact name of registrant as specified in its charter) (212) 418-0100 (Registrant’s telephone number, including area code)Securities registered pursuant to Section 12(b) of the Act: Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15 (d) of the Securities Exchange Act of 1934during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filingrequirements for the past 90 days. Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 ofRegulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or anemerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company”in Rule 12b-2 of the Exchange Act. 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 newor revised financial accounting standards provided pursuant to Section 13(a) of the Securities Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☐No☒ ClassofStock PARTI -FINANCIAL INFORMATIONItem 1.Financial StatementsCondensed Consolidated Statements of Financial Condition (Unaudited)3Condensed Consolidated Statements of Comprehensive Income (Unaudited)5Condensed Consolidated Statements of Changes in Equity (Unaudited)6Condensed Consolidated Statements of Cash Flows (Unaudited)8Notes to Condensed Consolidated Financial Statements (Unaudited)10Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations49Item 3.Quantitative and Qualitative Disclosures About Market Risk80Item 4.Controls and Procedures82PARTII -OTHER INFORMATIONItem 1.Legal Proceedings83Item 1A.Risk Factors83Item 2.Unregistered Sales of Equity Securities and Use of Proceeds83Item 3.Defaults Upon Senior Securities84Item 4.Mine Safety Disclosures84Item 5.Other Information84Item 6.Exhibits85SIGNATURES86 PART I ITEM 1. FINANCIAL STATEMENTS Index to Condensed Consolidated Financial Statements Condensed Consolidated Statements of Financial Condition (Unaudited)3Condensed Consolidated Statements of Comprehensive Income (Unaudited)5Condensed Consolidated Statements of Changes in Equity (Unaudited)6Condensed Consolidated Statements of Cash Flows (Unaudited)8Notes to Condensed Consolidated Financial Statements (Unaudited)10 Virtu Financial, Inc. and SubsidiariesCondensed Consolidated Statements of Financial Condition (Unaudited) Virtu Financial Inc. Stockholders' equityClass A common stock (par value $0.00001), Authorized — 1,000,000,000 and 1,000,000,000 shares, Issued —144,181,332 and 140,877,669 shares, Outstanding — 88,223,594 and 84,919,931 shares at June 30, 2026 andDecember 31, 2025, respectively11Class B common stock (par value $0.00001), Authorized — 175,000,000 and 175,000,000 shares, Issued andOutstanding — 0 and 0 shares at June 30, 2026 and December 31, 2025, respectively——Class C common stock (par value $0.00001), Authorized — 90,000,000 and 90,000,000 shares, Issued andOutstanding — 6,807,809 and 7,970,185 shares at June 30, 2026 and December 31, 2025, respectively——Class D common stock (par value $0.00001), Authorized — 175,000,000 and 175,000,000 shares, Issued andOutstanding — 60,091,740 and 60,091,740 shares at June 30, 2026 and December 31, 2025, respectively11Treasury stock, at cost, 55,957,738 and 55,957,738 shares at June 30, 2026 and December 31, 2025, respectively(1,475,666)(1,475,666)Additional paid-in capital1,598,5991,541,684Retained earnings1,750,6611,519,270Accumulated other comprehensive income (loss)(5,836)(3,011)Total Virtu Financial Inc. stockholders' equity1,867,7601,582,279 Virtu Financial, Inc. and SubsidiariesCondensed Consolidated Statements of Financial Condition (Unaudited) Virtu Financial, Inc. and SubsidiariesCondensed Consolidated Statements of Cash Flows (Unaudited) Virtu Financial, Inc. and SubsidiariesCondensed Consolidated Statements of Cash Flows (Unaudited) (inthousands) Virtu Financial,Inc. and SubsidiariesNotes to the Condensed Consolidated Financial Statements (Unaudited)(do