Indicate by check mark whether the Registrant has submitted electronically every Interactive Data File required to besubmitted pursuant to Rule 405 of Regulation S-T(§232.405 of this chapter) during the preceding 12 months (or for such shorterperiod 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, asmaller reporting company, or an emerging 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 transitionperiod for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the ExchangeAct.☐ Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act):Yes☐No☒ As of April 29, 2026, there were 373,269,948 shares of common stock, par value $0.0001 per share, issued andoutstanding. IONQ, INC.QUARTERLY REPORT ON FORM 10-QTABLE OF CONTENTS PART 1-FINANCIAL INFORMATION1Item 1.Financial Statements1Condensed Consolidated Balance Sheets as of March 31, 2026 and December 31, 20251Condensed Consolidated Statements of Operations for the Three Months Ended March 31, 2026 and 20252Condensed Consolidated Statements of Comprehensive Income (Loss) for the Three Months Ended March 31,2026and 20253Condensed Consolidated Statements of Changes in Stockholders’ Equity for the Three Months Ended March 31, 2026and 20254Condensed Consolidated Statements of Cash Flows for the Three Months Ended March 31, 2026 and 20255Notes to Condensed Consolidated Financial Statements6Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations33Item 3.Quantitative and Qualitative Disclosures About Market Risk42Item 4.Controls and Procedures42PART II—OTHER INFORMATION43Item 1.Legal Proceedings43Item 1A.Risk Factors43Item 2.Unregistered Sales of Equity Securities and Use of Proceeds43Item 3.Defaults Upon Senior Securities43Item 4.Mine Safety Disclosures43Item 5.Other Information43Item 6.Exhibits44SIGNATURES CERTAIN TERMS USED IN THIS REPORT In this report, unless otherwise stated or the context otherwise indicates, the terms “IonQ, Inc.,” “the Company,” “we,” “us,” “our”and similar references refer collectively to “IonQ” and our subsidiaries, including majority-owned and wholly-owned subsidiaries, andour other registered and common law trade names, trademarks and service marks are property of IonQ, Inc. All other trademarks, tradenames and service marks appearing in this report are the property of their respective owners. Solely for convenience, the trademarks andtrade names in this report may be referred to without the ® and ™ symbols, but such references should not be construed as any indicatorthat their respective owners will not assert their rights thereto. WHERE YOU CAN FIND MORE INFORMATION Investors and others should note that we announce material financial information to our investors using our investor relationswebsite at investors.ionq.com, press releases, filings with the U.S. Securities and Exchange Commission (“SEC”) and public conferencecalls and webcasts. We also use IonQ’s blog and the following social media channels as a means of disclosing information about theCompany, our products and services, our planned financials and other announcements and attendance at upcoming investor and industryconferences, and other matters. This is in compliance with our disclosure obligations under Regulation FD: •IonQ Company Blog (https://ionq.com/blog);•IonQ LinkedIn Page (https://www.linkedin.com/company/ionq.co);•IonQ X (Twitter) Account (https://x.com/ionq_inc); and•IonQ YouTube Account (https://www.youtube.com/@ionq_inc). Information posted through these social media channels may be deemed material. Accordingly, in addition to reviewing our pressreleases, SEC filings, public conference calls and webcasts, investors should monitor IonQ’s blog and our other social media channels.The information we post through these channels is not part of this Quarterly Report on Form 10-Q. IonQ, Inc.Condensed Consolidated Balance Sheets(unaudited)(in thousands, except share and per share data) IonQ, Inc.Condensed Consolidated Statements of Operations(unaudited)(in thousands, except share and per share data) IonQ, Inc.Condensed Consolidated Statements of Comprehensive Income (Loss)(unaudited)(in thousands) IonQ, Inc.Condensed Consolidated Statements of Cash Flows(unaudited)(in thousands) IonQ, Inc.Notes to Condensed Consolidated Financial Statements(unaudited) 1. DESCRIPTION OF BUSINESS IonQ, Inc. (“IonQ” or the “Company”) is a quantum platform company delivering quantum solutions viaquantum computing, networking, sensing, and security to solve some of the w