IonQ, Inc.

t

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

For the quarterly period ended September 30,2026

OR

For the transition period from_______to_______

Commission File No.001-39694

IONQ, INC.

(Exact name of registrant as specified in its charter)

4505 Campus Drive

College Park, MD 20740

(301)298-7997

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

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 1934 during 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 filing requirements 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 of Regulation 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 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 transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐

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 October 28, 2026, there were 432,462,651 shares of common stock, par value $0.0001 per share, issued and outstanding.

IONQ, INC.

QUARTERLY REPORT ON FORM 10-Q

TABLE OF CONTENTS

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, and our other registered and common law trade names, trademarks and service marks are the property of IonQ, Inc. All other trademarks, trade names and service marks appearing in this report are the property of their respective owners. Solely for convenience, the trademarks and trade names in this report may be referred to without the ® and ™ symbols, but such references should not be construed as any indicator that 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 relations website at investors.ionq.com, press releases including those on https://www.skywatertechnology.com/category/press-releases, filings with the U.S. Securities and Exchange Commission (“SEC”) and public conference calls and webcasts. We also use IonQ’s blog and the following social media channels as a means of disclosing information about the Company, our products and services, our planned financials and other announcements and attendance at upcoming investor and industry conferences, and other matters. This is in compliance with our disclosure obligations under Regulation FD:

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IonQ Company Blog (https://ionq.com/blog);

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IonQ LinkedIn Page (https://www.linkedin.com/company/ionq.co);

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IonQ X (Twitter) Account (https://x.com/ionq_inc); and

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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 press releases, 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.