Company: IONQ
Filing Date: 2025-07-07
Form Type: 424B5
Source: 0001193125-25-155901
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Company: IonQ, Inc.
Filing Date: 2025-07-07
Form: 424B5
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Filed Pursuant to Rule 424(b)(5)
Registration No. 333-285279 PROSPECTUS SUPPLEMENT (To Prospectus dated February 26, 2025) 14,165,708 shares of common stock 36,042,530 warrants to purchase 36,042,530 shares of common stock 3,855,557 pre-funded warrants to purchase 3,855,557 shares of common stock and 39,898,087 shares of common stock issuable upon exercise of the warrants and the pre-fundedwarrants We are offering (i) 14,165,708 shares of our common stock, par value $0.0001 per share (“common stock”), at a price of $55.49 per share, (ii) 36,042,530 warrants to purchase 36,042,530 shares of our common stock on or prior to the date that is seven years after the date such warrants are issued (the “Series A Warrants”), (iii) 3,855,557 warrants which have been pre-funded to purchase 3,855,557 shares of our common stock on or prior to the date that is seven years after the date such warrants are issued (the “Pre-funded Warrants and, together with the Series A Warrants, the “Warrants”) and (iii) 39,898,087 shares of our common stock issuable upon the exercise of the Warrants. Each Series A Warrant is exercisable for one share of our common stock at an exercise price of $99.88 per share of common stock. Each Pre-funded Warrant is exercisable for one share of our common stock at an exercise price of $0.0001 per share of common stock. The purchase price for each Pre-Funded Warrant would equal the per share public offering price for the common stock in this offering less the $0.0001 per share exercise price of each such Pre-funded Warrant. The shares of our common stock, the Warrants, and the shares of common stock issuable upon the exercise of the Warrants are sometimes collectively referred to herein as the “securities.” See “Description of Capital Stock” on page 8 of the accompanying prospectus and “Description of Warrants” on page S-13of this prospectus supplement and page 20 of the accompanying prospectus for a more complete description of the securities offered hereby. Our common stock is listed on the New York Stock Exchange (the “NYSE”) under the symbol “IONQ