Every 424B that IonQ, Inc. (IONQ) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 424B covers the supplement that carries the terms of a priced offering, so if you follow IONQ and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full IONQ filings page.
IonQ, Inc. is offering 20,500,000 common shares, 100,000,000 Series C Warrants and 29,500,000 Pre-funded Warrants, plus 129,500,000 common shares issuable upon exercise. The aggregate public offering price is $1,999,997,050.00; estimated net proceeds are approximately $1,988.5 million after underwriting discounts and estimated expenses. Proceeds are intended for working capital and general corporate purposes, including possible strategic acquisitions and partnerships.
Each common share is offered with two Series C Warrants for $40.00 combined; each Pre-funded Warrant with two Series C Warrants is $39.9999 combined. Exercise prices are $69.46 per Series C Warrant share and $0.0001 per Pre-funded Warrant share. Purchasers of common stock face immediate dilution of $34.52 per share. For the six months ended June 30, 2026, operating losses were $608.8 million, versus $236.3 million for the six months ended June 30, 2025. IonQ has not concluded that two material weaknesses in internal control over financial reporting assumed in the SkyWater acquisition are remediated. IonQ does not plan to list the Warrants on an exchange.
IonQ, Inc. is offering 20,500,000 common shares, 100,000,000 Series C Warrants, 29,500,000 Pre-funded Warrants and 129,500,000 common shares issuable upon exercise. Each common share or Pre-funded Warrant is paired with two Series C Warrants for a combined $40.00; each Pre-funded Warrant also has a $0.0001 exercise price remaining unpaid at issuance.
Estimated net proceeds are $1,988.5 million after underwriting discounts and estimated expenses, excluding warrant-exercise proceeds. IonQ intends to use the proceeds for working capital and general corporate purposes, including possible acquisitions and partnerships. Series C Warrants carry a $69.46 exercise price and expire October 16, 2033; purchasers face stated immediate dilution of $34.52 per share. IonQ reported operating losses of $608.8 million for the six months ended June 30, 2026, versus $236.3 million in 2025, and is remediating two material weaknesses assumed with its completed SkyWater acquisition. IonQ also entered into an agreement to acquire Elisity, subject to customary closing conditions including regulatory approvals, for $1.15 billion in stock subject to adjustments, with up to $150 million additional stock consideration if certain revenue milestones are achieved through January 31, 2028. IonQ does not intend to list the Warrants on an exchange.
IonQ to acquire SkyWater for $15.00 cash plus IonQ stock per share. Under the Merger Agreement dated January 25, 2026, SkyWater will merge into IonQ subsidiaries in a two-step transaction. Each SkyWater share will receive $15.00 in cash plus IonQ common stock determined by an exchange ratio tied to IonQ’s 20-day VWAP (Exchange Ratio: 0.5265 if VWAP ≤ $37.99, 0.3326 if VWAP ≥ $60.13, otherwise $20 divided by the IonQ Trading Price). The SkyWater Board unanimously recommends approval and SkyWater will hold a virtual special meeting on May 8, 2026 (record date: March 26, 2026). Completion is subject to stockholder approval, HSR clearance, NYSE listing of issued IonQ shares and effectiveness of the Form S-4 registration statement.
IonQ, Inc. files a prospectus supplement to register up to 2,562,642 shares of its common stock for resale by a selling stockholder. The prospectus supplement states the company will not receive any proceeds from sales by the selling stockholder and that sales may occur on exchanges, OTC, privately, or by other permitted methods.
Shares outstanding were 366,640,756 as of February 18, 2026. The selling stockholder identified is The Chancellor, Masters, and Scholars of the University of Cambridge, which may sell any, all or none of the registered shares.
IonQ, Inc. filed a supplement to its prospectus supplement to correct the Calculation of Registration Fee table by adding 280,958 shares of common stock to the Amount Registered. The supplement states this amendment only corrects the fee table and that no other changes were made to the prospectus supplement or accompanying prospectus.
IonQ, Inc. registers for resale up to 5,127,459 shares of its common stock by selling stockholders, with the company receiving no proceeds from sales under this prospectus supplement dated February 27, 2026. The resale may occur on the NYSE, over-the-counter markets, in privately negotiated transactions or by other permitted methods, at fixed, prevailing or negotiated prices.
Context: shares outstanding were 366,640,756 as of February 18, 2026, and the last reported NYSE sale price was $31.62 on February 24, 2026. The selling stockholders include named holders with per-holder amounts such as Marlu R. Oswald: 1,160,150 and Southern Skies, LLC: 844,348, and other holders collectively covering the remaining registered shares.