Company: IONQ
Filing Date: 2025-10-17
Form Type: 424B7
Source: 0000950142-25-002828
Chunk: 15

Company: IonQ, Inc.
Filing Date: 2025-10-17
Form: 424B7
Chunk 15
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 are related to such information), until the offering of the securities under the registration statement of which
this prospectus supplement forms a part is terminated or completed:

We will furnish without charge to each person
to whom this prospectus supplement is delivered, upon written or oral request, a copy of any or all of the documents incorporated by
reference, including exhibits to these documents. You can request a copy of these filings by writing or telephoning us at the following
address or telephone number:

<div align='center'>IonQ, Inc.
4505 Campus Drive
College Park, MD 20740
Attn: Investor Relations
(301) 298-7997</div>

You may also access these documents on our website
at https://ionq.com. The information accessible through any website referred to in this prospectus supplement or any document incorporated
herein is not, and should not be deemed to be, a part of this prospectus supplement.

You should rely only on information contained
in, or incorporated by reference into, this prospectus supplement and accompanying prospectus. We have not authorized anyone to provide
you with information different from that contained in this prospectus supplement or incorporated by reference in this prospectus supplement.
We are not making offers to sell the securities in any jurisdiction in which such an offer or solicitation is not authorized or in which
the person making such offer or solicitation is not qualified to do so or to anyone to whom it is unlawful to make such offer or solicitation.

| S-14 |

PROSPECTUS

<div align='center'>IonQ, Inc.

Common Stock

Preferred Stock

Debt Securities

Depositary Shares

Warrants

Subscription Rights

Purchase Contracts

Units</div>

We may issue securities from time to time in one or more offerings, in amounts, at prices and on terms determined at the time of offering. This prospectus describes the general terms of these securities and the general manner in which these securities will be offered. We will provide the specific terms of these securities in supplements to this prospectus, which will also describe the specific manner in which these securities will be offered and may also supplement, update or amend information contained in this prospectus. You should read this prospectus and any applicable prospectus supplement before you invest.

In addition, the selling stockholders to be named in a supplement to this prospectus may from time to time offer or sell shares of our common stock. To the extent that any selling stockholders resell any securities, the selling