Company: IONQ
Filing Date: 2025-10-17
Form Type: 424B7
Source: 0000950142-25-002828
Chunk: 9

Company: IonQ, Inc.
Filing Date: 2025-10-17
Form: 424B7
Chunk 9
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 S-7 |

<div align='center'>SELLING STOCKHOLDERS</div>

This prospectus supplement relates to the resale
by the selling stockholders referenced in this prospectus supplement of up to 6,649,263 shares of our common stock. This prospectus supplement
covers the sale or other disposition by the selling stockholders of up to the total number of shares of our common stock issued to the
selling stockholders. The table below sets forth, to our knowledge, information concerning the beneficial ownership of our common stock
by the selling stockholders as of October 14, 2025. The information in the table below with respect to the selling stockholders has been
obtained from the selling stockholders. When we refer to the “selling stockholders” in this prospectus supplement, we mean
the selling stockholders listed in the table below as offering shares, as well as their permitted assignees and successors-in-interest.
Throughout this prospectus supplement, when we refer to the shares of our common stock being registered on behalf of the selling stockholders,
we are referring to the shares of our common stock issued. The selling stockholders may sell all, some or none of the shares of our common
stock subject to this prospectus supplement. See “Plan of Distribution.”

The number of shares of our common stock beneficially
owned prior to the offering for each selling stockholder includes all common stock beneficially owned by such selling stockholder as of
October 14, 2025. The percentages of shares owned before the offering are based on 347,428,070
shares of our common stock outstanding as of October 14, 2025.

Beneficial ownership is determined in accordance
with the rules of the SEC, which generally provide that a person has beneficial ownership of a security if such person possesses sole
or shared voting or investment power over that security or the right to acquire such power within 60 days. Unless otherwise indicated
below, to our knowledge, each selling stockholder named in the table has sole voting and investment power with respect to the shares
of our common stock beneficially owned by it, except to the extent authority is shared by spouses under applicable law. The inclusion
of any shares in this table does not constitute an admission of beneficial ownership for any selling stockholder named below.

|                                         |     | Ownership Before Offering(1) |     |            |     | Maximum Shares |     | Ownership After Offering(2) |     |            |
| Name of Selling Stock