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SCHEDULE 13D Filed 2026-04-01 Event 2026-03-19 SEC 0000950142-26-001035 →

IonQ, Inc. Horizon Quantum Holdings Ltd. HQWWW

Stake: 13.30% Shares: 4,230,118 CUSIP: Y4000A102 Class: Class A Ordinary Shares

Item 4 — Purpose of Transaction

The information set forth in Item 3 and Item 6 is incorporated by reference in its entirety into this Item 4. The Reporting Person acquired the reported securities for investment purposes. Subject to the terms of, including the rights and obligations contained in, the Subscription Agreement and the Side Letter, as further described in Item 6, the Reporting Person intends to review its investment in the Issuer on a continuing basis. Depending on various factors, including, without limitation, the Issuer's financial position and strategic direction, actions taken by the Board of Directors of the Issuer (the "Issuer Board"), current and anticipated future price levels of the Issuer's securities, the relative attractiveness of alternative business and investment opportunities and other general economic and market conditions, the Reporting Person may in the future take such actions with respect to its investment as it considers appropriate, which may include, without limitation: - communicating with the Issuer's management and the Issuer Board, including any member thereof and other securityholders of the Issuer and other relevant parties; - exercising the Reporting Person's right under the Side Letter to designate a member of the Issuer Board; - acquiring additional securities of the Issuer (which may include rights or securities exercisable or convertible into securities of the Issuer) or disposing of some or all such securities then owned by the Reporting Person from time to time, in each case, in the open market or in privately negotiated transactions; - proposing, considering or participating in a merger, reorganization, take-private transaction that could result in the de-listing or de-registration of the Class A Ordinary Shares or other extraordinary corporate transaction, including pursuant to the Reporting Person's right of first notification provided for in the Side Letter; - security offerings and/or stock repurchases by the Issuer; - sales or acquisitions of assets or businesses; - changes to the capitalization or dividend policy of the Issuer; - other material changes to the Issuer's business or corporate structure, including changes in management or the composition of the Issuer Board; or - monitoring the commercial arrangement between the Issuer and the Reporting Person. To facilitate its consideration of such matters, the Reporting Person may retain consultants and advisors and may enter into discussions with potential sources of capital and other third parties. The Reporting Person will likely take some or all of the foregoing steps at preliminary stages in its consideration of various possible courses of action before forming any intention to pursue any particular plan or direction. Except as described in this Schedule 13D, the Reporting Person does not have any present plans or proposals that relate to or would result in any of the actions described in Item 4 of Schedule 13D, although the Reporting Person, at any time and from time to time, may review, reconsider and change such position and/or change its purpose and/or develop such plans and may seek to influence management of the Issuer or the Issuer Board with respect to the business and affairs of the Issuer and may from time to time consider pursuing or proposing such matters with advisors, the Issuer or other persons.

Cross-References

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Short Interest · settle 2026-03-31
DTC 1.00
1,500 shares short · +100.0% vs prior

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