SEC Form 3 · accession 0001628280-26-040989
Quantinuum Inc. · QNT
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owners
Ilyas Khan
10% Owner
CQ Invest I LLC
10% Owner
Waseem Shiraz
10% Owner
Cambridge Quantum Holdings Ltd
10% Owner
Period of report
Jun 4, 2026
Accepted (ET)
Jun 4, 2026 · 7:18 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0002110105
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Class B Common StockF1,F2,F3 | holding | — | — | — | 82,884,823 | I | See Footnotes | |
| Class A Common StockF4 | holding | — | — | — | 480,511 | D | ||
| Class A Common StockF5 | holding | — | — | — | 27,001 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Common UnitsF1,F2,F3 | — | holding | — | — | — | — | — | Class A Common Stock | 82,884,823 | — | I |
Explanation of responses
- F1Includes (i) 531,720 Common Units and a corresponding number of shares of Class B common stock held directly by CQ Invest I LLC and (ii) 82,353,103 Common Units and a corresponding number of shares of Class B common stock held directly by Cambridge Quantum Holdings Limited. Cambridge Quantum Holdings Limited is the administrative manager of CQ Invest I LLC, and has the right to manage, control and conduct the affairs and operations of CQ Invest I LLC. Cambridge Quantum Holdings Limited is managed by a board of directors, which is composed of Ilyas Khan and Waseem Shiraz, who have the power to vote or direct the vote of, and power to dispose or to direct the disposition of, the shares and units held by CQ Invest I LLC. Mr. Khan, including entities controlled by him, is the controlling shareholder of Cambridge Quantum Holdings Limited.
- F2Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.
- F3Each common unit of Quantinuum Holdings, LLC ("Common Unit") may be redeemed or exchanged for one share of Class A common stock of the Issuer (or, at the Issuer's election, cash). Common Units have no expiration date. Upon the redemption or exchange of Common Units, a number of shares of Class B common stock equal to the number of Common Units that are redeemed or exchanged will automatically be cancelled for no consideration.
- F4The reported securities are directly owned by Ilyas Khan in his personal capacity and the other Reporting Persons have no pecuniary interest in these securities. Includes 179,028 restricted shares units ("RSUs"), which will vest according to the terms of the award agreement. Each RSU represents a contingent right to receive one share of Class A common stock.
- F5The reported securities are directly owned by Waseem Shiraz in his personal capacity and the other Reporting Persons have no pecuniary interest in these securities. Includes 10,426 RSUs, which will vest according to the terms of the award agreement. Each RSU represents a contingent right to receive one share of Class A common stock.
Remarks
Exhibit 24 - Power of Attorney