Sec Form 3 Filing - GV 2019 GP, L.L.C. @ IonQ, Inc. - 2021-09-30

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person GV 2019 GP, L.L.C. 2. Issuer Name and Ticker or Trading Symbol IonQ, Inc. [ IONQ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 1600 AMPHITHEATRE PARKWAY 3. Date of Earliest Transaction (MM/DD/YY) 09/30/2021 (Street) MOUNTAIN VIEW, CA94043 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 4,556,532 ( 1 ) I By GV 2019 L.P. ( 2 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other GV 2019 GP, L.L.C. 1600 AMPHITHEATRE PARKWAY MOUNTAIN VIEW , CA94043 X GV 2019 GP, L.P. 1600 AMPHITHEATRE PARKWAY MOUNTAIN VIEW, CA94043 X GV 2019, L.P. 1600 AMPHITHEATRE PARKWAY MOUNTAIN VIEW, CA94043 X Signatures /s/ Inga Goldbard, General Counsel 10/04/2021 Signature of Reporting Person Date /s/ Inga Goldbard, General Counsel 10/04/2021 Signature of Reporting Person Date /s/ Inga Goldbard, General Counsel 10/04/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes 4,356,532 shares of common stock received on September 30, 2021 pursuant to that certain Agreement and Plan of Merger, dated as of March 7, 2021, by and among dMY Technology Group, Inc. III, a Delaware corporation ("dMY"), Ion Trap Acquisition Inc., a Delaware corporation and a wholly-owned subsidiary of dMY, and IonQ, Inc., a Delaware corporation ("Former IonQ"), in exchange for Former IonQ shares. Also includes 200,000 shares of common stock acquired from dMY in a private placement. ( 2 )The reported securities are held directly by GV 2019, L.P. GV 2019 GP, L.P. (the general partner of GV 2019, L.P.), GV 2019 GP, L.L.C. (the general partner of GV 2019 GP, L.P.), Alphabet Holdings LLC (the sole member of GV 2019 GP, L.L.C.), XXVI Holdings Inc. (the sole member of Alphabet Holdings LLC), and Alphabet Inc. (the controlling stockholder of XXVI Holdings Inc.) may each be deemed to have sole power to vote or dispose of these shares. Each of GV 2019 GP, L.P., GV 2019 GP, L.L.C., Alphabet Holdings LLC, XXVI Holdings Inc., and Alphabet Inc. disclaim beneficial ownership of the shares except to the extent of any pecuniary interest therein.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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