United States · Funded startup

Who invested in IonQ

4 rounds we have observed, with the 9 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

DeeptechIndustry 4.0IT Services

Raised 7 months ago

Funding summaryUpdated 26 Oct 2026

$2.1Braised across 4 rounds since 2017, from 4 sources

$20MSeries B$55MRound$2.0BRound$20MGrant
Latest round
Grant, $20MApr 2026
Biggest round
$2.0BRound · Oct 2025
Investors
9
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

20172019202120232025
$20MSeries B$55MRound$2.0BRound$20MGrant
First round
Series B, $20M
Jul 2017
Biggest round
$2.0B
Round · Oct 2025
Usual gap between rounds
2.3 years
the median of 3

The rounds

  1. Apr 2026
    Grant$20M2 new2 returning

    Source recorded

  2. Oct 2025
  3. Oct 2019
    Round$55M2 new

    Reported by Uk

  4. Jul 2017
    Series B$20M2 new

    Reported by FinSMEsSEC filing: $2.0M sold, first sale Jul 2016

Founders and team

From IonQ's own website and the SEC filings it signed: 13 on the team.

  • Jordan ShapiroPresident & General Manager, Quantum Platform
  • Marco PistoiaCEO, IonQ Italy
  • Niccolo de MasiChairman & CEO
  • Thomas SondermanCEO, SkyWater Technology
  • Dean AcostaChief Corporate Affairs and Government Relations Officer
  • Gabrielle ToledanoChief Operating Officer, Keystone Strategy
  • Inder M. SinghChief Operating Officer & Chief Financial Officer
  • Kate KempChief People Officer
  • Scott MillardChief Business Officer
  • Jim FrankolaIndependent Board Member
  • Robert CardilloExecutive Chairman, IonQ Federal
  • David MoehringExecutive Officer, Directori
  • Jungsang KimExecutive Officer, Directori

On the board, as filediAndrew SchoenBlake ByersJeong KimRon BernalStewart Allen

AdvisersChristopher Monroe

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Everyone who backed them

Lockheed MartinCorporate VC2rounds
Bosch VenturesCorporate VC2rounds
Google VenturesCorporate VC1round
FidelityVC firm1round
Breakthrough EnergyVC firm1round
ACME CapitalVC firm1round
Samsung ElectronicsGrowth equity1round
United Arab Emiratesno record of our own yet1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 6 firms list IonQ as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

BlueYard CapitalVC firmPer its own site
WorldQuant Ventures LLCVC firmPer its own site
Cambium CapitalVC firmPer its own site
Blake ByersAngelPer its own site
Kluz VenturesVC firmPer its own site
Cambium Capital ManagementVC firmPer its own site

Quick answers about IonQ

Who invested in IonQ?

IonQ's investors include New Enterprise Associates, Lockheed Martin, Bosch Ventures, Google Ventures and Fidelity, and 4 more on record.

How much has IonQ raised?

IonQ has raised $2.1B across 4 rounds since 2017.

When did IonQ last raise?

IonQ's most recent round was a Grant of $20M in Apr 2026.

What was IonQ's biggest round?

IonQ's largest round on record is $2.0B (Undisclosed round), in Oct 2025.

Who backed IonQ first?

IonQ's first round on record, in Jul 2017, was backed by New Enterprise Associates and Google Ventures.

What stage is IonQ at?

IonQ's latest named round is a Grant, in Apr 2026.

Where is IonQ based?

IonQ is based in the United States.

Companies like IonQ

In the same sector, and raised in the last eighteen months.

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