United States · Investor

IonQ

Last cheque observed Oct 2025. Silence since then is not evidence of inactivity: our sources miss unannounced rounds.

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Growth equityQuiet

Series C

Cheques on record
0%of best year0cheques in 12 months, 1 on record
Since the last cheque399days00hrs00min00sec
Median round$100MRounds led1 of 1
Pitch IonQ

IonQ highlights

  1. 01

    1 rounds on record

  2. 02

    Mostly Series C: 100% of its rounds

  3. 03

    Led 1 rounds

What they do

Type
Growth equity (from a list, unverified)
Cheque size
Not stated
Based in
College Park, United States
Cold pitches
Not stated

The record

Every round we can evidence, newest first1 appearances

  1. 2025

    1 round

  2. Oct
    EinrideSeries C · SE · Silicon Canals$100MLed

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

The team

We hold 1 person at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

Recently backed

The latest companies IonQ put money into.

Einride$100M · Oct 2025

Quick answers about IonQ

What does IonQ invest in?

IonQ invests most often at Series C (100% of the rounds on record).

How active is IonQ?

1 investments on record, 0 of them in the last 12 months, and it led 1. The most recent was in Oct 2025.

What has IonQ invested in recently?

Its most recent investments on record: Einride (Series C, Oct 2025).

How big are IonQ's cheques?

The median round it joins is $100M.

Is IonQ investing now?

No investments in the last 12 months; the latest was in Oct 2025.

What kind of investor is IonQ?

IonQ is a growth equity firm based in College Park, United States.

When was IonQ founded?

IonQ was founded in 2015.

Where does this information on IonQ come from?

From 3 articles and filings naming it in a round, public registers and its own website, checked and rebuilt every night.

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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it