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ATOM COMPUTING
Atom Computing
Quantum Computing · Berkeley, California · United States · Founded · 2018 · ≈ · 144 · employees

Atom Computing Funding History: Rounds, Investors & Valuation

Private

Atom Computing has raised $580M across 6 funding rounds.

ProfileValuationFundingCompetitorsStock & IPOHow to invest
Atom Computing funding · at a glance
Total raised, all rounds
$580M
sum of disclosed sizes
Funding rounds
6
priced rounds
Latest round
Jun 2026
Jun 2026
Lead on that event
Third Point Ventures
lead investor
2026
About Atom Computing

Atom Computing has raised funding in stages: $5 million in seed, $15 million in a 2021 Series A, $60 million in a 2022 Series B, and a $100 million Series C led by Third Point Ventures, followed by a round that brought total funding past $300 million.

Funding timeline

The Atom Computing funding timeline

6 funding rounds, the latest highlighted.

2018
Atom Computing founded

Atom Computing was founded in 2018, United States.

JAN 2018
Seed

A primary round — the company sells new shares to investors it selects. $5M raised.

Valuation basisAmount$5MPrice / shareLead
JAN 2021
Series A

A primary round — the company sells new shares to investors it selects. $15M raised, led by Venrock, Innovation Endeavors.

Valuation basisAmount$15MPrice / shareLeadVenrock, Innovation Endeavors
JAN 2022
Series B

A primary round — the company sells new shares to investors it selects. $60M raised.

Valuation basisAmount$60MPrice / shareLead
JUN 2026
Series C

DCVC and Cisco Investments participated. $100M raised, led by Third Point Ventures.

Valuation basisAmount$100MPrice / shareLeadThird Point Ventures
JUN 2026
U.S. Government Funding

Signed Letter of Intent for quantum computing development. $100M raised, led by U.S. Department of Commerce.

Valuation basisAmount$100MPrice / shareLeadU.S. Department of Commerce
IPO: NOT ANNOUNCED

No filing has been made.

Funding rounds

Atom Computing funding rounds in full

6 dated rounds, newest first.

Round
Date
Amount
Valuation
Price / share
Lead investors
Participation
Series C + Commerce Dept LOI LATEST
Jun 2026
$300M
—
—
Third Point Ventures, US Dept of Commerce
—
U.S. Government Funding
Jun 2026
$100M
—
—
U.S. Department of Commerce
Signed Letter of Intent for quantum computing development
Series C
Jun 2026
$100M
—
—
Third Point Ventures
DCVC and Cisco Investments participated
Series B
Jan 2022
$60M
—
—
—
—
Series A
Jan 2021
$15M
—
—
Venrock, Innovation Endeavors
—
Seed
Jan 2018
$5M
—
—
—
—
Atom Computing · investors

Investors

Third Point VenturesLEADUUS Dept of CommerceLEADUU.S. Department of CommerceLEADVenrockLEADIInnovation EndeavorsLEADDCVCCCisco Investments

Frequently asked questions

How can I get exposure to Atom Computing?›

The routes section explains what is realistically available for a company at this stage.

Is Atom Computing publicly traded?›

No. Atom Computing is a private company; its shares do not trade on a public exchange.

Who has invested in Atom Computing?›

Lead investors for each round are in the funding timeline.

Who are Atom Computing's competitors?›

The closest quantum computing peers are on the competitors page.

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