Quantinuum

Broomfield, CO · Founded 2021 · In IPO Registration

Operator of a technology company intended for developing, commercializing, and applying quantum computing. Quantinuum is based in Broomfield, CO and was founded in 2021. It is valued at about $10.8 billion as of Oct 2026, set by institutional fund marks. It has raised $1.2 billion across 1 recorded round; the latest was an $839 million later-stage round in Aug 2025.

PMV mark · valuation
$10.8B
Oct 2026
Priced at
its early-stage round
Nov 2025
Total raised
$1.2B
Last round
Later Stage VC
Aug 2025

Who backs Quantinuum?

22 investors
InvestorType
Korea Investment PartnersVenture capital
Nvidia—
QED InvestorsVenture capital
NVentures (Santa Clara)Venture capital
Mitsui & Co—
A VenturesVenture capital
Fidelity InternationalOther
2xN—
Adequita Capital—
Amgen—
+ 12 more investors · a free account shows the complete list
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Quantinuum investors

22 investors are on record for Quantinuum, including Korea Investment Partners, Nvidia, QED Investors and NVentures (Santa Clara). The later-stage round in Aug 2025 drew 50 investors.

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