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
Cap table — not yet on record

Quantinuum's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.

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  • ·2 fund marks: filer, period, implied $/share
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Frequently asked about Quantinuum

Where does Quantinuum's cap table come from?
Share classes are assembled from certificates of incorporation, priced-round filings, and disclosures across Quantinuum's 1 recorded funding rounds.