Company intelligence

Quantinuum

Quantinuum builds trapped-ion quantum computers and quantum software, formed by merging Honeywell Quantum Solutions with Cambridge Quantum.

Quantum computingPublic · QNTCambridge, United Kingdom / Broomfield, Colorado, USAFounded 2021Founders: Ilyas KhanPublic companyWebsite ↗
Last verified Sep 4, 2026

Key Metrics

Market cap
$13.07B
As of Sep 4, 2026stockanalysis.com

Company Snapshot

Quantinuum is a Quantum computing company, based in Cambridge, United Kingdom / Broomfield, Colorado, USA, founded 2021 by Ilyas Khan. Market cap $13.07B (As of Sep 4, 2026, stockanalysis.com).

Recent changes

  1. Sep 4, 2026First reported market cap: $13.07B stockanalysis.com
  2. Jun 4, 2026First reported valuation: $17.6B (Nasdaq debut valuation) Wikipedia
Market cap
$0M$9.7B$19B2026-062026-09
Underlying values
As ofValueMethodSource
Sep 4, 2026$13.07BReportedstockanalysis.com
Jun 4, 2026$17.6B (Nasdaq debut valuation)ReportedWikipedia

Investors

Latest Pulse

  1. Q2 2026 Delivers the Most Billion-Dollar Startup Exits Since the 2021 PeakStartup exits worth $1 billion or more were more numerous in Q2 2026 than at any point since the 2021 market peak, according to Crunchbase data -- powered by SpaceX's record IPO (a $2.1 trillion first-day market cap on $75 billion raised), Cerebras's and Quantinuum's debuts, and SpaceX's $60 billion acquisition of Cursor. The quarter signals the long-frozen exit window has decisively reopened for late-stage tech.

Coverage Timeline

newest first
  1. IPOQ2 2026 Delivers the Most Billion-Dollar Startup Exits Since the 2021 Peak

All Coverage

Value Add Research

More on QuantinuumMoore's Law
Sources & methodologyshow
Where these figures come from

Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.

How we verify data · Suggest a correction