Diligence memo · auto-generated · as of July 2, 2026
Quantinuum
Quantinuum has raised $891M over 2 rounds; too few niche peers to rank its valuation yet.
Businessfiled
Quantinuum operates in Computers, based in Broomfield. Our trapped ion quantum computers and software solutions are the highest performing in the industry, enabling our users to solve industry's most complex problems.
Sub-sector tags: ai/ml.
Capital & rounds (filed)filed
Quantinuum has raised $891M in disclosed capital across 2 recorded rounds, aggregated from public filings. Its latest round is modeled as Growth/Late (a round over $400M).
Largest single filing: $839M on 2025-08-15.
Most recent recorded round closed around 2025-08-15.
Valuation (modeled)modeled
Provath models Quantinuum at approximately $9.4B (range $6.5B–$10.9B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Too few comparable companies in this niche to rank the valuation fairly yet.
Financing rhythm & timingmixed
Historic cadence: a new round about every 10 months.
Last raise 11 mo ago; this sector typically re-raises about every 12 months.
Raising on or ahead of the sector's normal rhythm.
The last round was 1.4× smaller than the prior — a bridge or down round.
Comparablesmixed
Capital scale ranks ahead of 100% of Computers peers (1371 compared).
Modeled value ranks above 100% of those peers.
Peoplefiled
16 named people on file across officers, directors and signatories.
Risks & flagsmixed
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.