# Quantinuum funding rounds and investors

As of 14 Oct 2026, Quantinuum has raised $600M across 1 verified round on record; latest: $600 million funding round, announced 4 Sep 2025.

Quantinuum sells quantum computing products and solutions to businesses and developers for advanced computing applications.

Website: https://quantinuum.com  
Page: https://fireround.dev/companies/quantinuum.com

## Verified rounds

| Announced | Round | Amount | Lead investors | Other investors | Sources |
| --- | --- | --- | --- | --- | --- |
| 2025-09-04 | Funding round | $600 million | not stated | Amgen Ventures, Cambridge Quantum Holdings, Honeywell, JPMorganChase, Korea Investment Partners, MESH, Mitsui & Co, NVentures, QED Investors, Quanta Computer, Serendipity Capital | [prnewswire.com](https://www.prnewswire.com/news-releases/honeywell-announces-600-million-capital-raise-for-quantinuum-at-10b-pre-money-equity-valuation-to-advance-quantum-computing-at-scale-302545889.html) |

Source: Fireround (https://fireround.dev), an open-source funding feed. Each round is checked against the pages listed with it.