# Quantinuum

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/quantinuum

- Industry: Software
- Headquarters: Broomfield, US
- Website: www.quantinuum.com
- Total disclosed funding: $746M
- Latest round: Grant (Nov 3, 2026)
- Investors on record: 10

## About

Based in Colorado, US, and founded in 2021, Quantinuum Ltd. operates as a software company providing quantum computing applications intended for use in the life sciences, biotech, manufacturing, energy, automotive, finance, chemicals, and defense industries. In August 2025, Quantinuum Ltd. raised USD 593 million in venture funding from new investors Quanta Computer, Nventures, QED Investors, Korea Investment Partners, and Meshh, Mitsui & Co., with participation from returning investors Amgen Ventures, Honeywell Ventures, JPMorgan Chase, and Serendipity Capital. As of 2025 The company is headed by CEO Dr. Rajeeb Hazra.

Quantinuum Ltd. provides a variety of services such as cybersecurity, computational chemistry, and hardware with a wide range of products and services such as the H-Series quantum computers, utilizes trapped-ion technology to improve operations, Quantum Origin, InQuanto, and many more for fields such as drug discovery, materials science, and cybersecurity. The company provides advanced software platforms like TKET for quantum software development and InQuanto for quantum computational chemistry with improving data encryption, addressing critical cybersecurity needs. The company plans to use the August 2025 funding to develop its quantum system and advance fault-tolerant computing. Quantinuum Ltd. generates revenue through quantum computing hardware, software, and AI solutions.

## Funding rounds

- Grant, Nov 3, 2026, $100M
- Series B, Aug 15, 2025, $594M — Quanta Computer, Amgen Ventures, JP Morgan Asset Management, QED Investors, Korea Investment Partners, Mitsui & Co., Honeywell Ventures, Nventures, Serendipity Capital, Meshh
- Series A, Dec 20, 2023, $52M — Amgen Ventures, JP Morgan Asset Management, Mitsui & Co., Honeywell Ventures

## Investors

- Amgen Ventures (https://capitalatlas.ai/funds/amgen-ventures) — Series A, Series B
- JP Morgan Asset Management (https://capitalatlas.ai/funds/jp-morgan-asset-management) — Series A, Series B
- Mitsui & Co. — Series A, Series B
- Honeywell Ventures (https://capitalatlas.ai/funds/honeywell-ventures) — Series A, Series B
- Quanta Computer — Series B
- QED Investors (https://capitalatlas.ai/funds/qed-investors) — Series B
- Korea Investment Partners (https://capitalatlas.ai/funds/korea-investment-partners) — Series B
- Nventures — Series B
- Serendipity Capital (https://capitalatlas.ai/funds/serendipity-capital) — Series B
- Meshh — Series B