TOKYO, JAPAN, April 09, 2026 -- Yaqumo Inc. , a startup developing scalable neutral-atom quantum computers, announced today that it has raised a Seed Extension Round from Quantonation II FPCI (“Quantonation”), the world’s largest venture capital fund dedicated to quantum technologies. This milestone marks Quantonation’s first-ever investment in a Japanese company.

With this funding, Yaqumo will accelerate its core R&D in neutral-atom quantum hardware, drive the commercialization of its technology, expand its team of world-class scientists and engineers, and forge strategic partnerships with enterprises and research institutions globally — solidifying its position as a key player in the quantum ecosystem.

About Quantonation

Quantonation is one of the world’s leading venture capital funds dedicated to quantum computing and quantum technologies. Since its founding in 2018, the firm has deployed over $350 million in assets under management, investing in more than 38 quantum deep-tech startups across 10 countries spanning the US, Europe, and Asia.

With a portfolio deliberately designed to catalyze a quantum industry of global scale, Quantonation has now selected Yaqumo as one of its portfolio companies.

Validating Japan’s Quantum Potential on the Global Stage

Quantonation’s decision to select Yaqumo as its first Japanese investment — following its extensive exploration of quantum startups worldwide — demonstrates that Yaqumo’s technological capabilities and potential are recognized at a world-class level. As the social implementation of quantum technology accelerates globally, Yaqumo is driving the development of a scalable, Japan-born quantum computer to contribute to the advancement of the global industry.

Overcoming Technical Bottlenecks with Cold Atom Technology

Yaqumo focuses on developing scalable quantum computers utilizing the cold atom (neutral atom) approach. Through hardware-software co-design, the company’s innovative architecture drives fast clock rates, making quantum error correction more effective and ultimately realizing practical fault-tolerant quantum computing.

Comment from Kazuhiro Nakashoji, CEO of Yaqumo:

“We are incredibly honored to be selected as the first Japanese investment by Quantonation, a top-tier global investor that has explored and funded quantum technology companies worldwide. We view this not only as a strong validation of Yaqumo’s technology and potential but also as proof that Japan’s quantum industry is commanding global attention. With this funding, we will further accelerate our technology development and business expansion to contribute to the advancement of quantum technology globally.”

Comment form Olivier Tonneau, Partner at Quantonation:

“Yaqumo’s team and vision are highly compelling from the perspective of making quantum technology practical. Having invested in quantum startups across the US, Europe, and beyond, Yaqumo stands out as one of the most promising quantum computing hardware companies, which is why we are proud to make them our first investment in Japan. We have strong confidence in Japan’s quantum science research foundation and Yaqumo’s business potential, and we are fully committed to supporting their growth.”