Q.ANT
Greener, quieter and up to 30× more energy-efficient AI & HPC
Q.ANT was founded in 2018, is headquartered in Stuttgart, Germany, lists 51–200 employees, and has $68.4M in recorded funding across 1 round.
- Headquarters
- Stuttgart
- Employees
- 51–200
- Founded
- 2018
- Business Model
- B2B
- Website
- qant.com
- Total Funding
- $68.4M
- Last Round
- $68.4M Series AJul 2025
- Rounds
- 1
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 1 funding round and 7 investors for this company. The full record is or through the API.
About
Q.ANT is a deep-tech scale-up developing photonic processing solutions that compute natively with light, delivering a scalable and energy-efficient alternative to transistor-based systems. Founded in 2018 by Michael Förtsch and headquartered in Stuttgart, Germany, the company is a TRUMPF spin-off that operates its own pilot line for photonic chips based on Thin-Film Lithium Niobate (TFLN) in collaboration with the Institute for Microelectronics Stuttgart (IMS CHIPS). Its photonic co-processors are optimized for AI and high-performance computing workloads, achieving up to 30× greater energy efficiency versus conventional silicon chips. In July 2025, Q.ANT raised €62 million in Europe's largest Series A for photonic computing.
Summary
Q.ANT is an Artificial Intelligence company based in Stuttgart, Germany, founded in 2018. It lists 51–200 employees. It has raised $68.4M in total across 1 round, most recently a $68.4M Series A round in Jul 2025. Investors include Cherry Ventures, UVC Partners and IMEC XPand.
Tech & App Stack
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Funding History
Jul 2025
Investors
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