Ground State Ventures is an Amsterdam quantum technology investor founded in 2022 as QDNL Participations, the investment vehicle attached to the Dutch national programme Quantum Delta NL. It invests at pre-seed and seed in quantum computing, sensing, communications and supporting infrastructure, and has been the first institutional investor in every company it has backed. It rebranded in 2026 on closing a fund of more than EUR 75 million, and invests in the Netherlands, the rest of Europe and the United States.