The U.S. and China outpace other countries in funding quantum. Private venture capital investment in U.S. quantum companies totalled about US$5.8 billion from 2020 to 2026, according to PitchBook. On the public side, the U.S. government had funnelled more than US$4 billion to the sector as of 2024, according to estimates in a McKinsey & Co. report that year.







