"How could a quantum computer company be public?" Huang said.
The event included panels with representatives from 12 quantum companies and startups. It represents a truce of sorts between Nvidia, which makes more traditional computers, and the quantum computing industry. Several quantum execs fired back at Nvidia after Huang's earlier comments.
A third panel included representatives from Microsoft and Amazon Web Services, which are also investing in quantum technology and are among Nvidia's most important customers.