Quantum Frontier Substack · Anastasia Marchenkova @amarchenkova · April 2026

Every Superconducting Quantum Company in the World, 2026

45 companies and government entities across 18 countries. Hover any node for full detail. Cluster, filter, and resize by any dimension.
45
Companies
18
Countries
14
US entities
10
China entities
2
Acquired
2
Defunct
~70%
Use transmon
Cluster
Size
Filter
Founded
⊘ Faded dashed = acquired or defunct  ·  Source: Quantum Frontier research, April 2026