- In its preliminary annual 2023 Russell indexes reconstitution, a total of 164 companies will be added and 319 deleted from the Russell microcap index. Following notable industrial companies will be added and deleted from Russell microcap index.
- Notable additions: Proterra Inc (PTRA), Microvast Holdings Inc (MVST), Tusimple Holdings (TSP), Tingo Group Inc (TIO), Encore Energy System (EU)
- Notable deletions: Energous Corp (WATT), Teekay Tankers Ltd (TNK), Astra Space Inc (ASTR), Lightning Emotors Inc (ZEV), Momentus Inc (MNTS)