Free Bank Data / consolidation

Bank consolidation, 1984–present

US banks by asset size, quarterly since 1984
Share of industry assets held by the 10 largest banks (%)

Every FDIC-insured commercial bank and thrift filing a quarterly call report. Size tiers in nominal dollars. Marked dates: 1989 FIRREA, 1997 Riegle-Neal interstate branching, 2008 financial crisis, 2023 SVB/regional stress.