Illinois holds over $4 billion in unclaimed property through the State Treasurer's 'I-Cash' program — one of the largest funds in the country. Chicago's enormous financial-services sector — banks, brokerages, futures and derivatives exchanges, and pension funds — generates a steady stream of high-value securities and estate claims.
Reviewed by David Dorfman, CEO & President of Claimio. Last updated 2025-12-22.