Massachusetts's State Treasurer holds over $3 billion in unclaimed property through the 'Find Mass Money' program. Boston's role as a major U.S. financial center (Fidelity Investments and State Street are both headquartered there) and Cambridge's biotech cluster generate a particularly high-value mix of securities, mutual fund, and equity-compensation claims.
Reviewed by David Dorfman, CEO & President of Claimio. Last updated 2026-01-12.