MBS Depository Love Machine 16 years ago MBS Depository Depository initially operated by MBSCC for GNMA securities. Currently being converted to a corporate trust company under the purview of State of New York Banking Law, that will be a participant-owned and limited-purpose entity. Recommended for you: DTC- Depository Trust Company DTCC- Depository Trust & Clearing Corporation International Depository Receipt (IDR) Holding Company Depository Receipt – HOLDR