MBS Depository Daniel Guidotti 14 years ago MBS DepositoryDepository 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