Depository Trust Company (DTC) One of the world's largest securities depositories, it holds in excess of US$10 trillion worth of securities in custody. The DTC acts like a clearinghouse to settle trades in corporate and municipal securities. Investopedia Says: DTC is owned by many companies in the financial industry, with the NYSE being one of its largest shareholders. Related Terms: Chill Clearing House Dematerialization Depository Trust & Clearing Corporation - DTCC Depository Trust Company Tracking - DTCT Euroclear National Securities Clearing Corporation - NSCC |