Depository Trust Company
The Depository Trust Company (DTC) is a subsidiary of DTCC (Depository Trust and Clearing Corporation) that serves as the central securities depository for virtually all publicly traded stocks and bonds in the United States, holding trillions in securities on behalf of broker-dealers and reducing the physical movement of certificates.
The DTC was established in 1973 in response to the 'paperwork crisis' of the late 1960s, during which surging trading volumes overwhelmed the back-office operations of Wall Street broker-dealers who were still physically moving paper stock certificates between firms to settle trades. At its worst, trading had to be suspended on Wednesdays to allow firms to catch up with settlement paperwork, a dysfunction that led Congress and the industry to demand systemic reform.
The solution DTC implemented was immobilization and dematerialization of securities. Rather than transferring physical certificates for every trade, DTC became the central registered holder of virtually all publicly traded US securities. Broker-dealers deposit their clients' and inventory securities at DTC, which holds them in a central vault and adjusts book-entry balances to reflect transactions. Instead of delivering a physical certificate when a trade settles, DTC simply debits shares from the seller's broker account and credits them to the buyer's broker account — a ledger entry rather than a physical delivery.
Today, DTC holds approximately $70 trillion in securities in custody, representing virtually all US equities, corporate bonds, municipal bonds, and many other instruments. It is the registered holder (in street name) for these securities on behalf of its participant broker-dealers, who in turn hold them on behalf of their clients. This creates the beneficial ownership chain that most investors participate in without realizing it.
DTC works in close coordination with its sister entity NSCC (National Securities Clearing Corporation), which nets and clears equity trades before they reach DTC for settlement. Together they form the backbone of US equities post-trade infrastructure. Access to DTC is limited to approved participants — primarily broker-dealers and banks — which is why individual investors cannot hold securities directly at DTC but instead access the system through their broker.
The GameStop episode of 2021 brought unprecedented public attention to DTC and NSCC, as retail investors attempted to understand the mechanics of short selling, margin requirements, and the T+2 (now T+1) settlement cycle. DTC's role as the central immobilized securities holder and NSCC's role in managing settlement risk became subjects of intense public discussion.