10/1/2019 · Source: TD Ameritrade Holding Corporation. About TD Ameritrade Holding Corporation TD Ameritrade provides investing services and education to more than 11 million client accounts totaling approximately $1.3 trillion in assets, and custodial services to more than 7,000 registered investment advisors. Such statements speak only as of the time when made and are based on information available to Main Street as of the date hereof and are qualified in their entirety by this cautionary statement. Main Street assumes no obligation to revise or update any such statement now or in the future. Our 29,093,268 listings include 6,302,515 listings of homes, apartments, and other unique places to stay, and are located in 155,177 destinations in 227 countries and territories. Booking.com B.V. is based in Amsterdam, the Netherlands and is supported internationally by 198 offices in 70 countries.