Investment information is often downloaded from clearing firms, investment managers, or custodians of brokerage accounts.  These downloads are special programs maintained inside of Advisors Assistant.

If you want to list all of the accounts downloaded from a particular source, you can select that source on the Investment Selection Reports by clicking on the Selection Reports Icon on the Sidebar Menu.

Examples of Download Sources are:

DST Fan Mail

DAZL

Pershing

Fidelity

Charles Schwab

Trust Company of America

and others...