From FiSolve: the SEC released a study conducted by its Division of Economic and Risk Analysis regarding broker-dealer activity.  As of 2024, there were approximately 3,340 broker-dealers with total assets of approximately $6.4 trillion. The number of broker-dealers declined by approximately 30% from 2010 to 2024, but assets grew by approximately $1.7 trillion.  These results show a trend of industry consolidation, with a declining fraction of market participants responsible for a larger asset pool by the end of the sample period (2010-2024).  The study also contains information on revenues and expenses.  The industry has achieved greater levels of profitability during the most recent five years.  The report includes other interesting areas of information relating to revenues, expenses, employees and more.  Read more here.