Besides mutual funds and hedge funds, are there simpler options for creating a pooled account (i.e. you trade in one big account rather than separately for each client)? It's tedious to enter the same trades across 10+ accounts. Assuming one was to get the proper licensing, is there a simple way (in terms of startup costs, compliance paperwork, etc) to have everyone pooled into one single account, in such a way that the manager can trade the funds but not withdraw them himself? This is for US securities, and could ideally include both taxable accounts and IRAs.