It depends on your definition of "wealthy". If you're worth less than 12 digits, you can easily "stash" your money in 3-month US treasury bills. They currently

It depends on your definition of "wealthy". If you're worth less than 12 digits, you can easily "stash" your money in 3-month US treasury bills. They currently yield about 1.63%. https://www.bankrate.com/rates/interest-rates/91-day-treasury-bill.aspx https://www.bankrate.com/rates/interest-rates/91-day-treasur... Granted, if you're a Russian Oligarch or similar, this might not meet your definition of "a safe home". Otherwise, they're about as low risk as possible. I agree with your take on sovereign funds etc. The whole world can't just park its excess cash in T-bills. But unless you're talking about the dumbest of this money, it should be very broadly diversified: worldwide stock markets, bonds, real estate, natural resources, and smaller amounts to things like venture capital.