I see all the other answers are only telling you that someone keeps track, without going into the mechanism. And I think that was your real question. If I'm wrong, apologies! :) Anyway. read more
Traditionally, hedge funds collect 2% of their clients' assets to run their operations. So if a rich person or a pension fund puts $100,000 in a hedge fund, then the fund collects $2,000 before it does anything. read more
Big hedge funds are well known, and potential investors call them up. Big investors are well knows, and hedge fund business development staff call them up. Smaller funds and smaller investors have more trouble finding each other. read more