Were you curious exactly who owns all the bitcoins?
Check this out:
As you can see, those are mostly exchanges.
For a list of the richest people (and bitfinex), this is one possible list:
1. Satoshi Nakamoto
4. The FBI
5. The Winklevoss Twins
6. Gavin Andresen
7. Roger Ver
8. Barry Silbert
10. Tony Gallippi
Correct me if I am wrong because I just found this on crypto twitter...