Here's the latest ranking:
http://www.businessinsider.com/best-hedge-fund-managers-2017-2
Complete list of top 20 hedge funds (ranked by net gain since inception):
http://moderninvestor.com/news/list-of-the-week-top-20-best-performing-hedge-funds-revealed/a989411
I'm confident that the top 20 HFs TOGETHER won't hire >5 fresh Finance/Econ PhDs in any single year. You have to be really smart to stand out against STEM PhDs, especially for HFs on top of the list.