This paper investigates mega hedge fund management companies that collectively manage over 50% of the industry's assets, incorporating previously unavailable data from those that do not report to commercial databases. We find similarities among mega firms that report performance to commercial...

The dramatic increase in the number of hedge funds and the "institutionalization" of the industry over the past decade have spurred rigorous research into hedge fund performance. This research has tended to uncover more questions than answers about the dynamic and multifaceted hedge fund...