Some of the Biggest Challenges Hedge Fund Investors Face MassPRIM's Eric Nierenberg and other investors share what they find challenging about investing in hedge funds. At the top of his list: Complacency. Related Articles Norway Tops Japan as World’s Largest Asset Owner James Comtois Private Equity Fundraising Remains Glum, Four Years On Michelle Celarier Active Quant: A Smarter Path Between Active and Passive Sponsored by Robeco