The storm that swept through the hedge fund universe with the collapse of Lehman Brothers in September 2008 may have mostly blown over, but not without an aftermath.

Faced with mounting redemptions and drooping portfolios, some hedge funds suspended valuations while others froze redemptions or staggered withdrawals over time. A few funds implemented simpler measures like prolonging notice periods. Portfolios were also revamped via “side pockets”, special purpose vehicles and the like.