Buyout funds managed by private equity giants Apollo Management LP and Blackstone Group LP (NYSE: BX) are among a growing number of limited partnerships that have experienced sharp declines in value, reports the Wall Street Journal, which highlights the economy's impact on such funds, as well as the influence of mark-to-market accounting.
Apollo and Blackstone recently disclosed to investors the values of their last buyout funds at year-end. Apollo Investment Fund VI LP, a $10.1 billion investment vehicle that closed in 2005, was held at 34% below cost. Perhaps the most notable Fund VI deal is Harrah's Entertainment Inc., which has struggled with its debt covenants. Apollo and TPG Capital LP acquired Harrah's in January 2008 for $27.8 billion.

Back in April 2007, 


Private equity, in my opinion, is the juiciest of all the financial sectors. While venture capital is more baldly a gamble -- after all, something like 10% of investments actually pay out handsomely -- private equity is a quieter, stuffier, much, much larger gamble. It makes my blood gurgle with excitement.

