Blackstone buys minority stake in $13b distressed fund Marathon Asset Blackstone. Photo: Bloomberg Katia Porzecanski June 23, 2016 PremiumBlackstone Group LP bought a minority stake in Marathon Asset Management, a move that will provide the $12.8 billion hedge fund firm with permanent capital and help it to grow. Continue reading this story with a subscription to DealStreetAsia. Subscribe Already a subscriber? Log in Should your colleagues be reading this article too? Contact us for corporate subscriptions at firstname.lastname@example.org.