Goldman Sachs Group Inc., Coller Capital and Lexington Partners Inc. are weighing bids for Lehmans Brothers Holdings Inc.’s investments in U.S. and European private equity funds, reported financial site Bloomberg.com.

Bloomberg.com reported that people with knowledge of the matter said Lehman is trying to sell stakes in real estate, merchant banking and venture-capital funds with about $15 billion of assets.

Lehman Brothers Merchant Banking and SRAM recently completed a transaction that gave Lehman’s Brother’s a 40% stake in SRAM through a strategic investment.