KKR Financial Corp. (NYSE: KFN) is a diversified specialty finance company that invests across multiple asset classes, including residential mortgage loans and mortgage-backed securities, corporate loans and debt securities, commercial real estate loans and debt securities, and asset-backed securities. (The company is an affiliate of Kohlberg Kravis Roberts & Co., one of the world’s oldest and most experienced private equity firms.) Founded in July 2004, KKR Financial Corp. has over $7.0 billion of assets.