Kohlberg Kravis Roberts & Co. (NYSE:KKR), Apollo Global Management, LLC (NYSE:APO), Hellman & Friedman LLC, The Carlyle Group LP (NasdaqGS:CG) and Genstar Capital, LLC are planning to acquire Russell Investments Limited from The Northwestern Mutual Life Insurance Company. The Northwestern Mutual Life Insurance Company is said to be planning to sell stake in Russell Investments Limited.

Rumors are circling around that Northwestern Mutual is exploring the sale of Russell Investments. Reuters reported the company is putting Russell Investments up for sale as it's not part of its core business.