Asset manager and investment consultant Russell Investments announced Thursday that it is changing hands. A consortium of investors led by B Capital, a venture capital firm co-led by Facebook co-founder Eduardo Saverin, will acquire the Seattle-based business from its current owners, TA Associates and Reverence Capital Partners, according to a statement. The consortium of buyers includes the California Public Employees’ Retirement System. Russell Investments, which has over $416 billion in AUM,