George Sauter, manager of the Vanguard 500 index fund, will become
Sauter will remain head of Vanguard's $170 billion quantitative equity group, which oversees the companys well-known stock index funds, including the Vanguard 500 index fund. Sauter, 48, will take charge of all in-house stock and fixed income investments, and oversee $400 billion, or 70%, of Vanguards $550 billion in U.S. mutual fund assets.
Robert Auwaerter will head the $225 billion fixed income unit and report to Sauter.