(Bloomberg) --- Bill Gross no longer runs the world’s largest mutual fund.

Gross’s Pimco Total Return Fund has shrunk by $37.5 billion since the start of this year, ending last month with $247.9 billion in assets, according to data provided by Pacific Investment Management Co. in Newport Beach, California, and compiled by Bloomberg. The Vanguard Total Stock Market Index Fund ended October with $251 billion, Vanguard Group Inc. spokesman John Woerth wrote in an e-mail, taking the top spot.

Subscribe Now

Access to premium content including in-depth coverage of mutual funds, hedge funds, 401(K)s, 529 plans, and more.

3-Week Free Trial

Insight and analysis into the management, marketing, operations and technology of the asset management industry.