Bisys Group Inc., the top administrator of bank-managed mutual funds, has widened its lead over a shrinking field of rivals, according to data from Lipper Analytical Services, Summit, N.J.

In the quarter ended June 30, Bisys handled $82.9 billion in fund assets for its bank clients, up 51% from a year earlier. That's twice as much as second-place First Data Investor Services, which administered $40.9 billion, down 6% in a year.

Subscribe Now

Access to authoritative analysis and perspective and our data-driven report series.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.