Abby Johnson Fidelity Investments President of Personal, Workplace and Institutional Services

In time for Mother's Day, Forbes last week published its list of the 20 richest moms in the world. Fidelity's [see profile] Abby Johnson, who heads up personal, workplace and institutional services at the Boston Behemoth, came in at No. 8 this year, with a net worth of $11.3 billion.

The mother of two was No. 5 on the list last year.

Topping the list for 2011 is John Walton's widow, Christy, who has a net worth of $26.5 billion. According to Forbes, there are a total of 78 billionaire moms in the world. 

Stay ahead of the news ... Sign up for our email alerts now
CLICK HERE