The Johnson Family (Net Worth: $28.5 billion, Company Name: Fidelity)
Fidelity Investments was founded in 1946 by Edward Johnson II. It is a firm which provides multinational financial services in the US and it has grown as one of the largest asset manager empires in the country, with $6.7 trillion in assets as of March 2018.
When Abigail Johnson took over the family business, she was able to transform it into a major international company with over 45,000 employees around the globe. Her personal net worth is currently sitting at around $16.5 billion, placing her on the list of the world’s wealthiest women.