Edward C. Johnson II founded the mutual fund outfit Fidelity. His son Edward “Ned” Johnson III and his grandchildren own 49 percent of the company. Ned is the chairman and CEO; and his daughter is the president of the company. Fidelity manages assets worth $1.7 trillion.
Cargill, the largest privately held corporation in the United States, belongs to the Cargill family. The family members are the descendants of William W. Cargill. W.W. Cargill founded Cargill Inc. back in 1865 as a small grain storage company. Today the agro-giant is the largest private company in the world, with nearly $120 billion in revenue and 130,000 employees in 63 countries.
Whitney MacMillan – Net Worth: $5 Billion
Pauline MacMillan Keinath – Net Worth: $5 Billion
Austen Cargill, II. – Net Worth: $3.4 Billion
Marianne Cargill Liebmann – Net Worth: $3.4 Billion
James Cargill, II. – Net Worth: $3.4 Billion