The Richest Family You've Never Heard Of

Investment management firm Fidelity is a private company that administers over $18 trillion in assets—that’s greater than the GDPs of Germany, Japan, the United Kingdom, and France combined . (Or, it’s18 Elon Musks.) Last year, the company earned almost $13 billion in profit , half of which goes to the family who started it. To be more precise, it goes to the founder's grandchildren, a few of whom…