
MacKenzie Scott has given away about $26.3 billion to charities since 2019, placing her among the most significant philanthropists of recent years. Yet despite this extraordinary level of giving, she remains one of the richest people in the world. This is because her fortune is still tied mainly to shares in Amazon, which can rise in value even as she gives stock away or sells it. Bloomberg’s Billionaires Index estimated her net worth at $43.6 billion on 28 April 2026, while other estimates have placed it closer to $33 billion. The exact figure varies by tracker, but the broader point is clear: her wealth is built on equity rather than cash, and equity can continue to grow over time.