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An American woman named Margaret Anne Cargill donated stocks worth a whopping $6 billion, the largest fortune ever left to a charity.

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Margaret Anne Cargill's posthumous donation to charitable causes marks one of the most significant philanthropic legacies left by an individual. After her passing in 2006, it was revealed that Cargill had bequeathed stocks worth approximately $6 billion, making her one of the most generous benefactors in history. An heir to the Cargill family fortune—founders of Cargill Inc., the largest privately held corporation in the United States—Margaret’s life was characterized by a modesty and low profile, with most of her philanthropic activities undertaken anonymously.

The bulk of her estate went to form the Anne Ray Charitable Trust and the Margaret A. Cargill Foundation, aimed at supporting a variety of causes that reflected her lifelong interests. These included support for environmental conservation, assistance for Native American arts and culture, disaster relief, and animal welfare projects, among others. What is particularly noteworthy about her giving philosophy was her preference for supporting underfunded or overlooked areas in charity, a testament to her thoughtful approach to philanthropy.

Her incredible donation epitomizes a growing trend among philanthropists to leave significant portions of their wealth to charity, often allocating more resources to philanthropic endeavors than to their heirs. Cargill's legacy serves as an inspiring beacon for future generations of philanthropists, demonstrating that wealth, when channeled properly, can effect substantial positive change in a variety of complex and evolving societal challenges.