The foundation is now one of the largest in the country, with more than $14 billion in assets. But unlike some other billionaires who have dedicated their nonprofits to broader social or political causes, Musk in recent years used his nonprofit in ways that narrowly track the interests of his for-profit businesses. In 2024, the tax filings show, that trend continued. The Musk Foundation gave away $474 million in 2024, more than it has in any prior year. But more than three-quarters of that, $370 million, went to a nonprofit in Texas led by Musk’s top aide. That nonprofit appears...