The most famous and widely recognized investment management company in the United States is Vanguard, alongside other massive financial titans like BlackRock and Berkshire Hathaway. Vanguard revolutionized personal finance and institutional investing by pioneering low-cost index funds and exchange-traded funds, managing trillions of dollars in global assets for tens of millions of retail and retirement investors. Concurrently, Berkshire Hathaway, led by legendary investor Warren Buffett, enjoys iconic status for its remarkable history of long-term capital compounding, disciplined value investing strategies, and massive conglomerate holdings across diverse American industries.