50 Most Famous American Investors

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In this article, we discuss the 50 most famous American investors. To skip our analysis of ultra-high net worth individuals’ investment portfolios and the hedge fund industry, go directly to the 10 Most Famous American Investors.

According to Forbes’ The Richest in 2023 report, there were 2,640 billionaires in the world as of March 2023, down from 2,668 in the same period last year. The total net worth of the billionaires was $12.2 trillion, compared to $12.7 trillion last year. The drop in the number of billionaires was primarily caused by the rough macroeconomic conditions, mainly due to the Russian invasion of Ukraine.

The real estate consultancy firm, Frank Knight, published a wealth report in March 2023. The report contains survey responses provided by over 500  private bankers, wealth advisors, intermediaries, and family offices managing over $2.5 trillion for ultra-high net worth individual (UHNWI) clients. According to the survey, 26% of UNHWIs invest their money in equities, followed by 21% in commercial properties. Bonds make up 17% of the average UHNWI’s portfolio. 

The United States has the highest number of billionaires in the world. According to Forbes, nine out of ten of the richest people in the world are US citizens. However, the United States still ranks sixth among countries with the most billionaires per capita. As of April 2023, 372 billionaires in the United States made their fortune through the financial sector including hedge funds, investment banking, and private equity investments. 

In the financial sector, hedge funds are one of the most notable paths of wealth generation. Between May 2014 and December 2018, Insider Monkey's best-performing hedge funds strategy, which identifies the consensus small-cap picks of all hedge fund managers, returned 78.4%, compared to the S&P 500's 60.4%. 

The hedge fund industry did quite well in 2021 when the markets were suffering due to the COVID-19 pandemic as it gained over $1 trillion in assets under management. However, the sector noted some of the most considerable losses in 2022. The entire hedge fund industry declined by 2.4% and lost $208.4 billion. 9% of that total was accounted for by Chase Coleman’s and Feroze Dewan's Tiger Global.

It wasn’t all doom and gloom for hedge funds. Ken Griffin's Citadel Investments returned $16 billion in 2022 while Ray Dalio's Bridgewater Associates returned $6.2 billion. Ken Griffin’s biggest bets have made significant returns in 2023 as well. For example, in the fourth quarter of 2022, Ken Griffin increased his firm’s holdings in NVIDIA Corporation (NASDAQ:NVDA) by over 500% and then added an extra 56% in Q1 2023. In those two quarters, the company’s stock registered a gain of nearly 130%.