1.Barry Silbert is the founder of Digital Currency Group, which invests in popular cryptocurrency and blockchain companies.
Digital Currency Group has invested in 218 blockchain- and cryptocurrency-related companies.Other portfolio companies include Genesis, a liquidity provider—an entity that funds a pool with cryptocurrency—for cryptocurrency buyers and sellers in the over-the-counter market. Digital Currency Group also invests in Grayscale Investments, which manages the Bitcoin Trust (GBTC), an investment vehicle that holds $15.6 billion in bitcoin as of Feb.19, 2023, which gives investors exposure to its price movements without requiring them to hold any directly.
2. Michael Saylor is the CEO of MicroStrategy, which is investing heavily in Bitcoin.
The co-founder and CEO of business intelligence firm MicroStrategy, Michael Saylor, believes that cryptocurrency is the next biggest investment. MicroStrategy increased its bitcoin holdings in 2022 by purchasing 8,813 bitcoins at an average price of $32,670. The company holds a total of 132,500 bitcoins as of Feb. 19, 2023.


3.Cameron and Tyler Winklevoss are believed to be the first Bitcoin billionaires, reportedly holding about 70,000 coins.
Cameron and Tyler Winklevoss are investors in several cryptocurrencies and blockchain-related businesses, most notably the privately-owned Gemini exchange. They are believed to be the first to reach billionaire status by investing in Bitcoin, reportedly holding about 70,000 coins, according to Forbes.4

The Winklevoss twins launched the Gemini exchange in 2015.7 The company allows investors to buy, sell, and store their digital assets. Gemini launched bitcoin futures on the CBOE Options Exchange (CBOE) in December 2017.8



4.Elon Musk's company Tesla purchased $1.5 billion in Bitcoin in 2021 but is down to $191 million as of its 2022 annual filings.Elon Musk is the CEO and co-founder of Tesla (and other companies). Tesla engineers and builds electric vehicles and clean energy products. As an innovative company standing at the forefront of technology, it should be expected that it would own cryptocurrency—Tesla purchased $1.5 billion worth of bitcoin in 2021 to begin accepting it as a form of payment.9 As of its 2022 annual report, the company has converted 75% of its digital assets, reducing its holdings to $191 million.
5. Michael Novogratz founded Galaxy Digital Holdings, a broker-dealer and cryptocurrency and digital asset management firm.

Galaxy Digital focuses on digital assets; in the third quarter of 2021, it purchased $62 million worth of non-fungible token (NFT) related companies.10 NFTs are digital assets that use blockchain technology for security and ownership identification. They became popular in 2021 after digital art secured by NFT technology began selling for millions of dollars.

Galaxy reported about $2 billion in assets under management in its third-quarter 2022 results, with $875 million of those assets used in its fund products.

Source:https://www.investopedia.com/articles/people/091516/top-5-investors-investing-bitcoin.asp