Renowned investor Warren Buffett, known for diversifying his portfolio, has been heavily investing in one stock, comprising approximately 99% of his assets, since 2023. Berkshire Hathaway, led by Warren Buffett, has an impressive portfolio valued at $22019 billion, with 46% of its wealth invested in a single US stock. This particular stock is part of the FAANG group and is a leading player in the global technology sector. FAANG stands for Facebook, Amazon, Apple, Netflix, and Alphabet (Google), which are well-known companies. Additionally, an investment of $5,000 in Nvidia stocks in 2000 is now valued at $2 million. Investopedia / Getty Images provided the information. Warren Buffett’s company Berkshire Hathaway has invested 46% of its portfolio in Apple Inc. stocks. Since 2018, Berkshire Hathaway, led by Buffett, has been steadily increasing its holdings of Apple stocks. The financial company has been consistently purchasing Apple stocks for the past eight years and is likely to continue increasing their holdings. Additionally, the company is benefiting from the ongoing conflict between Russia and Ukraine which is boosting the US economy.