Electric vehicle giant Tesla Inc (NASDAQ:TSLA) was one of the largest companies to add Bitcoin (CRYPTO: BTC) to its balance sheet with a $1.5 billion addition disclosed in February 2021. While Tesla profited from selling portions of its Bitcoin holdings previously, the company could have made even more if it had listened to Bitcoin bull Michael Saylor. What Happened: Tesla disclosed the purchase of $1.5 billion worth of Bitcoin in February 2021, a purchase that happened in January 2021. Tesla later announced that it had sold portions of its Bitcoin in multiple transactions, capitalizing on gai…