Billion-dollar investment firm Rothschild Investment Corp quadrupled its exposure to Bitcoin (BTC) since April, new records show.In a filing with the United States' Securities and Exchange Commission (SEC) on July 17, Rothschild confirmed that it now owns 141,405 shares of the Grayscale Bitcoin Trust (GBTC). Rothschild GBTC shares near 150,000A quiet but nonetheless substantial … [Read more...] about Rothschild Investment Corp has increased its Bitcoin exposure by 300% since April