(Reuters) - Software firm MicroStrategy acquired bitcoin worth $1.11 billion between Aug. 6 and Sept 12, boosting its total holdings of the world's biggest cryptocurrency to roughly $9.45 billion.

WHY IT'S IMPORTANT

The approval of spot bitcoin exchange-traded funds by the Securities and Exchange Commission in January along with support from Wall Street and figures like Elon Musk has brought the once-nascent asset class closer to the mainstream.