BlackRock buys over $380 million worth of Bitcoin mining company shares

On August 20, according to a mandatory SEC filing dated June 30, 2021, Blackrock, an asset management company with $9 trillion in assets, has held shares in two Bitcoin miners, including Marathon Digital Holdings (6.71%) and Riot Blockchain (6.61%), totaling more than $380 million. Among Blackrock's hundreds of mutual funds and ETFs, broad indexes such as iShares Russell 2000 ETF and iShares Expanded Tech-Software Sector own crypto mining stocks.