According to a mandatory SEC document dated June 30, 2021, Blackrock, an asset management company with 9 trillion US dollars, already holds shares in two Bitcoin miners, including Marathon Digital Holdings (6.71%) and Riot Blockchain (6.61%), totaling more than US$380 million. Among Blackrock's hundreds of mutual funds and ETFs, a broad index such as iSharesRussell2000ETF and iSharesExpandedTech-SoftwareSector owns crypto miner stocks.
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