BlackRock ETFs hold $384 million of shares in Bitcoin mining firms Post author:MiamiCrypto Post published:August 20, 2021 Post category:BlackRock / ETF / Marathon Digital Holdings / Riot Blockchain SEC filings reveal that BlackRock has invested almost $400 million into Riot Blockchain and Marathon Digital Holdings stock. You Might Also Like Two more crypto bills in the US: Law Decoded, July 17–24 July 24, 2023 Fidelity reportedly launching spot Bitcoin ETF in Canada December 1, 2021 BlackRock’s BUIDL Fund Hits Uniswap as UNI Jumped 40% February 12, 2026