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 Canary Capital Seeks SEC Approval for TRUMP Meme Coin Exchange-Traded Fund August 26, 2025 BlackRock’s Bitcoin ETF Leads $534M Inflow Surge, Largest in 7 Weeks July 23, 2024 Canada Approves First XRP Spot ETF on Toronto Stock Exchange June 17, 2025