On July 10, Vanguard Group disclosed two filings indicating a significant rise in its investments in Bitcoin mining companies, Marathon Digital Holdings, and Riot Blockchain.
According to the filings submitted to the U.S. Securities and Exchange Commission (SEC), Vanguard now possesses 17.5 million shares in Marathon Digital Holdings, as revealed in the section detailing the aggregate amount of beneficial ownership for each reporting individual.
Likewise, the same filings show that Vanguard holds 17.9 million shares of Riot Blockchain, which happens to be Marathon's primary competitor. These filings were officially effective on June 30, but they were dated and made public on July 10.
