Grayscale’s $5.1 billion in Bitcoin under management is fast being challenged by firms including CoinShares and MicroStrategy.
Source: https://cointelegraph.com/news/public-companies-hold-almost-7b-in-bitcoin-in-heads-up-to-grayscale
Public companies hold almost $7B in Bitcoin in heads-up to Grayscale
October 14, 2020
CoinTelegraph