Grayscale, MicroStrategy and BlackRock top three firms by BTC holdings
The top five companies (institutions) that disclose their bitcoin holdings have been ranked, with Grayscale taking the top spot with 487,026 BTC, MicroStrategy (MSTR) in second place with 189,150 BTC, and BlackRock in third place with 66,200 BTC. Fidelity (59,224 BTC) and Canadian BTC ETF manager