So-called "small shrimp", or retail investors, have sold about 75,000 bitcoins ($7 billion) in the past 30 days, according to Glassnode, the largest sell-off by this group since bitcoin topped $73,000 in March. As for which groups are buying, according to Glassnode, large bitcoin holders (known as "sharks") who hold between 100 and 1,000 BTC have amassed more than 140,000 BTC.