According to @EmberCN, MicroStrategy (MSTR) made no BTC purchases last week and continues to hold 671,268 BTC valued at $60.441B with a $74,972 average cost and $10.114B in unrealized profit; source: @EmberCN (X, Dec 22, 2025). BitMNR (BMNR) increased its ETH treasury by 98,852 ETH at approximately $2,976 per ETH for a total of about $294M; source: @EmberCN (X, Dec 22, 2025). The update frames these as last week’s moves by the largest BTC and ETH treasury companies, highlighting a pause in BTC buying and active ETH accumulation; source: @EmberCN (X, Dec 22, 2025).

According to CoinMarketCap, Jack Mallers' Twenty One Capital began trading on the NYSE on Tuesday under ticker XXI with a $3.9 billion Bitcoin (BTC) treasury, making it the third-largest public corporate holder behind Strategy and MARA Holdings, source: CoinMarketCap.