Ark Invest has purchased $20 million worth of BitMine shares, boosting its exposure to the crypto-focused firm’s Ether treasury strategy. The buy follows Ark’s major $182 million investment in BitMine last week and signals growing institutional interest in blockchain-based treasury models. Simultaneously, Ark Invest sold $15 million in Block Inc shares as part of a broader portfolio reshuffle, which also included trimming stakes in Robinhood and Coinbase. The moves highlight Ark’s continued rebalancing between fintech and emerging crypto infrastructure holdings