Cathie Wood's ARK Invest funds, specifically ARKK and ARKW, have recently increased their holdings in Bitmine Immersion Technologies Inc (BMNR), with a total of 4.4 million shares acquired. Concurrently, ARKW also bought DoorDash (DASH), AMD (AMD), and Airbnb (ABNB), while selling Robinhood (HOOD), Coinbase (COIN), and Roblox (RBLX). This indicates a shift towards specific tech and crypto-related plays, with GLXY suggested as a potential next target.