Yahoo Finance·2025-09-09 14:09Core Insights - Ark Invest has rebalanced its portfolio by purchasing BitMine Immersion Technologies (BMNR) stock while offloading shares of Robinhood Markets Inc. [1][2] Group 1: Ark Invest's Portfolio Changes - Ark Invest acquired 101,950 shares of BMNR, valued at $4.3 million, enhancing its exposure to Ethereum through BitMine [2][5] - The firm sold approximately 43,728 shares of Robinhood, valued at around $5.1 million, as part of its diversification strategy [6] Group 2: BitMine's Market Position - BitMine is now the largest corporate holder of Ethereum, possessing over two million ETH coins, which is about 1.7% of Ethereum's total supply [4] - The average purchase price for BitMine's Ethereum holdings is $4,312 per coin [4] Group 3: Market Reactions - Following Ark Invest's purchase, BMNR stock rose over 4% to close at $43.79, with a pre-market value of $45.19, reflecting a continued buying trend [3] - Robinhood's stock surged by 16% to close at $117.28 after the announcement of its inclusion in the S&P 500 index [6][7]