BitMine Immersion said its Ethereum treasury has grown to more than 833,000 tokens, valued at over $2.9 billion at prevailing prices. The position makes the company the largest known corporate holder of ETH, according to data cited in multiple market reports on Monday. Trading activity in BitMine Immersion’s stock has also accelerated. The shares now rank as the 42nd most-liquid listing in the United States, with average daily turnover of about $1.6 billion. Market observers estimate the miner accumulated more than 200,000 ETH during the past week as it bought into a price dip.