Major banks in the US and Canada (Bank of America and RBC) significantly increased their holdings of ETH treasury company Bitmine (BMNR) stock in Q4 2025 (Bank of America surged over 16x+, RBC grew over 1x+). This marks a shift where traditional banks are accelerating their exposure to Ethereum on their balance sheets through indirect means, pushing institutional adoption of ETH from the margins to the mainstream. Specific data from 13F filings, as of December 31, 2025 valuation: • Bank of America Corp: • Shares held: 3,162,085 • Disclosed market value: approximately $85.8 million • QoQ growth: +1,668% (a quarterly surge of about 16.68x, rapidly building positions from a very low base) • Royal Bank of Canada (RBC): • Shares held: 764,797 • Disclosed market value: approximately $20.7 million • QoQ growth: +121% (a quarterly increase of about 1.21x) These holdings were revealed in the batch disclosure of 13F filings on February 17, 2026 (Eastern Time), which are mandatory quarterly reports (required for institutions managing over $100 million in assets to submit to the SEC). Data sources include aggregated records from platforms like Fintel and HedgeFollow.