BlackRock’s crypto portfolio increased by about $29.54 billion during the third quarter of 2026, reaching approximately $77.1 billion on Sept. 30 from $47.56 billion on July 1, a gain of 62.11%, according to Finbold citing Arkham data. The increase was driven by strong price gains in Bitcoin and Ethereum, with Bitcoin rising more than 42% over the period. BlackRock’s spot Bitcoin ETF, iShares Bitcoin Trust (IBIT), increased holdings by 63,070 BTC to about 801,270 BTC from roughly 738,200 BTC at the start of the quarter, an 8.5% rise in holdings volume. Bitcoin climbed from about $58,564 to around $84,000.