The fastest-growing ETF in history, iShares Bitcoin Trust (IBIT) — launched on Jan. 11 alongside nine similar spot bitcoin funds — notched roughly $13.9 billion, or 21%, of those flows, ETF.com data shows.
“This is just the latest example of BlackRock innovating to provide better access and transparency to a wider range of investment exposures.”
https://blockworks.co/news/blackrock-q1-earnings-bitcoin-fund-inflows