BlackRock’s iShares Bitcoin Trust has ascended to become the preeminent Bitcoin fund globally, amassing close to $20 billion in assets since its U.S. debut in January, as reported by Bloomberg News. On Tuesday, the fund’s holdings reached $19.68 billion, surpassing the Grayscale Bitcoin Trust’s $19.65 billion, according to Bloomberg’s compiled data. While Reuters has not confirmed these figures independently, Grayscale’s website lists its assets under management at $19.75 billion.