Blackrock’s spot bitcoin exchange-traded fund (ETF), the Ishares Bitcoin Trust (IBIT), has significantly increased its bitcoin holdings, which have now surpassed 252,011 BTC, representing an approximate notional value of $ 18 billion. This substantial increase reflects a stronger-than-anticipated influx of retail investor demand, exceeding even the CEO’s initial expectations. Blackrock CEO Larry Fink: ‘I’m …