BlackRock’s official update of its spot Bitcoin ETF position data shows that as of March 13, IBIT’s Bitcoin holdings reached 223,645.98255 BTC, which means that its holdings have exceeded the theoretical maximum supply of 21 million Bitcoins by 1 %. In addition, the current market value of IBIT's Bitcoin holdings has reached $16,354,611,204.29, continuing to hit a record high, and the current number of outstanding shares has risen to 378,520,000.