According to Odaily, the Bitcoin holdings of BlackRock's IBIT have surpassed those of Grayscale's GBTC. The current data shows that GBTC holds 287,450 Bitcoins, while IBIT has a slightly higher holding of 288,670 Bitcoins.

This shift in Bitcoin holdings indicates a change in the landscape of institutional Bitcoin investments. The increase in IBIT's holdings suggests that more investors are choosing BlackRock's IBIT over Grayscale's GBTC for their Bitcoin investments.

It's important to note that these figures are subject to change as both institutions continue to manage their Bitcoin portfolios. The competition between these two major players in the Bitcoin investment space is expected to continue, with fluctuations in their respective holdings reflecting the changing preferences of institutional investors.