According to Odaily, BlackRock's Bitcoin spot ETF, IBIT, has outpaced Grayscale's GBTC in terms of holdings. The data for the 22nd week reveals that the number of Bitcoins held by IBIT has reached 304,995, surpassing the number held by GBTC.

The report was based on the monitoring by HODL15Capital, a renowned cryptocurrency analysis firm. This shift in holdings marks a significant milestone in the cryptocurrency market, as BlackRock's IBIT has managed to surpass Grayscale's GBTC, which has long been a dominant player in the Bitcoin spot ETF market.

This development could potentially indicate a shift in investor preference towards BlackRock's Bitcoin spot ETF. However, it is important to note that the cryptocurrency market is highly volatile and subject to rapid changes. Therefore, these figures should be interpreted with caution.