According to Odaily, BlackRock, the American multinational investment management corporation, has increased its Bitcoin holdings by 2,437 units, valued at approximately $170.24 million. This brings BlackRock's total Bitcoin holdings to 304,977 units, worth an estimated $21.3 billion.

On the other hand, Grayscale, a digital currency asset manager, has reduced its Bitcoin holdings by 545 units, valued at approximately $38 million. This leaves Grayscale with a total of 285,106 Bitcoin units, worth an estimated $19.92 billion.

In addition, nine Bitcoin ETFs have collectively increased their holdings by 1,805 units, valued at approximately $126.12 million. These adjustments in Bitcoin holdings reflect the ongoing interest and investment in the cryptocurrency market by major financial institutions.