Wu Shuo learned that Avenir Group, headquartered in Hong Kong, holds 14.7 million shares of BlackRock iShares Bitcoin Trust (IBIT) worth $691 million as of March 31, according to its latest 13F filing, a significant increase from 11.3 million shares on December 31 last year. Avenir has a total of 26 holdings worth $795 million, with IBIT dominating. According to its 2