According to Wu Blockchain, Citigroup's latest Form 13F filing reveals that as of June 30, 2026, it held 961,554 shares of Bitcoin treasury company MicroStrategy (NASDAQ: MSTR), with an end-of-period market value of approximately $90.5 million. Compared to 723,016 shares in Q1, their holdings increased by 238,538 shares, a growth of about 33%. The filing was submitted by Citigroup on August 3 and consolidates holdings from multiple affiliated investment management entities under Citigroup. https://(wublock123.com)/news/citigroup-q2-buys-2385k-strategy-shares-valued-90-5m-65895