BlockBeats News, July 15, although previously referring to Bitcoin as an "immature asset class" and deeming it unsuitable for long term investors, Vanguard Group has now become the largest shareholder of MicroStrategy. According to Bloomberg reports, the institution managing $10 trillion in assets holds 20 million shares of MicroStrategy through its managed funds, which accounts for 8% of the outstanding shares, potentially surpassing Capital Group as the largest shareholder in the fourth quarter of last year.