Amundi, Europe's largest asset manager, has increased its stake in MSTR by 44% to $291 million, according to a recent filing. The company now holds 1,903,725 shares of MSTR, up from 1,324,053 shares in the previous quarter. This increase comes as MSTR's shares have slid, with the company's stock price dropping 18% since the end of September. MSTR itself has continued to buy bitcoin, adding 1,036 bitcoin to its treasury last week for $81.9 million. The company's bitcoin holdings now total 850,364 BTC, acquired for $64.16 billion at an average price of $75,456.