Amundi, Europe's largest asset management firm, significantly reduced its holdings in MicroStrategy (MSTR) during the third quarter of 2025. According to the latest SEC 13F filings, Amundi sold 772,620 shares, valued at approximately $135 million based on the quarter's prices. This reduction decreased their holdings from 2.556 million shares in Q2 to 1.7839 million shares, with the portfolio weight dropping from 0.12% to 0.09%.