The Bill & Melinda Gates Foundation has completed its exit from Microsoft Corp. (NASDAQ: MSFT) by selling its remaining 7.7 million shares, valued at approximately $3.2 billion. This sale concludes a phased divestment that began approximately two years ago when the foundation held around 28.5 million shares. The most significant reduction occurred in the third quarter of 2025, when nearly 65% of the stake was sold. Following this final sale, the foundation's trust portfolio is estimated to be worth about $31.7 billion. Despite the foundation's exit, Bill Gates retains about 103 million Microsoft shares personally. This move aligns with Gates' announcement in May 2025 regarding plans to dissolve the foundation in 20 years, shifting its focus towards global health initiatives, as supported by Melinda French Gates. The foundation aims to allocate its $200 billion endowment to global health by 2045. Interestingly, this exit coincides with Bill Ackman's recent investment in Microsoft, which he describes as having a 'highly compelling valuation' following a stock decline.