Bill gates still owns 13 million shares of Microsoft.
https://www.gurufocus.com/guru/bill%2Bgates/current-portfolio/portfolio?view=table
Microsoft just poured more money into AI, which relies on mostly non-green energy sources to operate.
https://www.pcmag.com/news/microsoft-openai-sign-new-ai-deal-paving-way-for-more-investments