Warren Buffett's company Berkshire Hathaway (NYSE: BRK.A)(NYSE: BRK.B) has been stockpiling cash all year. At the end of the third quarter of 2024, Berkshire had over $320 billion of cash and short-term Treasury bills.

Steve Ballmer has an unorthodox investing approach. The former Microsoft CEO is worth $151 billion, per the Bloomberg Billionaires Index, making him the ninth richest person the world. That puts him ahead of famed investor Warren Buffett by a nearly $10 billion margin.

This company built around an aging technology is finally reinventing itself by rethinking how it does business.

Warren Buffett has made some rather bearish moves in Berkshire Hathaway's (NYSE: BRK.A)(NYSE: BRK.B) stock portfolio in the past few quarters. Most notably, the legendary investor disposed of significant portions of both the Apple and Bank of America investments that have performed extremely well for Berkshire.