7 Billionaires Just Sold Shares of This AI Giant That's Climbed 105,000% Since Its IPO. And 1 Bought the Stock. Which Should You Follow?

In Q1 2026, seven billionaire investors reduced or closed their Microsoft positions, while Bill Ackman of Pershing Square opened a significant new position with 5.6 million shares representing over 14% of his portfolio. The article analyzes whether investors should follow the sellers or Ackman's bullish stance, noting Microsoft's strong positioning in AI through its cloud business and software integration, trading at 25x forward earnings.