American Express Stock Tumbles Despite Institutional Support

American Express stock is trading lower on August 21, 2026, after recent filings showed multiple institutional investors taking new positions and adding exposure in the second quarter.

The shares opened at $331.99 on the New York Stock Exchange, reflecting a decline of 2.3% from a prior close of $331.15, while a recent quote snapshot showed the price at $331.30 with a daily drop of 2.57% in U.S. dollars.

Institutional buying supports American Express stock despite the latest share-price pullback, as several institutional investors have initiated or expanded positions in American Express during the second quarter of 2026, signaling confidence in the business.