American Express Co

American Express Co (AXP) is held by 8 of the superinvestors tracked on Compounder, with a combined $46.18B in reported 13F value. The largest position belongs to Warren Buffett, where it makes up 17.4% of the portfolio.

Other notable holders by value include Thomas Gayner (1.2% of its book), Dodge & Cox (0.0% of its book) and Bill Nygren (0.1% of its book).

Over the latest quarter, 1 of the tracked filers opened a new position in AXP, 1 added to existing ones, 4 trimmed, and 0 sold out entirely.

Holder counts and values reflect the most recent SEC Form 13F filings, through the quarter ended 2026-03-31. Source: SEC EDGAR. A 13F shows only long US-listed positions and can lag the real portfolio by up to 45 days, so this is disclosed long ownership, not a complete picture.