Stock ownership
American Express Co.
- Ticker
- AXP
- Share classes
- AXP
- Held by
- 6 funds
- Combined value
- $46,073,090,363
+% bought more, −% sold down — each fund's last-quarter move (change in share count).
| Fund | Quarter | Last quarter | Value | % of fund |
|---|---|---|---|---|
| Berkshire Hathaway position history | Q1 2026 | — | $45,859,204,536 | 17.43% |
| Markel Group position history | Q1 2026 | +0% | $148,351,316 | 1.24% |
| Central Securities position history | Q1 2026 | — | $42,347,200 | 3.5% |
| Aquamarine Capital position history | Q1 2026 | — | $19,661,000 | 14.53% |
| Tudor Investment Corp position history | Q1 2026 | NEW | $3,244,400 | 0.02% |
| Ruane Cunniff position history | Q1 2026 | — | $281,911 | 0.0% |