Current position

Warren Buffett’s American Express (AXP) position

Reported position history, portfolio importance and verified filing changes from public SEC disclosures.

Berkshire HathawayVerified through Q2 2026
Relationship snapshot

At a glance

The full verified relationship, including prior ownership episodes and exits where supported.

First reportedQ4 1998Earliest verified positive filing snapshot
Latest statusCurrent positionBased on the latest supported relationship state
Peak shares151.61MHighest verified quarter-end share count
Quarters reported103Verified quarters with shares above zero
What happened?

Berkshire Hathaway first reported American Express in Q4 1998. Berkshire Hathaway currently reports 151.61M shares. The latest verified filing showed: No change.

Verified SEC history

Position over time

See the same verified relationship through reported shares, portfolio weight or reported value.

Metric

Gaps indicate periods that cannot be safely connected or where a verified corporate action changes the raw share scale. Stock price, when available, is market context and not a transaction price.

Key filing events

What changed

Latest filing plus the most meaningful reported changes. Unchanged quarters are collapsed by default.

Q2 2026
No change151.61M shares reported
Filing context

Quarter-end price $338.25 · Estimated holding basis $44.90

Q1 1999
New position+50.54M shares · 50.54M shares reported
Filing context

Quarter-end price $117.75 · Estimated holding basis $102.50

95 unchanged quarters are collapsed by default.

Portfolio importance

How important is American Express in Berkshire Hathaway’s reported portfolio?

Relative importance is measured only within the verified primary non-option reported portfolio for each quarter.

Current portfolio weight17.1%Q2 2026
Current rank#2of 29 reported positions
Peak portfolio weight30.5%Q3 2000
Best historical rank#1Q4 2004
At peak importanceQ3 2000
AXP
30.5%
Largest holding
36.6%
Cross-investor discovery

Who else owns American Express?

Also reported by 5 other tracked investors in their latest verified filings.

Guy SpierAquamarine Capital
AXP15.3% of reported portfolio
Christopher BloomstranSemper Augustus Investments Group LLC
AXP0.1% of reported portfolio
Ray DalioBridgewater Associates, LP
AXP0.0% of reported portfolio
Explore American Express across all tracked investors →
SEC evidence & methodology

SEC filing evidence

Market context and filing-derived values are kept separate from actual transaction prices, which 13F filings do not disclose.

Latest verified stock price$311.562026-09-18

Market context only; not an investor transaction price.

Latest filing quarter-end price$338.25Q2 2026

Derived from validated reported value and shares where supported.

Estimated holding basis$44.90Historical reference — not actual purchase price

Calculated from supported filing history.

Latest verified investor filingQ2 2026 · filed 2026-08-14
Open SEC filing ↗

View American Express stock page →

This tracker follows Berkshire Hathaway’s Form 13F disclosures. It is not Warren Buffett’s personal brokerage account, and 13F filings do not reveal exact trade dates or execution prices.