13F · AMERICAN EXPRESS CO

AXP institutional ownership and 13F activity

Track AXP institutional ownership through SEC 13F filings, including top shareholders, reported positions, portfolio weights, buys, sells, and quarterly holding trends.

Historical filing data, not live positions.Snapshot generated Sep 12, 2026 from SEC EDGAR 13F-HR information tables. 13F reports can arrive up to 45 days after quarter-end and omit many asset types.
01

AXP Institutional Ownership Snapshot

See how many institutions reported AXP, their combined market value, ownership concentration, and latest position changes.

Active holders1
Reported value$51.3B
Top 5 concentration100.0%
New holders0
Reduced holders0
Exited holders0
02

AXP Ownership Takeaways

Highlights from the latest AXP 13F filings, including the largest holder, biggest increase, largest reduction, and ownership concentration.

Largest reported holderBerkshire Hathaway$51.3B · 17.14% of its portfolio
Largest increaseBased on reported share-count change versus the prior filing.
Largest reductionReported changes can reflect trading, prices, or filing coverage.
Ownership concentration100.0%of aggregate reported value is held by the top five tracked holders.
03

Who Owns AXP? Institutional Holders

Compare 1 current and exited AXP positions by manager, shares, reported market value, portfolio weight, and quarter-over-quarter change.

ManagerSharesReported valuePortfolio weightShare changeStatus
Warren Buffett / Berkshire HathawayJun 30, 2026 · CIK 0001067983151.6M$51.3B17.14%0.0%Unchanged
04

AXP Institutional Buying and Selling

See which institutions opened, increased, reduced, or exited AXP positions compared with their previous 13F filing.

New 0

No holders in this category.

Increased 0

No holders in this category.

Reduced 0

No holders in this category.

Exited 0

No holders in this category.

05

Types of Institutional Holders

Compare concentrated funds, diversified managers, and broad portfolios that reported AXP. Categories are based on portfolio breadth, not SEC classifications.

Concentrated managers1
tracked holders
06

AXP Institutional Ownership by Quarter

Follow reported AXP holders, shares, and market value across recent quarters. The institutions included may vary by filing period.

Q2 20261 holders
$51.3B151.6M shares
Q1 20261 holders
$45.9B151.6M shares
Q4 20251 holders
$56.1B151.6M shares
Q3 20251 holders
$50.4B151.6M shares
Q2 20251 holders
$48.4B151.6M shares
QuarterHoldersReported valueSharesNewExits
Jun 30, 20261$51.3B151.6M00
Mar 31, 20261$45.9B151.6M00
Dec 31, 20251$56.1B151.6M00
Sep 30, 20251$50.4B151.6M00
Jun 30, 20251$48.4B151.6M00
07

Stocks Held by Similar Institutions

Discover other stocks reported by institutions that also hold AXP, and compare holder counts, market value, and concentration.

08

Common Questions About AXP

Who is the largest tracked institutional holder of AXP?

Berkshire Hathaway is the largest active holder in the current AXP sample, reporting $51.3B. The AXP holder table ranks every matched manager.

Which institution increased its AXP position the most?

No tracked institution reported an increase or new AXP position in the current cycle.

Which institution reduced or exited AXP most significantly?

No tracked institution reported a reduction or exit in AXP during the current cycle.

Did new holders enter or existing holders exit AXP?

0 new holders entered and 0 holders fully exited in the current filing cycle. Counts reflect the SEC 13F filings currently included on BasisPilot.

How concentrated is tracked ownership in AXP?

The five largest tracked holders account for 100.0% of aggregate reported AXP value. This is concentration within the tracked sample, not the entire market.

How has tracked ownership in AXP changed across four quarters?

From the oldest comparable quarter to the latest, aggregate reported AXP value among tracked managers increased by 6.0%. Manager coverage can vary by quarter.

What company evidence should be checked alongside AXP's 13F changes?

Review AMERICAN EXPRESS CO's latest earnings, SEC filings, guidance, capital allocation, and material company events. Delayed 13F data alone cannot confirm that a manager still holds the same position today.

09

Sources and Methodology

Source: SEC EDGAR Form 13F-HR information tables. Positions are grouped by investment manager and ticker, then compared with the prior available filing. 13F data is delayed, historical, and does not represent a manager's complete or current portfolio.