Artificial intelligence is reshaping everything from search engines to chipmaking. But which companies are leading the charge in terms of market value?

We’ve looked at the largest publicly listed AI players by market capitalisation – calculated by multiplying a company’s share price by its total number of outstanding shares – as of 15 August 2025:

The largest AI companies by market cap 

Our rankings below display the top AI shares worldwide by market capitalisation as of 15 August 2025. Each company's market cap is shown in USD, alongside their latest share price and primary country of listing.

Rank

Company

Market cap

Country

1

NVIDIA $4.44T USA

2

Microsoft $3.88T USA

3

Amazon $2.46T USA

4

Alphabet (Google) $2.45T USA

5

Meta Platforms (Facebook) $1.96T USA

6

Broadcom $1.46T USA

7

TSMC $1.24T Taiwan

8

Oracle $688.04B USA
9 Palantir Technologies $429.21B USA
10 AMD $293.64B USA

FAQ

What is AI investing?

AI investing means gaining exposure to companies focused on artificial intelligence technology. This could involve buying shares directly or speculating on price movements using derivatives like CFDs – without owning the underlying asset. Prices tend to move in response to market sentiment, tech developments and broader economic events.

How do I trade AI stocks?

To trade AI share CFDs, you’ll need to open and verify an account with a regulated CFD provider. Once set up, you can deposit funds and access the trading platform. It’s important to understand the market, research the companies you’re interested in, and consider practising on a demo account before using real funds.

What should beginners consider when trading AI stocks?

Start by researching the company’s financial health, market position and innovation pipeline. Simpler strategies might help you manage risk while you learn. Make sure to use risk-management tools like stop-losses, and avoid trading more than you’re prepared to lose.

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