Apple became the first publicly traded U.S. company to reach a $1 trillion market value in 2018.
Apple crossed the milestone on August 2, 2018, when its share price and outstanding-share count produced a market capitalization of about $1 trillion. Market capitalization means share price multiplied by the number of shares outstanding, so it changes with the market rather than representing the company’s cash or annual revenue.
The milestone reflected Apple’s transformation from a computer maker into a broad consumer-technology company. The iPhone, introduced in 2007, became the company’s main growth engine, while the App Store, Mac, iPad, Apple Watch, and services business added further revenue streams.
Apple later passed higher valuation milestones, including $2 trillion in 2020 and $3 trillion in 2022. A common mix-up is confusing market capitalization with the value of a single share: a high share price alone does not determine which company is largest.