Apple and Microsoft are now both worth more than $4 trillion each.
This is the first time Apple’s market capitalization has crossed the $4 trillion mark, making it the third company to ever cross the milestone, after Nvidia and Microsoft. Redmond first crossed the mark in July, but its valuation then dropped slightly to $3.9 trillion, before returning to $4 trillion on Tuesday on the back of news that it had signed a new agreement with OpenAI.
Apple’s growth has been impressive: It reached $1 trillion in 2018, $2 trillion in 2020, and $3 trillion in 2022. Apple’s stock has soared following the launch of the iPhone 17 range, which seem to be outselling previous versions. The company is set to report its Q4 2025 results on Thursday, October 30.
Microsoft has also been thriving, thanks to demand for its Azure cloud service, which offers OpenAI’s large language models as well as the computing power needed to train AI models. The company said on Tuesday that its roughly 27% stake in OpenAI was valued at about $135 billion. The tech giant reports its quarterly results on Wednesday.
Alphabet, Google’s parent company, is getting close to the $4 trillion milestone, too: It’s currently trading at a market capitalization of $3.25 trillion.
