By Mackenzie Tatananni

Alphabet drew near a $5 trillion market capitalization on Monday, just months after shares of the Google parent closed above the $4 trillion threshold for the first time.

The stock was roughly 2% away from a $5 trillion market cap in morning trading, on pace to end the session above $4.9 trillion for the first time.

Given Alphabet has multiple share classes, there's no target price to achieve this milestone. However, both the company's Class A and C shares were heading for record closing highs on Monday.

Alphabet's Class A shares advanced 1.4% to $402.55, while its Class C shares rose 1.3% to $398.95. They set their previous record closing levels on May 13 at $402.62 and $399.04, respectively.

Including Monday's session, it has been 87 trading days since the tech behemoth first finished above $4 trillion on Jan. 12. Alphabet is the world's second-largest company by market capitalization, behind Nvidia. Its next-largest rival, Apple, boasted a market cap of $4.4 trillion on Monday.

A strong first-quarter earnings report has extended Alphabet's rally this year, validating the company's substantial investments in artificial intelligence with actual revenue. The tech behemoth posted record growth in its closely watched cloud unit and doubled down on its 2026 targets for AI spending. Capital expenditures hit nearly $36 billion in the first quarter, double last year's amount.

A disclosure that Berkshire Hathaway had boosted its stake in the company helped nudge Alphabet higher on Monday. As of the end of March, the conglomerate owned nearly 58 million shares, worth around $17 billion. Just three months earlier, Berkshire held just 17.8 million shares, valued at roughly $5.6 billion.

Write to Mackenzie Tatananni at mackenzie.tatananni@barrons.com

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May 18, 2026 11:42 ET (15:42 GMT)