Alphabet gains $2T in market cap as investors weigh AI ambitions against regulatory headwinds

Alphabet Inc. has added roughly $2 trillion in market capitalization over the past twelve months. The parent company of Google now commands a valuation of approximately $4.311 trillion, making it the second most valuable company on the planet.

The stock has delivered a 140% gain over the trailing year as of mid-2026. The company hit the $4 trillion market cap milestone back in January 2026, and in June it rejoined the Dow Jones Industrial Average.

The AI bet that keeps getting bigger

In June 2026, Alphabet proposed an equity capital raise of $80 billion to fund its AI ambitions. That number was subsequently upsized to $84.75 billion.

Regulatory storm clouds haven’t cleared