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Alphabet’s Big Re-Rating Caps Year of Record Sales and AI Momentum

Investors now weigh AI-fueled momentum against a sharply higher valuation.

Overview

  • Alphabet posted its first-ever quarter above $100 billion in revenue, reporting $102.34 billion in Q3, up 16% year over year, with $74.18 billion from advertising led by Search and YouTube.
  • The stock is up roughly 61%–62% in 2025 and now trades near 29 times forward earnings, up from just over 16 times in midyear valuations.
  • Berkshire Hathaway disclosed a new Alphabet stake in its latest 13F filing covering holdings as of Sept. 30.
  • A federal court required only limited concessions in the DOJ case tied to Google Search, easing breakup fears and boosting investor confidence.
  • Analysts highlight Google Cloud’s growth and rising AI workloads as key drivers into 2026, even as commentary notes the premium valuation and the need for new catalysts after this year’s tailwinds.