S&P 500 net profit margin set to hit 16% in Q2 2026, led by Alphabet

The S&P 500’s blended net profit margin reached 15.7% in Q2 2026, the highest level FactSet has recorded since 2009. The margin jumped from 14.8% in Q1 2026, itself already a post-2009 high. But dig one layer deeper and you find that a single company is doing most of the work. Alphabet’s quarter was, in a word, extraordinary Alphabet reported Q2 2026 net income of $112.1 billion, a year-over-year increase of 298%. Roughly $77.1 billion of that figure came from post-tax unrealized gains on equity securities, primarily from Alphabet’s stake in SpaceX. These are paper gains, not cash flowing in from selling ads or cloud subscriptions. Strip those one-time gains out, and the story changes materially. S&P 500 earnings growth for Q2 2026 drops from 37.9% to 25.9% when Alphabet’s contribution is excluded from the aggregate. Alphabet’s Q2 revenue hit $119.8 billion, up 24% year over year. Google Cloud was the standout unit, growing 82% to reach $24.8 billion, driven by surging enterprise demand for AI infrastructure. Operating income rose 30% to $40.8 billion, with an operating margin of 34%. AI is real, but concentration risk is also real When one company can move the needle on th...