The Data Letter

The Data Letter

What Companies Say About AI Success and What They Report to the SEC

An audit of what Microsoft told investors and what it put in its annual report

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Auditing AI
Oct 09, 2026
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Two-thirds of the companies in the S&P 500, an index of 500 of the largest US public companies, discussed AI on their earnings calls last quarter. Only 1 in 4 gave investors a measurable result. Microsoft’s annual report shows what happens to those results when a company files with the SEC.

How many large US companies report a measurable AI result

Every q…

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