AI-generated · cited to primary sources · not investment advice
Amazon.com, Inc. - Common Stock (AMZN) Sep 2025 Filing Analysis
How durable is the business?
AWS continued to be Amazon's fastest-growing major reported segment, with revenue up 20.2% year over year. Its share rose from 21.0% in the prior extraction to 18.3% on the current quarter's category mix, but the prior and current values are from different quarters and the prior extraction appears to use a non-comparable revenue base. Operationally, AWS profitability remained strong: Q3 operating income increased 9.4%, while operating margin declined from 38.1% to 34.6% because infrastructure investment and severance grew faster than revenue. (1 shifted, 1 expanding)
“AWS net sales $27,452 $33,006 ... operating income $10,447 $11,434 ... The increase in AWS operating income ... is primarily due to increased sales, partially offset by spending on technology infrastructure that was primarily driven by additional investments to support AWS business growth and severance costs.”
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