### 1.1 Positioning statement
Amazon is no longer usefully described as a retailer. On FY2025 revenue of USD 716.9 billion it is the largest company in the world by sales, but the economics of the enterprise are governed by three businesses that did not exist at the IPO: Amazon Web Services, which produced 18.0% of FY2025 revenue and 57.0% of FY2025 consolidated segment operating income; advertising services, which grew 22% in FY2025 to USD 68.6 billion at a margin the company declines to disclose but which is structurally superior to first-party retail; and a third-party marketplace that now carries 61% of paid units and monetizes through commissions, fulfilment fees, and ads rather than inventory arbitrage. Retail is the customer-acquisition engine and the logistics moat; AWS and advertising are the profit pools. As of mid-2026 the company is executing the largest single-year capital programme in corporate history — approximately USD 220 billion of 2026 capital expenditure, raised from USD 200 billion in February — financed by more than USD 89 billion of 2026 bond issuance, and has driven trailing free cash flow to an outflow of USD 7.6 billion. The strategic wager is that AI compute demand is durable enough to convert that capital base into a second AWS-scale margin engine.
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### 2.1 The company's own characterization
Amazon states in its earnings releases that it is guided by four principles: customer obsession rather than competitor focus, passion for invention, commitment to operational excellence, and long-term thinking. The company describes its aspiration as being Earth's Most Customer-Centric Company, Earth's Best Employer, and Earth's Safest Place to Work, and identifies as its own inventions customer reviews, 1-Click shopping, personalized recommendations, Prime, Fulfillment by Amazon, AWS, Kindle Direct Publishing, Kindle, Career Choice, Fire tablets, Fire TV, Amazon Echo, Alexa, Just Walk Out technology, Amazon Studios, and The Climate Pledge (Q2 2026 press release, "About Amazon").
In the FY2025 Form 10-K, management frames its financial model around a distinction between variable and fixed costs. Variable costs — product and content costs, payment processing, picking, packing, transportation, customer service, the costs required to run AWS, and a portion of marketing — change directly with volume. Fixed costs — technology infrastructure, store and web-services development, and fulfilment network build-out — are driven by the timing of capacity needs, geographic expansion, and category expansion. The stated objective is to reduce variable cost per unit while leveraging fixed costs across a growing revenue base.
### 2.2 Independent characterization
Amazon operates four economically distinct businesses inside a three-segment reporting structure.
**First-party retail.** Amazon buys inventory and sells it at gross revenue recognition. FY2025 online stores revenue was USD 269.3 billion and physical stores USD 22.6 billion. This is a low-margin, working-capital-negative business: at FY2025 year-end, days payable outstanding of approximately 125 days against days inventory outstanding of approximately 39 days produced a cash conversion cycle of roughly negative 51 days, meaning suppliers finance the inventory. Amazon was named the lowest-priced US retailer by Profitero for a ninth consecutive year, with online prices averaging 14% below other major US retailers (FY2025 Q4 press release; reiterated in Q2 2026).
**Third-party marketplace and fulfilment services.** Amazon rents its demand aggregation, fulfilment, and delivery network to independent sellers, recognizing only commissions and fees as revenue. FY2025 third-party seller services revenue was USD 172.2 billion, and third-party sellers accounted for 61% of worldwide paid units in Q4 2025 and Q2 2026. The revenue is a fraction of the gross merchandise value transacted, but it is materially higher-margin than first-party retail because Amazon carries no inventory risk.
**Advertising.** FY2025 advertising services revenue was USD 68.6 billion, up 22%; Q2 2026 revenue was USD 19.8 billion, up 26%. This is sponsored product placement, display, and video inventory sold to sellers, vendors, publishers and authors. It is a demand-side monopoly rent on the marketplace: sellers who need visibility on Amazon have no substitute channel of comparable intent quality. Amazon does not disclose advertising segment margins, but the business is embedded in North America and International segment income and is the principal reason North America operating margin expanded from 2.6% in FY2021 to 7.0% in FY2025.
**Amazon Web Services.** FY2025 revenue USD 128.7 billion at a 35.4% operating margin; Q2 2026 revenue USD 42.2 billion at a 39.4% operating margin and a USD 169 billion annualized run rate. AWS sells compute, storage, database, networking, analytics, machine learning, and — increasingly — foundation-model access and custom silicon. It is a consumption-priced utility with multi-year committed contracts, and it is the single most important variable in the equity story.
### 2.3 Revenue model mix
Source: FY2021–FY2025 Forms 10-K, Consolidated Statements of Operations. The mix shift from products to services is the single clearest structural signal in Amazon's accounts: 41.3% of FY2025 revenue was gross-recognized product sales versus 51.5% four years earlier. Every incremental point of services mix carries higher gross margin.
### 2.4 Customer types and end-markets
Amazon defines four customer constituencies in its filings: consumers, sellers, developers/enterprises, and content creators. Consumer end-markets span effectively all general merchandise categories plus grocery, pharmacy, and digital media. Seller customers are small and medium businesses and brands worldwide. Enterprise customers of AWS span every vertical: FY2025 and H1 2026 disclosed AWS agreements include OpenAI, Visa, BlackRock, United Airlines, DoorDash, Salesforce, Adobe, Thomson Reuters, AT&T, S&P Global, HSBC, London Stock Exchange Group, Accenture, CrowdStrike, the U.S. Air Force, Warner Bros. Discovery, Vodafone, Siemens Energy, Ryanair, Pinterest, Snowflake, Moody's, Danske Bank, Fiserv, WPP Enterprise Solutions, the NBA, the NFL, the WNBA, the New York State Office of Information Technology Services, the State of Iowa, the University of South Florida, and The University of Utah.
### 2.5 Value chain position
Amazon is unusually vertically integrated for a platform business. It owns the demand aggregation layer (amazon.com and country storefronts), the merchandising and pricing layer, the fulfilment network (fulfilment centres, sortation centres, delivery stations), the middle-mile and last-mile transportation network (Amazon Air, line-haul trucking, Delivery Service Partners, Amazon Flex), the payment layer, the advertising exchange, the cloud infrastructure layer including custom silicon (Graviton, Trainium, Inferentia, Nitro), the device layer (Echo, Fire, Kindle, Ring, eero, Blink), the content layer (Prime Video, MGM, Amazon Music, Audible, Twitch), and — pending completion of the Globalstar acquisition — a satellite connectivity layer. In FY2026 it began selling the fulfilment layer itself as a standalone product through Amazon Supply Chain Services, with Procter & Gamble, 3M, Lands' End, and American Eagle Outfitters as launch customers.
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