Compare moats
Up to three covered companies, band by band. Every call is a curated editorial judgment, never a disclosed figure — and every band carries its cited basis.
| Digital Realty Trust | Netflix | Amazon | |
|---|---|---|---|
| Moat rating | narrow The FY2025 10-K's own competitive record cuts both ways. Item 1 says a "high-quality, highly interconnected global portfolio such as ours could not be easily replicated today on a cost-competitive basis," yet Item 1A concedes that competitors have "significantly greater financial, marketing and other resources and more ready access to capital" and that as rivals keep developing space, "rental rates may be reduced or we may face delays in leasing." A durable advantage that its own filing says new supply can price against is bounded, not unassailable. | narrow FY2025 10-K (Item 1, Competition; filed 2026-01-23) calls the entertainment-video market 'intensely competitive and subject to rapid change,' with rivals holding exclusive content rights, 'large content libraries, and significant financial, marketing and other resources' and low member switching friction (members 'can change their plans at any time'). The offsetting durable advantage is monetized scale: the Q2 2026 shareholder letter (2026-07-16) guides 2026 revenue to $51.0-$51.4B at a 31.5% operating margin for an audience 'approaching 1B people' — a content budget and margin structure no pure-play streaming rival matches. | wide Amazon's FY2025 10-K describes leading positions across e-commerce, AWS cloud computing, advertising, and devices; paired with AWS's #1 ~29% cloud-infrastructure share (Synergy, Q3 2025) and ~40% US e-commerce share (eMarketer), its fulfillment and data-center scale advantages are durable and hard for any single-segment rival to replicate. |
| Moat type | network effects Item 1 attributes the hard-to-replicate part of the portfolio to connectivity rather than to real estate: "the network density, interconnection infrastructure and connectivity-centric customers in certain of our data centers have led to the organic formation of densely connected data communities that are difficult for competitors to replicate." That community sits on over 232,000 cross connects in over 55 metros, so each network and cloud that lands makes the same building worth more to the next tenant. | cost scale Content and technology spend is amortized across the industry's largest paid streaming membership base: the Q2 2026 shareholder letter (2026-07-16) reports members watched 97B+ hours in H1 2026 for an audience approaching 1B people, with Q2 operating margin of 33% — scale that lets Netflix outspend rivals on programming per subscriber dollar. A secondary intangibles layer sits on top: the FY2025 10-K (Item 1) says Netflix regards its copyrights, trademarks and the original content it produces as 'important to our success.' | cost scale Amazon's through-line advantage is scale economics — a fulfillment/logistics network and AWS data-center infrastructure whose fixed costs are spread over volumes competitors cannot match; the FY2025 10-K lists "fast and reliable fulfillment" and scale among principal competitive factors, and AWS's ~35% operating margin ($45.6B operating income on $128.7B revenue, FY2025) reflects that scale edge (marketplace network effects and AWS/Prime switching costs reinforce it). |
| Leadership | co leader Item 1 claims the title of "the largest global provider of cloud- and carrier-neutral data center, colocation and interconnection solutions," but the Competition section names Equinix and NTT as operators of properties "similar to ours in some of the same metropolitan areas," plus Global Switch and regional operators abroad — a shared top tier on the company's own telling, not a solitary one. | clear leader Nielsen's Media Distributor Gauge for May 2026 (published 2026-07-28): Netflix held 8.0% of total US TV watch-time, the largest of any subscription streamer (Amazon Prime Video 4.5%, Roku Channel 3.1%, Paramount 2.3%); YouTube — an ad-supported, largely user-generated platform — led all distributors at 13.8%. | clear leader Leader in cloud infrastructure (AWS #1 at ~29% in Q3 2025 vs Microsoft 20% and Google 13%, per Synergy Research) and in US e-commerce (~40% share, far ahead of #2 Walmart, per eMarketer); #3 in global digital advertising. |
| Pricing power | strong FY2025 renewals signed re-priced upward in every bucket — +27.0% on greater-than-1 MW space ($146 to $186 per square foot), +4.6% on 0-1 MW ($268 to $280) and +43.0% on other ($49 to $71) — and MD&A expects average aggregate rental rates on 2026 renewals to be positive against the rates currently paid for the same space "on a GAAP basis and on a cash basis." On costs, the filing says utilities expense "is our largest expense category" and that "the vast majority of the expense is passed directly through to our customers," which it credits with significantly mitigating exposure to power-cost increases rather than removing it. The cap: Item 1A warns competitor development could still force rates down. | strong Q2 2026 shareholder letter (2026-07-16): H1 2026 price changes 'in markets like the US, Mexico and Spain, have gone well with the impact consistent with prior price changes and our expectations,' and 2026 revenue growth of 13%-14% is guided as 'driven by growth in memberships and pricing' — repeated increases without guided membership damage. | moderate Mixed by segment: retail is explicitly price-competitive — the FY2025 10-K lists "price" among principal competitive factors and notes AWS pricing is shaped by long-term customer contracts — but AWS's ~35% operating margin and recurring Prime price increases evidence real pricing power in cloud and membership. |
| Summary | Digital Realty rents space, power and connectivity rather than compute: at 2025 year-end its portfolio held 310 data centers and roughly 57.6 million rentable square feet across more than 55 metros in over 30 countries, about 84.7% leased, serving more than 5,000 customers. Two different businesses sit inside that footprint. The greater-than-1 MW wholesale side is a capital-and-power race — 769 MW of projects underway with 64% pre-leased, and land that "could accommodate over 3,500 megawatts of additional data center capacity" — where the 10-K names Equinix, NTT, Global Switch and "various private operators" as rivals and warns that added supply can push rents down. The colocation and interconnection side is the defended half: over 232,000 cross connects and the "densely connected data communities" Item 1 says competitors cannot easily replicate, reinforced by contracts the filing describes as generally running 5-10+ years on large deployments and by improvements "installed at our customers' expense." FY2025 leasing supports that read — renewals signed re-priced +27.0% on greater-than-1 MW space and +4.6% on 0-1 MW — while customer concentration is the offsetting exposure, with the largest customer at roughly 11.7% of annualized recurring revenue. | Netflix's advantage is a self-reinforcing scale loop rather than lock-in: the largest paid streaming audience funds the largest content slate, which in turn wins what the 10-K calls 'moments of truth' against every other use of leisure time. The FY2025 10-K is candid that switching costs are low (members can change plans at any time) and that competition spans linear TV, rival streamers, user-generated platforms, gaming and piracy — so the moat is narrow, not wide. What sustains it now is monetization breadth on top of scale: per the Q2 2026 letter, repeated price increases keep landing 'consistent with prior changes and our expectations,' the ads business is on track to roughly double to ~$3B in 2026, live events drove six of the top 10 member sign-up days of the last five years on just over 5% of content spend, and GenAI workflows (used in roughly 300 titles in 2026) are lowering production cost. Nielsen's May 2026 Gauge places Netflix at 8.0% of total US TV time — the largest subscription streamer, though YouTube leads all distributors at 13.8% — which frames the real long-run contest: attention against free, user-generated video, not just against other paid streamers. | Amazon compounds a two-sided marketplace, a Prime membership flywheel, and the world's #1 cloud platform (AWS) into mutually reinforcing scale: per its FY2025 10-K, AWS generated $45.6B of operating income on $128.7B of revenue (~35% margin) and funds retail's low-price strategy, while an unmatched fulfillment network and ~40% US e-commerce share (eMarketer) raise the barrier for any single-segment challenger. |
| Chain position | Landlord to the AI stack — sells the space, power and interconnection that cloud, network and enterprise tenants run compute in (Oracle, IBM, Meta Platforms, AT&T, Comcast and Lumen are among the customers named in Item 1), with roughly 2.9 GW of total in-place IT capacity. | Consumer-facing distributor at the end of the entertainment supply chain: the FY2025 10-K (Item 1) says revenues are 'primarily derived from monthly membership fees,' and Netflix competes two ways — downstream for viewers' leisure time and upstream 'against entertainment video providers and content producers in obtaining content,' both licensed and original; the ads tier adds a second monetization rail on the same distribution asset. | Via AWS — the #1 cloud infrastructure platform — Amazon is a core supplier of compute, storage, and AI/ML services to the broader AI industry (FY2025 10-K; Synergy Q3 2025). |
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| Long-horizon vote | +0.17 at weight 0.20 · swarm neutral Editorial prior, not backtested. | +0.24 at weight 0.20 · swarm neutral Editorial prior, not backtested. | +0.38 at weight 0.20 · swarm bullish Editorial prior, not backtested. |