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.
| Micron | Digital Realty Trust | Bloom Energy | |
|---|---|---|---|
| Moat rating | narrow Micron sits in a three-firm DRAM oligopoly (with Samsung and SK hynix), holds "over 60,000 patents" and leading-edge process technology (industry-first 1-gamma EUV DRAM node in FY2025), yet its FY2025 10-K concedes competitors "may use aggressive pricing" and "may have a larger market share," and consolidated gross margin swung from negative 9% (FY2023) to 40% (FY2025) — a real but commodity-cyclical, non-durable advantage. | 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, filed 2026-02-09): a proprietary solid-oxide platform protected by 380 active U.S. utility patents plus 183 pending, with speed-to-power the company says can deliver onsite power 'within approximately 90 days' — real but contested advantages: the same 10-K's Item 1A calls distributed generation and hydrogen 'still emerging markets' whose acceptance is uncertain, and revenue concentration was 43%/13%/12% across three customers in FY2025 (sec.gov/Archives/edgar/data/1664703/000162828026006516/be-20251231.htm). |
| Moat type | intangibles ip The 10-K roots Micron's edge in proprietary technology and IP: "over 60,000 patents" granted as of Aug 28, 2025, "significant investments to develop proprietary product and process technology," the industry's first 1-gamma (EUV) DRAM node, ninth-generation G9 NAND, and HBM4 samples to key AI customers. | 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. | intangibles ip The FY2025 10-K states 'Intellectual property is an essential differentiator for our business' and details 380 active U.S. utility patents, 252 active international patents, trade secrets around cell printing, and a purpose-built copy-exact Newark manufacturing facility — the moat rests on proprietary solid-oxide technology and manufacturing know-how, not network effects or locked-in customers (Item 1, Intellectual Property / Manufacturing Facilities). |
| Leadership | co leader A member of the three-supplier DRAM oligopoly and at the technology frontier (industry-first 1-gamma EUV node), but the smallest of the three by share — the 10-K acknowledges competitors "may have a larger market share" — and a later entrant scaling up in HBM behind SK hynix and Samsung. | 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 Scoped to fuel-cell-based onsite power for datacenters: Energy Changemakers (2026-07-04) positions Bloom as the market leader in fuel-cell deployment for AI datacenters — Brookfield framework expanded $5B→$25B, Oracle up to 2.8 GW, Equinix 100+ MW across 19 US datacenters, AEP gigawatt-scale — with FuelCell Energy the named challenger at smaller aggregate scale (~450/380/360 MW deals). In onsite power broadly (vs. turbines and engines) Bloom is one option among several (energychangemakers.com/fuel-cells-gain-ground-in-data-centers/). |
| Pricing power | weak Memory is a commodity with cyclical ASPs: the 10-K flags "volatility in average selling prices" and competitors' "aggressive pricing" as key risks, and consolidated gross margin swung from -9% (FY2023) to 22% (FY2024) to 40% (FY2025), marking Micron largely as a cyclical price-taker; contract-based, supply-tight HBM is a partial exception. | 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. | moderate Q2 2026 release: GAAP gross margin 33.4%, up 668 bps YoY, with 34.3% non-GAAP and raised FY26 guidance of ~34% non-GAAP gross margin — margin expansion during a supply-constrained turbine market suggests real but cyclical pricing leverage; the FY2025 10-K frames the core competition as grid electricity and combustion OEMs on cost, which caps pricing through the cycle (sec.gov/Archives/edgar/data/1664703/000162828026050150/ex991_q226financialresults.htm). |
| Summary | Micron is one of only three scaled DRAM suppliers (with Samsung and SK hynix) and a leading-edge NAND maker, defended by proprietary product and process technology and more than 60,000 granted patents. In FY2025 it shipped the industry's first 1-gamma (EUV) DRAM production node and sampled HBM4 36GB 12-high to multiple key customers for next-generation AI platforms, evidencing process-technology leadership in AI memory (FY2025 10-K). | 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. | Bloom's edge is a single solid-oxide platform — 'cell printing, stack assemblies, and column configurations' — that serves both the Energy Server and the Bloom Electrolyzer, protected by 380 active U.S. patents and decades of materials know-how (FY2025 10-K, Item 1). Against its practical competition — grid power, gas reciprocating engines, small gas turbines, and other fuel-cell chemistries (PEM/MCFC/PAFC) — the 10-K claims higher efficiency, no combustion, 99.9% fleet availability on post-2020 non-redundant installs, and deployment in weeks-to-months while turbine OEMs are supply-constrained. That time-to-power window is currently being monetized in AI datacenters: the Q2 2026 release (2026-07-28) reported record revenue of $1,065.4M (+165.5% YoY) and management said all major U.S. hyperscalers have 'validated and approved' Bloom, calling it 'a standard for AI onsite power.' The moat is rated narrow, not wide: the 10-K's own risk factors stress that distributed generation is an emerging market with uncertain acceptance, three customers were 43%/13%/12% of FY2025 revenue, and industry coverage (Energy Changemakers, 2026-07-04) shows FuelCell Energy signing deals of comparable scale — the advantage is a technology-and-execution lead that rivals and turbine capacity additions can compress, not a structural lock. |
| Chain position | US-based supplier of the memory tier of the AI stack — DRAM, HBM and NAND; the 10-K notes cloud servers for AI and data-centric workloads "require significantly increasing quantities of DRAM, including HBM," and Micron sampled HBM4 to power next-generation AI platforms. | 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. | Onsite prime-power supplier to AI infrastructure: per the FY2025 10-K, AEP is procuring up to 1 GW of Bloom fuel cells for AI datacenter loads, Brookfield established a financing framework (up to $5.0B over five years at signing, per the 10-K) housed in an AI Infrastructure Fund, and SK ecoplant (a ~2.5% Class A holder) distributes and co-assembles in Korea; the Q2 2026 release adds that all major U.S. hyperscalers plus over a dozen neoclouds, AI labs, and colocation operators have approved Bloom's systems. |
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| Long-horizon vote | +0.05 at weight 0.20 · swarm bullish Editorial prior, not backtested. | +0.17 at weight 0.20 · swarm neutral Editorial prior, not backtested. | +0.20 at weight 0.20 · swarm bullish Editorial prior, not backtested. |