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.
| FormFactor | Vistra | Iron Mountain | |
|---|---|---|---|
| Moat rating | narrow An independent tracker places FormFactor in a small group of suppliers, but the same tracker expects it to lose the top spot. TrendForce's June 2026 report on the probe card market (Part 2, 2026-06-26, https://www.trendforce.com/research/download/RP260626XO3) says 'FormFactor, Technoprobe, and MJC dominate, while Taiwan's CHPT, MPI, and WinWay gain share riding the AI wave'. It describes the economics as 'Consumable probe tips create a high-margin hardware subscription model; repair and replacement fees are key profit drivers'. Its outlook reads: 'Total revenue is forecast to surge sharply in 2026, with Technoprobe poised to overtake FormFactor as the top global supplier.' FormFactor's own margins over the last three fiscal years do not show exceptional returns. TradingPilot's fundamentals record from the FY2025 10-K (https://www.sec.gov/Archives/edgar/data/1039399/000103939926000009/0001039399-26-000009-index.htm) shows gross profit of $258.6M on $663.1M of revenue in FY2023, $307.9M on $763.6M in FY2024 and $308.9M on $785.0M in FY2025. Gross margin has since risen to 50.7% (GAAP) in Q2 2026. A defended place among three dominant suppliers, but one whose rank is slipping to a rival, is a narrow moat rather than a wide one. | narrow The 10-K states that "the majority of our facilities operate as “merchant” facilities without long-term power sales agreements" and that Vistra is "not guaranteed any rate of return on our capital investments". Against that, the scarcity is real: six NRC-licensed nuclear units totalling 6,448 MW, licences running 2036-2053, inside a 43,641 MW fleet, plus 20-year PPAs with AWS (1,200 MW) and Meta (2,609 MW). The 2025 gas additions - Lotus (2,600 MW, closed October 2025) and pending Cogentrix (5,500 MW) - extend the merchant gas side, not the nuclear scarcity. Only the 433 MW of uprates extends the moat asset. | narrow Iron Mountain's physical-records franchise shows a real switching-cost advantage, but the FY2025 Form 10-K also describes a slowly shrinking need for it, and the growth businesses compete in open markets. On the advantage side, an independent record: the Department of Justice complaint published in the Federal Register on 2016-04-11 (https://www.federalregister.gov/documents/2016/04/11/2016-08210/united-states-v-iron-mountain-inc-and-recall-holdings-ltd-proposed-final-judgment-and-competitive) stated that "Iron Mountain is the largest RMS company in the United States" and that "Taken together, permanent withdrawal fees and other withdrawal restrictions make it difficult for a new RMS entrant to win customers away from existing RMS vendors." The 2025 10-K reports more than 740 million cubic feet stored, says "we have consistently experienced strong customer retention levels", and shows the Global RIM segment's Adjusted EBITDA margin at 44.7% in 2025 against 44.6% in 2024. On the limiting side, Item 1A says "Our Records Management and Data Management service revenue growth is being negatively impacted by declining activity rates as stored records and tapes are becoming less active and more archival" and "A significant shift by our customers to storage of data through non-paper or non-tape-based technologies, whether now existing or developed in the future, could adversely affect our businesses." In data centres the 10-K says it competes with "numerous data center developers, owners and operators, many of whom own properties comparable to ours". A strong, regulator-documented lock-in on a physical market the company itself expects only to hold steady, plus growth arms without that lock-in, is a narrow moat rather than a wide one. |
| Moat type | intangibles ip The tracker locates the advantage in proprietary probe technology. TrendForce's Part 1 report (2026-06-23, https://www.trendforce.com/research/download/RP260623JC3) says 'MEMS has become the mainstream probe process; proprietary tip alloy formulas are now the key differentiator for current capacity and longevity'. FormFactor's own example is SmartMatrix, its full-wafer contactor for high-bandwidth memory (HBM). On the Q1 2026 call (https://www.fool.com/earnings/call-transcripts/2026/04/29/formfactor-form-q1-2026-earnings-transcript/), management called it 'FormFactor's differentiated Smart Matrix full wafer contactor technology'. The consumable-tip model TrendForce describes is a recurring-revenue feature of the product rather than a separate lock-in, so intangibles/IP is the better-supported moat source. | intangibles ip The intangibles are non-replicable regulatory assets rather than patents: six nuclear licences (Comanche Peak 2050/2053, Perry 2046, Davis-Besse 2037, Beaver Valley 2036/2047), fuel "contracted to support all our refueling needs through 2030", section 45U credits "recognizing the value of existing carbon-free nuclear power", and TXU Energy, sold "for over 20 years" and "registered and protected by trademark law". Read 45U as a floor, not moat strength: the 2025 credit was $220m against $545m in 2024, and it "provides increasing levels of support as unit revenues decline". Efficient scale does not apply. | switching costs The advantage is the cost and friction of moving stored records. The 10-K's Item 1A says that "if we are successful in winning record storage customers from competitors, the process of moving their stored records into our facilities is often costly and time consuming", and its notes record payments made "to a customer in order to terminate the customer's storage of records with its current records management vendor" as customer inducements. The DOJ complaint (https://www.federalregister.gov/documents/2016/04/11/2016-08210/united-states-v-iron-mountain-inc-and-recall-holdings-ltd-proposed-final-judgment-and-competitive) describes the mechanism: "Customer contracts also often impose a cap on the number of boxes per month that a customer may permanently remove from a RMS vendor's facility, such that a switch to a new RMS vendor may take several months to complete", and a new vendor "will have to offer to pay the fees to induce the customer to switch". Scale helps, since the 10-K says "the majority of our competitors operate in only one market or region", but the filing's own account of what keeps customers is retention and the cost of leaving, which makes switching costs the primary source. |
| Leadership | co leader TrendForce's Part 2 report (2026-06-26) names 'FormFactor, Technoprobe, and MJC' as the dominant suppliers and says 'Total revenue is forecast to surge sharply in 2026, with Technoprobe poised to overtake FormFactor as the top global supplier', which implies FormFactor holds the top rank now and that TrendForce expects it to lose that rank. In logic, the rival reports a large position. Technoprobe's May 2026 company presentation (https://www.technoprobe.com/wp-content/uploads/2026/05/Technoprobe-Company-Presentation-May-2026.pdf, citing Yole's Q3 2024 test consumables monitor) gives Technoprobe 'Market Share: 34%' of the $1.6 billion 2024 logic probe card market and 60% of the $937 million MEMS logic probe card market. TrendForce gives no percentage for FormFactor. A shared front rank, with the overall lead forecast to pass to Technoprobe, is co-leadership. | co leader Vistra describes itself as "one of the largest producers of power in deregulated markets in the U.S." with over 230 TWh generated, "one of the largest competitive power generators in the U.S. as measured by MWh of generation capacity", "one of the largest electricity generators in the U.S.", and "one of the largest competitive residential retail electricity providers". That hedged phrasing appears four times and is the strongest claim the filing makes. The 10-K names no competitor and assigns no rank, so co-leader is the ceiling the disclosure supports. | clear leader The band applies to records management, the Global RIM segment that produced $5,291,481 thousand of 2025's $6,901,737 thousand revenue. Independent evidence: the DOJ complaint published in the Federal Register on 2016-04-11 (https://www.federalregister.gov/documents/2016/04/11/2016-08210/united-states-v-iron-mountain-inc-and-recall-holdings-ltd-proposed-final-judgment-and-competitive) stated "Iron Mountain is the largest RMS company in the United States", with fiscal 2014 worldwide revenues of "approximately $3.1 billion", and called Recall, with 2014 revenues of "approximately $836.1 million", "the second-largest RMS company in the United States"; the FY2025 10-K lists property "acquired in connection with our acquisition of Recall Holdings Limited". The 2025 10-K adds, in the company's own words, that "the majority of our competitors operate in only one market or region". The independent source is from 2016 and covers the United States only. Iron Mountain did go on to acquire Recall, but the proposed final judgment in the same notice required it to divest "Recall RMS assets in all fifteen geographic markets identified in the Complaint", thirteen of them to Access CIG, which the notice called "currently the third-largest RMS provider in the United States", so Recall's business was not absorbed whole. This leadership does not extend to data centres, where the Global Data Center segment's $803,429 thousand of 2025 revenue compares with total revenue of $9,217,000,000 at Equinix (https://www.sec.gov/Archives/edgar/data/1101239/000110123926000032/0001101239-26-000032-index.htm) and $6,112,692,000 at Digital Realty (https://www.sec.gov/Archives/edgar/data/1297996/000110465926015365/0001104659-26-015365-index.htm) in stored fundamentals from their FY2025 10-Ks. |
| Pricing power | moderate Gross margin sat near 39-40% for three years, per TradingPilot's fundamentals record from the FY2025 10-K ($258.6M on $663.1M, $307.9M on $763.6M and $308.9M on $785.0M for FY2023-FY2025). It then jumped. The Q2 2026 results release (https://seekingalpha.com/pr/20600102, 2026-07-29) reports GAAP gross margin of 50.7%, against 38.4% in Q1 2026 and 37.3% in Q2 2025, and guides Q3 2026 to 52.0% plus or minus 1.5%. Management attributes the gain to cost and yield rather than price. On the Q1 2026 call it said 'pricing really is not a driver of the gross margin improvement. It's COGS reduction and our operations team continuing to improve yields and cycle times'. TrendForce describes consumable probe tips as 'a high-margin hardware subscription model'. Margins are higher now, but FormFactor itself does not credit price for the improvement. | weak Vistra is a merchant price taker. Price formation rests on "the highest variable cost unit that clears the market", prices are "unpredictable and may fluctuate substantially", hedging markets have "limited liquidity after two to three years", and competing retailers "may offer different products, lower electricity prices and other incentives". ERCOT's $2,000/MWh figure is the low system-wide offer cap, applied conditionally when the peaker net margin exceeds three times CONE or under the PUCT Emergency Pricing Program, not a standing cap. PJM has "announced that it would propose" extending its capacity cap to 2028-29 and 2029-30, subject to FERC approval. | strong In records, growth comes from price on steady volume. MD&A attributes Global RIM "organic storage rental revenue growth driven by revenue management" (organic storage rental growth of 5.4% in 2025), while Item 1A says volumes "were relatively steady in 2025" and "Our organic revenue growth has been positively impacted by our ability to effectively introduce, expand and monitor revenue management. If we are not able to continue and effectively manage pricing, our results of operations could be adversely affected". The segment's Adjusted EBITDA margin was 44.7% in 2025 against 44.6% in 2024. In data centres MD&A cites "improved pricing" and "a 620 basis point increase in Adjusted EBITDA Margin reflecting recent lease commencements, improved pricing and cost containment", to 51.8% from 45.6%. The limits: Item 1A says that on power costs "we may be limited in our ability to, or may not always choose to, pass these increased costs on to our customers", and the 2016 DOJ complaint (https://www.federalregister.gov/documents/2016/04/11/2016-08210/united-states-v-iron-mountain-inc-and-recall-holdings-ltd-proposed-final-judgment-and-competitive) found that where Iron Mountain and Recall met, they "competed aggressively against one another for customers, resulting in lower prices for RMS". Adjusted EBITDA margin is a non-GAAP measure, and the Q2 2026 release (https://s204.q4cdn.com/148941814/files/doc_financials/2026/q2/FINAL-Q2-2026-Earnings-Press-Release.pdf) shows it at 35.8% for the company against 36.7% a year earlier. |
| Summary | FormFactor makes probe cards, the consumable interfaces used to test chips at wafer level, for foundry and logic customers and for DRAM including HBM. It also has a Systems business, whose co-packaged-optics probing products management said on the Q1 2026 call were ramping. TrendForce's June 2026 probe card reports name FormFactor, Technoprobe and MJC as the dominant suppliers. They say MEMS probes are now mainstream, with 'proprietary tip alloy formulas' the key differentiator. They describe consumable probe tips as 'a high-margin hardware subscription model', with order visibility stretching 'from one quarter to up to two years'. FormFactor is benefiting: Q2 2026 revenue was $258.2 million, up 31.9% year over year, and GAAP gross margin was 50.7% against 37.3% a year earlier. On the Q1 2026 call, management said a second HBM customer was increasing adoption of SmartMatrix, and that networking probe cards had made a leader in high-performance compute a 10% customer. The limits are competitive. TrendForce forecasts that Technoprobe will overtake FormFactor as the top global supplier in 2026, and says Taiwanese suppliers CHPT, MPI and WinWay are gaining share. Technoprobe's May 2026 presentation, citing Yole, puts its own share at 34% of the 2024 logic probe card market and 60% of MEMS logic probe cards. | Vistra's moat is one scarce asset wrapped in a commodity business. Six NRC-licensed nuclear units - 6,448 MW, licences running 2036-2053 - sit inside a 43,641 MW fleet that the 10-K says operates in the majority as "merchant" facilities with no long-term power sales agreements and no guaranteed rate of return. That block cannot be rebuilt by a rival, and is now partly de-risked by 20-year PPAs with AWS (1,200 MW from Comanche Peak) and Meta (2,609 MW from the PJM plants) plus section 45U credits. Everything else - 26,989 MW of gas, 8,743 MW of coal, the 5m-customer retail book - competes on price in markets Vistra does not set, against entrants the filing says keep building "despite relatively low power prices". The 2025 growth was gas M&A (Lotus, pending Cogentrix), which widens the commodity-exposed side. Narrow, for a specific reason: the moat is 15% of the fleet. | Iron Mountain stores and manages physical records for, per its FY2025 10-K, more than 240,000 customers in 61 countries, "including approximately 95% of the Fortune 1000", with "no single customer accounting for more than approximately 3% of revenue". Revenue was $6,901,737 thousand in 2025, of which the Global RIM segment contributed $5,291,481 thousand and the Global Data Center segment $803,429 thousand. The records business is the moat. Storage rental agreements "generally range from one to five years in length", the company says it has "consistently experienced strong customer retention levels", and a 2016 Department of Justice complaint described Iron Mountain as "the largest RMS company in the United States" and permanent withdrawal fees as a barrier to rivals winning customers. That lock-in shows up as pricing: MD&A attributes Global RIM storage growth to "revenue management" while Item 1A says volumes "were relatively steady in 2025". The threat is substitution: activity is declining as records become "less active and more archival", and a shift to non-paper storage "could adversely affect our businesses". The growth arms sit outside that moat. The company operated 31 data centers across 21 markets with 488 MW of capacity approximately 97% leased and a weighted average lease expiration of 10.3 years, counts "five of the largest global hyperscalers among our customers", and on 2026-08-05 reported data center leasing of 110 megawatts year to date and second-quarter revenue of $2.0 billion, up 18.5%. But in data centres it competes with operators owning "properties comparable to ours", and in asset lifecycle management with hyperscalers' own programmes. A durable switching-cost franchise in a market expected only to hold steady, funding growth businesses that compete on power, location and price, is a narrow moat. |
| Chain position | A wafer-test consumables supplier between chipmakers and tester makers. Its customers include HBM and DRAM makers and foundry/logic chip designers. TrendForce's Part 1 report (2026-06-23) says 'Advantest and Teradyne have taken stakes in Technoprobe, FormFactor, and MJC, signaling accelerated vertical integration ahead.' | Merchant IPP: sells energy, capacity and ancillary services into ISO/RTO spot and short-term wholesale markets (ERCOT, PJM, ISO-NE, NYISO, CAISO, MISO) and resells to ~5m retail customers. Emerging role as long-term nuclear offtake supplier to hyperscalers (AWS, Meta). Not a price setter at any link. | In the AI build-out Iron Mountain is a landlord and a recycler. It leases data center capacity to hyperscale customers, with "five of the largest global hyperscalers among our customers", and its ALM business "provides hyperscale and corporate IT infrastructure managers with services and solutions that enable the decommissioning, data erasure, processing and disposition, and recycling or sale of IT hardware and component assets". Upstream, Item 1A says "We rely on third parties to provide power to our data centers" and that construction depends on "one or more design firms, general contractors, and associated subcontractors". |
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| Long-horizon vote | +0.13 at weight 0.20 · swarm neutral Editorial prior, not backtested. | +0.05 at weight 0.20 · swarm neutral Editorial prior, not backtested. | +0.24 at weight 0.20 · swarm neutral Editorial prior, not backtested. |