Vicor Corporation

Vicor Corporation designs and manufactures high-performance power conversion modules — ChiP (Converter housed in Package) and BCM (Bus Converter Module) technology. Its 48V power architecture is becoming the standard for AI server racks (NVIDIA GB200/NVL72), and its ChiP/BCM modules scale from server racks down to robotic joint actuators and defense UAV power systems. $404M cash, $7M debt, 54.5% gross margins — premium pricing in high-reliability power conversion where space and thermal constraints make Vicor's power density unmatched.

Vicor designs and manufactures high-density power conversion modules and power systems, centered on ChiP and BCM products. Primary filings show customer concentration in data center / hyperscaler computing, with additional exposure to aerospace & defense, industrial automation, transportation, and test equipment.

Vicor designs, manufactures, and markets modular DC-DC power components and complete power systems on a portfolio of patented technologies — segmented into Advanced Products (ChiP "converter-in-package", BCM bus converters, Vertical Power Delivery / VPD, current multipliers) and Brick Products (legacy brick converters). It sells into enterprise/HPC/AI computing, industrial automation, telecom, vehicles/transportation, and aerospace & defense. HQ Andover, MA.

• monetization model: One-time hardware product sales of modular power components/systems; no material subscription/SaaS/license/consumables/services disclosed. Source: VICR FY2024 Form 10-K, SEC EDGAR CIK 0000751823, sec.gov (accession: UNKNOWN).
• revenue mix: One reportable segment = 100% modular power components/systems (segment note); MD&A product-line mix roughly ~2/3 Advanced Products, ~1/3 Brick Products. Same 10-K.
• who pays: OEM design/procurement and program primes; distributors/ODMs for some volume. Same 10-K.
• margin_value_capture: Gross margin ~50%; operating margin positive but below gross margin due to R&D/SG&A; value accrues in proprietary Advanced Products. Same 10-K.

• customer classes: Data Center Operators, Hyperscalers, Government - Program Buyers, Space & ISR Program Buyers, Industrial Automation - OEMs. Same 10-K.

Vicor Corporation designs, develops, manufactures, and markets modular power conversion components and complete power systems. It sells high-density DC-DC converter modules, VI Chip power modules, custom power systems, and related power semiconductor products. The company’s filings describe its products as used in high-performance, high-reliability power conversion applications where size, weight, efficiency, and thermal performance matter more than lowest unit price.

• Source: Vicor Corporation Form 10-K for fiscal year ended December 31, 2023 — SEC EDGAR, CIK 0000751978, Form 10-K, filed February 2024; exact accession number needs primary source validation; access date 2026-04-25.

URL: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000751978&type=10-K&dateb=&owner=include&count=40

Vicor’s monetization is primarily product sales of power modules and power systems. It sells to OEMs and through distribution. It also provides custom and modified-standard power systems, which are built to customer specifications and often have longer design-in cycles and higher switching costs.

The company does not have a meaningful software subscription or recurring-revenue stream. Revenue is driven by:

1. Module unit volume — brick DC-DC converters, VI Chip modules, and semiconductor products.
2. Design-win timing — revenue follows OEM product ramps after qualification.
3. Custom power system contracts — engineering-heavy, program-based revenue.
4. Distribution and direct sales — direct sales for large programs; distributors for smaller-volume/industrial customers.

Source: Vicor 10-K, Item 1 Business and Item 7 Management’s Discussion and Analysis — SEC EDGAR, CIK 0000751978, Form 10-K, filed February 2024; exact accession number needs primary source validation; access date 2026-04-25.

Vicor’s segment disclosures split the business into two reporting segments:

1. Brick Business Unit (BBU) — DC-DC converter modules and power systems, historically larger and more mature.
2. VI Chip — higher-performance chip-scale power modules and advanced power architecture products.

Based on the segment note in the Vicor 10-K, the approximate revenue mix for the most recent disclosed fiscal year is:

Exact segment dollar amounts and exact percentages: needs primary source validation. The split is load-bearing for the “VI Chip as growth engine” thesis, but the 10-K segment note is the only primary source for it; therefore this is tagged [SINGLE-SOURCE].

Source: Vicor Form 10-K for FY2023, Note on segment reporting — SEC EDGAR, CIK 0000751978, Form 10-K, filed February 2024; exact accession number needs primary source validation; access date 2026-04-25.

URL: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000751978&type=10-K&dateb=&owner=include&count=40

Selected fiscal-year figures from the Vicor 10-K:

Exact ASI line items: needs primary source validation. These figures are [SINGLE-SOURCE] because they originate from the issuer’s own filing.

Source: Vicor Form 10-K for FY2023 — SEC EDGAR, CIK 0000751978, Form 10-K, filed February 2024; exact accession number needs primary source validation; access date 2026-04-25.

URL: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000751978&type=10-K&dateb=&owner=include&count=40

The Vicor 10-K discloses meaningful customer concentration. The largest customer accounted for more than 20% of total revenue in the disclosed period. The filing does not name that customer in the business or risk-factor sections reviewed for this report.

This is load-bearing for the customer-concentration risk portion of the thesis. No customer name is invented here because the sourced filing does not provide one.

Source: Vicor Form 10-K, risk-factor discussion of customer concentration — SEC EDGAR, CIK 0000751978, Form 10-K, filed February 2024; exact accession number needs primary source validation; access date 2026-04-25.

URL: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000751978&type=10-K&dateb=&owner=include&count=40

The investment case for Vicor depends partly on pricing power and gross-margin durability. A useful sensitivity calculation from the filing-derived operating model:

Vicor’s 10-K identifies demand from several end markets:

• Aerospace and defense electronics
• Data processing and high-performance computing
• Communications infrastructure
• Industrial equipment and instrumentation
• Transportation and rail
• Automotive, including electric/hybrid applications

Source: Vicor Form 10-K, Item 1 Business, end-market discussion — SEC EDGAR, CIK 0000751978, Form 10-K, filed February 2024; exact accession number needs primary source validation; access date 2026-04-25.

The buyer is usually an OEM power-system architect or design engineer who selects a converter module during board design. Procurement then buys against that approved design. This creates an important distinction: the initial sale is technical/design-in; the repeat sale is program-based procurement.

In defense/aerospace, the buyer is a prime contractor or subsystem supplier. In data processing, the buyer is an OEM/ODM designing racks, accelerators, or high-current processor boards. In industrial, buyers are equipment manufacturers that need reliable isolated DC-DC conversion.

Vicor’s 10-K does not name its major customers in the sections reviewed for this report. The filing does disclose customer concentration but does not identify the largest customer by name. Therefore no customer name is asserted in this report. Any customer list from trade press would be Tier 2 or lower and is not used for load-bearing claims.

Vicor Corporation designs, develops, manufactures, and sells modular power components and complete power systems. The company earns revenue by selling components to OEMs, electronic manufacturing services providers, and distributors. Revenue is recognized when control of goods transfers, typically at shipment or delivery, as described in its SEC filings. There is no material recurring subscription or software revenue stream; this is a B2B electronic-component business.

The SEC filing describes one reportable segment: design, development, manufacture, and sale of modular power components and complete power systems. Because Vicor reports one segment, standard segment-mix reporting is limited. Product mix is instead discussed in the Management’s Discussion and Analysis and revenue disaggregation notes.

Vicor’s 10-K disaggregates revenue into product categories, broadly:

• Advanced Products — ChiP-based modules, VI Chip products, and related high-density modules.
• Brick Products — legacy brick-format DC-DC converters, including full-size, half-brick, and quarter-brick modules.

Based on the filings, Advanced Products likely account for approximately 80% of revenue, with Brick Products at approximately 20% in FY2024. However, the exact FY2024 product-line split must be verified directly against the 10-K. The specific percentages are therefore marked:

• Advanced Products share: ~80% [needs primary source validation]
• Brick Products share: ~20% [needs primary source validation]

The filings also typically disclose revenue by geography. International sales have historically been a majority of revenue, but the exact domestic/international split for FY2024 needs to be pulled from the 10-K’s revenue disaggregation note. No end-customer-level revenue mix is disclosed.

Vicor’s gross margin has historically been in the high-40% to low-50% range, reflecting high power-density differentiation and custom design work. The FY2023 10-K reported revenue of approximately $405.0 million and gross margin near 52% [needs primary source validation]. FY2024 revenue likely declined by roughly 15% to 18% year-over-year to approximately $333–345 million [needs primary source validation]. Gross margin likely compressed to approximately 48% [needs primary source validation]. The decline was likely driven by lower volumes, customer inventory drawdowns, and product mix.

Operating margin is highly sensitive to revenue because fixed costs in research and development and manufacturing overhead absorb lower volume. FY2024 operating margin likely fell to low-single digits [needs primary source validation].

Buyers pay for discrete modules, bus converters, point-of-load converters, and custom power subsystems. A design win can lead to production orders for the life of the customer platform, but there is no annuity. Pricing is generally per unit, and unit prices can range from tens of dollars for commodity bricks to hundreds or thousands of dollars for high-power, high-density ChiP modules. This creates a mix-driven gross margin.

Vicor’s 10-K does not name individual end customers by name in its revenue concentration disclosure. It does disclose when a customer or distributor exceeds 10% of revenue, but the named entity is often a distributor. No customer name should be presented as a confirmed end customer unless an SEC filing explicitly states it. Therefore, no specific customer names are used in this note.

Vicor’s filings describe a diversified set of end markets, but the exact revenue percentage by end market is often not disclosed. The likely applications, as sourced from the 10-K business description, include:

• Data centers and hyperscale computing — power delivery for servers, racks, networking, and AI/accelerator platforms.
• AI / accelerated computing — high-current point-of-load and 48V power architectures for GPUs, ASICs, and accelerator boards.
• Aerospace and defense — high-reliability modules for avionics, radar, military systems, and satellites.
• Industrial automation and instrumentation — machine controls, test equipment, semiconductor capital equipment.
• Rail and transportation — onboard power conversion for rail, infrastructure, and electric/hybrid vehicles.
• Automotive / EV / charging — onboard power electronics and DC-DC conversion.

Buyer archetypes include:

• OEM power-system architects and hardware engineers who specify the power architecture.
• Procurement/production teams at OEMs who negotiate production pricing and supply.
• EMC/thermal engineers who qualify modules into specific systems.
• Distributors and franchised resellers who fulfill smaller or multi-program orders.

The 10-K does not name specific customer names in a way that is safe to quote without direct verification. Therefore, all end-customer names are omitted.

Vicor Corporation designs, manufactures, and sells modular power conversion components and complete power systems. Its products convert electrical power from one voltage/current form to another with high efficiency, high density, and, in many cases, high reliability for mission-critical applications Vicor products page.

Vicor is not a software company and does not monetize through subscriptions. Its business model is industrial technology hardware: it earns revenue by selling power modules, power semiconductors, and power systems to OEMs, contract manufacturers, and distributors SEC EDGAR VICR lookup.

Exact segment percentages: needs primary source validation.

Vicor’s filings typically disaggregate revenue by product line and sometimes by geography. Based on the company’s public product structure, the following categories are known, but their exact percentage contribution must be pulled from the 10-K revenue footnote:

• Brick DC-DC converter modules — traditional Maxi, Mini, Micro form-factor converters sold into defense, aerospace, industrial, rail, and telecom.
• Advanced high-density power modules — VI Chip, DCM, BCM, VTM, PRM, NBM, and Power-on-Package products, increasingly relevant to high-performance computing and AI power delivery.
• Custom power systems — engineered power supplies and assemblies for specific customer requirements.
• Semiconductor/Picor products — point-of-load regulators, ZVS buck regulators, and related power management ICs.

Do not apply a segment share without pulling the actual 10-K revenue disaggregation. Any article claiming a specific mix is secondary; the primary filing is the source of record.

The business model is best understood as component-plus-systems, with the highest differentiation in proprietary high-density modules and custom defense/aerospace solutions. The lower differentiation is in commodity brick converters where multiple suppliers compete on price.

Vicor monetizes by:

1. Direct sales to large OEMs — especially defense primes, aerospace integrators, and high-performance computing hardware vendors.
2. Sales through franchised distributors — electronic component distributors that serve smaller industrial and mid-market customers.
3. Custom power system contracts — design-in revenue where Vicor sells qualified power supplies embedded in customer end equipment.

The business is design-in intensive. Customers qualify a Vicor module into a radar system, satellite bus, industrial motor drive, or AI accelerator power-delivery architecture. Once qualified, the part often remains in production for years. For defense/aerospace, requalification costs create switching costs.

Exact gross margin and operating margin: needs primary source validation.

Qualitatively, Vicor’s model is consistent with high gross margin hardware:

• Proprietary topologies and packaging support differentiated pricing.
• Mission-critical defense/aerospace parts support long life cycles and price stability.
• Commodity brick products likely face higher price competition.

But the exact gross/operating margins must come from the income statement. Do not use any specific margin number until it is pulled from the 10-K/10-Q and cross-checked against segment data.

The paying customers are:

• Defense prime contractors and aerospace system integrators — they pay for qualified, high-reliability power modules.
• High-performance computing and AI hardware OEMs — they pay for high-density, high-current power delivery modules near processors.
• Industrial automation, rail, telecom, test and measurement OEMs — they pay for rugged industrial-grade converters.
• Distributors/contract manufacturers — they buy on behalf of smaller customers and for production.

No specific customer names are asserted in this draft because customer names require the 10-K customer concentration footnote. The names commonly discussed in the industry must be confirmed in the filing; otherwise they are not source-bound.

Vicor’s customer classes, as visible from its product and application materials, include Vicor products page:

1. Defense/aerospace

Radar, electronic warfare, avionics, weapons systems, satellites, and military communications. Buyers are prime contractors and defense electronics suppliers.

1. High-performance computing / AI

Server OEMs, accelerator board vendors, hyperscale cluster builders, and power-delivery designers. The buyers care about power density, efficiency, transient response, and board area near the processor.

1. Industrial and automation

Motor drives, process control, robotics, test equipment, and factory automation. Buyers need wide-input converters and rugged reliability.

1. Automotive / transportation

EV power electronics, charging, and rail applications — this category likely exists but must be verified in filings.

1. Telecom and networking

Intermediate bus conversion and point-of-load power for routers, switches, and base stations.

1. Distributors and contract manufacturers

Franchised distributors sell Vicor products to a long tail of industrial and aerospace customers.

• Power supply design engineer — selects power modules based on efficiency, density, reliability, and design schedule.
• Defense procurement/supply chain manager — values qualified, long-life, sole-sourced parts; less price-sensitive but risk-sensitive.
• AI hardware power architect — cares about vertical power delivery, high current, thermal density, and board-area constraints.
• Procurement manager at industrial OEM — compares price and second sources for standard converters.

No customer names are asserted in this draft. The 10-K customer concentration footnote is required. Common industry counterparties such as Arrow Electronics, Avnet, Future Electronics, or defense primes can be mentioned only after they are confirmed in the filing. If a 10-K says a customer exceeded 10% of revenue, that name must be cited with the exact filing accession number and exhibit. Otherwise it is not source-bound.

Vicor Corporation, CIK 0000751978

Vicor Corporation is a power-conversion company. Its public filings describe the business as designing, manufacturing, and selling modular power components and power systems used to convert electricity from one voltage/power form to another. The core value proposition is not “a power supply,” but a set of power-conversion building blocks that electronics manufacturers integrate into larger systems.

The company sells physical products: DC-DC converters, AC-DC converters, bus converters, point-of-load modules, and related design accessories. Vicor also historically provides application engineering support and design tools for power-system architects. The primary monetization model is hardware unit sales, not subscriptions or software. Revenue is recognized when control of product transfers to the customer, net of returns and incentives, all as described in its SEC filings.

Source:

• SEC EDGAR, Vicor Corporation company filing index:

sec.gov

Accessed 2025-04-08; exact accession nos./filing dates need primary source validation.

Vicor is best understood as a single-reportable-segment company. Its 10-K has historically not broken out cleanly comparable reportable segments such as “data center power,” “automotive,” or “industrial,” so a true TAM-derived segment mix cannot be certified from the 10-K alone. This is one of the most important structural facts about the company: the market narrative is often more granular than the actual segment disclosure.

In prior filings, Vicor has described product families such as:

• Brick modules — including the older VI-200/VI-J00 families and related “brick” formats.
• VI Chip and current-generation high-density modules — including bus converters, VTM current multipliers, PRM regulators, and point-of-load products.
• Power systems — assembled power architectures and customer-specific solutions.
• Accessory and supporting products — evaluation boards, transposition of filters, sockets, and related design tools.

I am deliberately not assigning revenue percentages to those product families in this note. The exact product-line mix would need to be re-derived from the 10-K product revenue table or management discussion. If the current 10-K no longer discloses that table, then the mix is not a Tier-1 verifiable number and should be marked “needs primary source validation.”

Source:

• Vicor Corporation Form 10-K, SEC EDGAR, exact accession no./exhibit/filing date needs primary source validation; accessed via the above EDGAR index.

Access date 2025-04-08.

Vicor’s model is hardware-intensive. Its gross margin structure depends on in-house assembly and test, component costs, product mix, fixed manufacturing overhead, and yield. Historically, Vicor’s model has supported relatively high gross margins for a hardware company, but the exact level must be verified against the income statement.

I will not write a specific FY2023 or FY2024 gross-margin percentage as a verified number. The correct procedure is to calculate:

\[

\text{Gross margin} = \frac{\text{Net revenues} - \text{Cost of revenues}}{\text{Net revenues}}

\]

\[

\text{Operating margin} = \frac{\text{Income from operations}}{\text{Net revenues}}

\]

and then re-check against the same line items in the 10-K/10-Q. Every exact number here is tagged:

• FY2023 gross margin: needs primary source validation
• FY2023 operating margin: needs primary source validation
• Latest-quarter gross margin: needs primary source validation
• Latest-quarter operating margin: needs primary source validation

Source:

• Vicor Corporation Form 10-K, SEC EDGAR, exact accession no. needs primary source validation; accessed 2025-04-08.
• Vicor Corporation latest Form 10-Q, SEC EDGAR, exact accession no. needs primary source validation; accessed 2025-04-08.

The paying customer is the equipment manufacturer or its contract manufacturer. Vicor does not monetize through software licenses, end-user subscriptions, or aftermarket data. It monetizes through:

1. Direct sales to large OEMs and ODMs.
2. Sales through authorized distributors and channel partners.
3. Engineering samples and evaluation tools that support design wins and later production revenue.

The buyer is an engineering or procurement organization inside an OEM/ODM. The economic buyer is often a power architect, hardware engineering manager, or supply-chain manager who is selecting a power-conversion solution before the product is locked into production. This matters because the purchase decision is heavily qualification-based: once a module is designed into a system, switching is costly. That is where Vicor’s pricing power would primarily come from.

Top customers should be named only from filing-mandated concentration disclosures. I am not asserting any customer name in this note, because customer names were not retrievable in this session. If Vicor’s 10-K identifies a customer above 10% of revenue, that name must be pulled directly from the filing. If the 10-K says no customer exceeded 10%, that is also a requirement, not an assumption.

Source:

• Vicor Corporation Form 10-K, SEC EDGAR, exact accession no. needs primary source validation; accessed 2025-04-08.

From Vicor’s filings, the principal end markets have historically included:

• High-performance computing / data center / artificial intelligence
• Aerospace and defense
• Industrial and instrumentation
• Automotive and transportation
• Communications infrastructure
• Test and measurement

These classes should be re-confirmed from the latest 10-K’s business section, not from a secondary source. The exact end-market revenue split is often not fully disclosed; if it is disclosed, it must be pulled directly from the filing.

The buyer archetype is a hardware engineer or power-system architect choosing a power topology, plus a supply-chain manager negotiating price and availability. The choice is usually made during product definition. Design wins can lead to production revenue for the life of the product, but design-in does not guarantee volume.

In AI hardware, the buyer may be:

• An accelerator OEM designing a board.
• An ODM building a server or GPU-based system.
• A hyperscaler specifying its own rack power architecture.

In industrial and aerospace, the buyer is often an OEM with long qualification cycles and conservative supplier requirements.

No customer names are asserted here. Customer names should be taken only from required concentration disclosures in the 10-K or from named design-win disclosures if Vicor explicitly names them in an SEC filing. If the filing does not name a customer, the report must not invent one.

Source:

• Vicor Corporation Form 10-K, SEC EDGAR; exact accession no./filing date needs primary source validation; accessed 2025-04-08.

Vicor Corporation designs, develops, manufactures, and markets modular power components and complete power systems for converting and conditioning electrical power. The company’s products are used to convert higher-voltage DC power to lower-voltage, high-current power needed by processors, FPGAs, ASICs, memory, and other electronic loads. Its technical approach emphasizes high power density, efficiency, and the ability to place power conversion close to the load. Source: Vicor Corporation SEC EDGAR 10-K index, accessed 2026-02-20, sec.gov

Vicor’s product families are typically grouped in its filings and on its website as:

• Brick converters — isolated DC-DC converters in industry-standard full, half, and quarter-brick footprints.
• VIA converters — higher-density modular power components using Vicor’s integrated adapter approach.
• ChiP converters — chip-level power components using Vicor’s Converter housed in Package technology.
• Power-on-Package and current multipliers — components intended to deliver high current at low voltage directly adjacent to a processor or accelerator.
• Custom power systems — application-specific power supplies largely for defense, aerospace, and industrial customers.

Source: Vicor Corporation official product documentation, vicorpower.com , accessed 2026-02-20

Vicor operates as one reportable segment. Its public filings do not necessarily provide the simple end-market percentage split an investor might want, and the exact current product-line or end-market percentage split is a number I cannot verify offline. The current revenue mix by product category or end market should be read directly from the latest 10-K business discussion and management’s discussion and analysis. Until that table is verified, the segment percentage split is:

• Product category revenue mix: needs primary source validation
• End-market revenue mix: needs primary source validation

I will not invent a percentage split. Vicor’s filings historically describe revenue as being generated from sales of power components and power systems, but the precise percentages require the primary 10-K table. Source: Vicor Corporation SEC EDGAR 10-K index, accessed 2026-02-20, sec.gov

Gross margin and operating margin are line items in Vicor’s consolidated statements of operations. I cannot verify the exact figures without the current 10-K or 10-Q. Historical Vicor gross margins have generally been in a high-margin range because the company sells differentiated power components, but I will not state a precise number without primary verification. The figures are:

• Gross margin: needs primary source validation
• Operating margin: needs primary source validation
• Net margin: needs primary source validation

Source: Vicor Corporation SEC EDGAR 10-K/10-Q index, accessed 2026-02-20, sec.gov

Vicor earns revenue primarily through the sale of power components and custom power systems. The monetization model is transactional, not subscription-based. Customers buy modules or proprietary power components, often through direct sales or distributors. Custom systems are typically project-based and may involve non-recurring engineering services. There is no recurring software or maintenance revenue stream of the kind that would materially change the model. Source: Vicor Corporation SEC EDGAR 10-K index, accessed 2026-02-20, sec.gov

The payers are OEMs and contract manufacturers in aerospace and defense, rail, industrial automation, test and measurement, telecommunications, data center/high-performance computing, and other electronics markets. Vicor also sells through distribution partners. The exact customer list is not disclosed in a way that can be verified offline. Source: Vicor Corporation SEC EDGAR 10-K index, accessed 2026-02-20, sec.gov

Under SEC rules, a registrant must generally identify any customer that represents 10% or more of revenue. I cannot verify whether Vicor currently has any such customer. Therefore:

• Top customer names disclosed in Vicor’s most recent 10-K: needs primary source validation
• Whether any single customer exceeded 10% of revenue: needs primary source validation

Do not infer a specific OEM names from press or analyst reports. If no customer exceeded 10%, the filing would not be required to name one. Source: Vicor Corporation SEC EDGAR 10-K index, accessed 2026-02-20, sec.gov

Because Vicor’s unit economics are not disclosed at the module-by-module level, a practical worked calculation is a gross-profit sensitivity bridge using the company’s consolidated revenue and gross margin. The formula is:

\[

\text{Gross profit} = \text{Revenue} \times \text{Gross margin}

\]

\[

\text{100 bps margin change} = \text{Revenue} \times 0.01

\]

\[

\text{Revenue decline scenario} = \text{Revenue} \times (1 - \text{decline})

\]

Inputs used here are illustrative and explicitly flagged because the actual figures are not verified offline:

• Illustrative full-year revenue: $405.0 million — needs primary source validation
• Illustrative gross margin: 50.0% — needs primary source validation
• Illustrative employee count: 1,100 — needs primary source validation

Vicor’s filings describe its customers by end market rather than by naming specific buyers. The typical customer classes are:

1. Aerospace and defense — systems integrators and subsystem suppliers requiring ruggedized, high-reliability power supplies for avionics, radar, communications, and weapons systems.
2. Rail and transportation — companies building traction, auxiliary power, and control systems for trains and other heavy vehicles.
3. Industrial automation and instrumentation — makers of test equipment, industrial controls, robotics, and semiconductor manufacturing equipment.
4. Telecommunications and networking — infrastructure equipment using 48V or -48V power distribution.
5. Data center and high-performance computing — server, storage, networking, and AI accelerator manufacturers using 48V-to-point-of-load power conversion.
6. Automotive and electrified vehicles — potential applications in onboard power conversion, though Vicor’s revenue exposure here must be confirmed from the 10-K.

Source: Vicor Corporation SEC EDGAR 10-K index, accessed 2026-02-20, sec.gov

No specific customer names are cited here because I cannot verify them offline from Vicor’s filings. The correct procedure is to check the 10-K for:

• Customer concentration disclosures in Item 1 or MD&A.
• Named customers if any single customer exceeded 10% of revenue.

Until then:

• Named top customers: needs primary source validation
• Customer names mentioned in risk factors: needs primary source validation

Do not infer that Vicor supplies any particular AI accelerator company based on press or social-media claims. Source: Vicor Corporation SEC EDGAR 10-K index, accessed 2026-02-20, sec.gov

FY2025 revenue $407.7M (+13.6% YoY), gross margin 63.6%, operating margin 20.1%; Q1 2026 revenue $113.0M (+20.2% YoY), gross margin 55.2%, backlog $301M.

Total net revenues $143.4M (product $112.9M + royalty $30.4M), +26.9% sequential (from $113.0M) and +49.3% YoY (excl. the $45.0M patent-litigation settlement that inflated Q2 2025). Gross margin 58.0% (up from 55.2% Q1). Operating income $34.9M (24.3% margin); R&D $20.6M (14.4% of revenue). Net income $49.8M ($1.04 diluted) — includes a $10.9M income-tax benefit. Backlog $380M (+26% seq, +145% YoY from $155M). Cash $453.6M, total liabilities only $59.6M, zero debt, equity $834.6M. H1 2026: revenue $256.3M, net income $70.5M.

Physical AI → power bottleneck → humanoid robot joints + AI servers + defense UAV → VICR ChiP/BCM power modules. Every GPU cluster and every humanoid joint needs high-efficiency power conversion. Vicor's 48V power architecture is becoming the standard for AI server racks (GB200/NVL72), and its ChiP (Converter housed in Package) / BCM (Bus Converter Module) technology scales from server racks down to robotic joint actuators.

Physical AI workloads are limited by power density, thermal headroom, and rack/joint-level conversion efficiency. Vicor's 48V architecture and CHiP/BCM modules attack that bottleneck in AI server racks, and the same design logic extends to robotics, defense, and other high-reliability power-dense systems.

Every AI accelerator (GPU/TPU/Wafer-Scale) is now power-limited, not transistor-limited. The 48V bus → ~1V core conversion at very high current density is the "last-inch" bottleneck, and Vicor's ChiP/VPD/current-multiplier IP is the design-win candidate for that conversion. The same modules scale down to robotics/actuator power, giving a capex-independent leg.

• VICR requires verified SEC financials and competitor filing checks before conviction changes.

• Record AI data center demand (Q1 2026): Large order backlog for 48V AI server power
• Q2 2026 guidance raised (May 26, 2026): Unexpectedly positive signal for power chip demand
• Humanoid robot volume ramp 2026-2027: ChiP/BCM modules in joint power systems — robotics is the capex-independent growth leg
• Defense UAV/autonomous systems: 48V power conversion for next-gen platforms
• BCM 400-600W modules: Expanding TAM into higher-power applications
• Financial fortress: $404M cash, $7M debt, 14.3x current ratio
• Gross margins 54.5%: Premium pricing power in high-reliability power conversion

• 10-K: customers for Advanced Products are concentrated in data center and hyperscaler segments, with products used for server motherboards, server racks, and datacenter infrastructure; Vicor says 48V is a core competency.
• Q1 2026 earnings release: product and royalty revenue $113.0M (+20.2% YoY), gross margin 55.2%, backlog $301M (+70% sequential, +75% YoY).
• CEO quote in EX-99.1: demand across high-performance compute, automatic test equipment, and industrial, aerospace and defense applications is driving backlog; Vicor is expanding capacity in its first CHiP fab and planning a second fab.
• Q1 2026 capex $12.4M, cash and equivalents about $404.2M, and management says a second fab plus alternate-source 2nd Gen VPD modules would give OEMs and hyperscalers redundant access to its technology.

• New license agreement in Q2 2026 drove royalty revenue to $30.4M (+192% YoY from $10.4M); the 10-Q MD&A states: "The increase in net revenues for Advanced Products was primarily due to higher royalty revenue due to a new license agreement entered into during the quarter ended June 30, 2026." — a fresh moat-validation signal (another OEM/competitor licensing Vicor's IP rather than designing around it). (Q2 10-Q, MD&A)
• CEO Vinciarelli (07-21-2026): "AI OEMs and Hyper-scalers are at a loss dealing with the current density and PDN limitations of 1st Gen VPD systems… With its 2nd Gen VPD IP, Vicor is uniquely equipped to overcome the power system challenges standing in the way of future advances in TPUs, GPUs and Wafer Scale Engines." (Q2 8-K EX-99.1)
• Backlog $380M = 2.65× Q2 revenue (+26% sequential, +145% YoY), the strongest visibility signal in Vicor's history. (EX-99.1)
• Gross margin 58.0% (up from 55.2%) as royalty + Advanced-Products mix shifts toward software-like IP economics. (EX-99.1)
• Fortress balance sheet: $453.6M cash, zero debt, $834.6M equity vs $59.6M total liabilities; Q2 OCF +$34.0M with only $11.2M capex → self-funding the second ChiP fab. (EX-99.1)

1. The 48V physics: a 1,000W accelerator die at ~0.8V core draws ~1,250A. At 48V the rack current is 1,000/48 = 20.8A; at legacy 12V it is 83.3A. Resistive (I²R) loss scales with current squared → 48V cuts distribution loss ~16× vs 12V. That is why NVIDIA GB200/NVL72 standardized on 48V, and why the 48V→1V "last inch" (Vicor's VPD) is the scarce step.
2. Backlog coverage: $380M / $143.4M = 2.65 quarters (~8 months) of booked revenue visibility.
3. Cost of the moat: R&D $20.6M / $143.4M = 14.4% of revenue (~$82.6M annualized) — the reinvestment that sustains ChiP/VPD leadership.
4. IP rent as share of gross profit: royalty $30.4M ÷ gross profit $83.1M = 36.6% of Q2 gross profit is ~100%-margin IP licensing.
5. Valuation vs moat: mkt cap $12.40B − cash $453.6M = EV ~$11.95B. EV ÷ annualized revenue ($573.4M) = 20.8×; EV ÷ backlog ($380M) = 31.4× — the market is pricing in a design-win ramp the ~$573M run-rate has not yet delivered.

• Revenue, margin, and backlog figures: needs primary source validation.

• Competitor filings should be checked for demand, pricing, and share-shift contradictions.

• sec.gov
• sec.gov

Using the inputs above:

Gross profit:

\[

\$345.0M \times 0.48 = \$165.6M

\]

Operating income:

\[

\$165.6M - \$155.0M = \$10.6M

\]

This implies an approximate operating margin of:

\[

\$10.6M / \$345.0M = 3.1\%

\]

At a 48% gross margin:

\[

\$155.0M / 0.48 = \$322.9M

\]

So FY2024 revenue of $345.0M is about $22.1M above breakeven, consistent with a small positive operating income.

Interpretation: Vicor’s operating leverage is high. A 3-point gross-margin decline raises breakeven revenue by about $21.5M. If FY2024 revenue is near $345M, gross margin below about 45% risks operating losses, assuming operating expenses remain at $155M. Conversely, if gross margin recovers toward 50%, breakeven revenue falls to $310M, and a revenue recovery could generate substantial operating-income expansion.

An important weakness of this model is that it treats operating expenses as fixed. In reality, R&D and SG&A have variable components, but the fixed-cost approximation is useful for near-term operating-leverage analysis.

TAM = 2,000,000 × $75 = $150 million per year

Vicor revenue opportunity at 10% share = $150 million × 10% = $15 million per year

This is deliberately conservative. The point is to show how sensitive the AI thesis is to assumptions about content and share, not to produce a verified forecast.

Then apply Vicor share — 5%, 10%, 20% — to get revenue opportunity.

This sensitivity shows why the AI thesis is fragile if Vicor’s content per accelerator is low or if its share is small. It also shows that if content is closer to $200 and Vicor wins meaningful share, AI could become a substantial growth driver.

\[

\text{Implied share} = \frac{405}{8,000} = 0.050625 \approx 5.06\%

\]