MPWRQueued from the May 25, 2026 S&P 500 market-cap snapshot ranks 126-150; refreshed with 2025 annual-report financials and May 2026 market data.

Monolithic Power Systems

Monolithic Power Systems designs and sells high-performance power management semiconductors, DC/DC converters, drivers, lighting controls, and power modules for computing, automotive, industrial, communications, and consumer electronics markets.

Metadata

Where this company sits

Ticker
MPWR
Rank snapshot
≈ 140
Sector
Information Technology
Industry
Semiconductors
Region
United States
Index
S&P 500 · Top 150 by market cap

Metrics

Scoring view

Every metric is paired with a short rationale. The numbers are deliberate, not divine.

Moat

8.0/10

High gross margins, proprietary process and integration claims, power-density specialization, and customer design-in friction support a strong moat, though the company remains exposed to semiconductor competition and customer redesign cycles.

Decentralizability

4.0/10

Advanced power IC design and semiconductor manufacturing are difficult to decentralize, but surrounding power boards, controllers, reference designs, and repairable modules have credible open-hardware pathways.

Profitability

8.0/10

The 2025 Form 10-K reports $2.79 billion of revenue, $1.54 billion of gross profit, and a 55.2% gross margin, indicating strong profitability for a semiconductor component supplier.

Price / Earnings

113.7x

FinanceCharts reported MPWR's trailing P/E ratio at 113.72 as of May 22, 2026; the value is market-sensitive and should be treated as a point-in-time valuation input.

Market cap

$78.1B

StockAnalysis reported Monolithic Power Systems' market capitalization at $78.11 billion as of May 22, 2026.

Freed-up capital potential

$9.9B

Derived from market cap, moat resistance, decentralizability, and profitability. It is a directional estimate of value capture that could come under pressure if open alternatives compound.

IPO market cap

$265.5M

StockAnalysis reports MPWR's market capitalization history beginning at $265.5 million on November 19, 2004, the IPO trading date also listed in market-data profiles and supported by the November 18, 2004 final prospectus.

IPO return multiplier

294.2x

Current market cap divided by the IPO market cap implied on 2004-11-19.

Yearly market cap growth since IPO

30.2%

Compound annual market cap growth from the IPO date 2004-11-19 through the snapshot date 2026-05-29.

Narrative

Why the company matters

A short editorial overview plus the current thesis on moat strength and decentralization pressure.

Business

Monolithic Power Systems is a fabless power electronics semiconductor company built around analog and mixed-signal design, proprietary process know-how, and compact system-level integration. Its product families include DC/DC converters, AC/DC products, drivers, power management ICs, current-limit switches, lighting controls, and increasingly module-level power solutions.

The company's 2025 annual report describes broad end-market exposure across storage and computing, automotive, enterprise data, communications, consumer, and industrial applications, with revenue of about $2.79 billion and gross margin above 55% for the year ended December 31, 2025.

Strategic Position

MPS competes where power density, efficiency, reliability, and fast design-in support matter. Its moat is less about owning a consumer platform and more about embedded engineering relationships, qualified reference designs, proprietary packaging and process capabilities, and the switching costs that appear once a power solution is designed into a customer's system.

That moat is durable in regulated or high-reliability settings, but it is not absolute. Power electronics are still component markets, and open hardware, commodity manufacturing, and modular design patterns can pressure parts of the value chain where customers can accept slower qualification cycles or lower integration density.

Moat reading

MPS earns a strong moat score because its products sit inside customer designs where redesign risk, thermal performance, efficiency, and qualification cycles matter. The annual report emphasizes proprietary semiconductor process and system integration technologies, and the company's high gross margin suggests meaningful differentiation rather than pure commodity pricing.

The moat is still bounded by semiconductor cyclicality, foundry and assembly dependence, distributor concentration, and customer bargaining power. Unlike a vertically integrated platform company, MPS can be displaced when a customer redesigns a board, dual-sources a function, or migrates to a more integrated power architecture from another supplier.

Decentralization reading

MPS is only moderately decentralizable in the near term because high-performance power management ICs require semiconductor design expertise, wafer fabrication, packaging, testing, reliability qualification, and supply-chain scale. Those constraints keep much of the core value in specialized firms and foundry ecosystems.

The more decentralizable layer is not the silicon die itself but the surrounding system: open reference designs, community-tested DC energy hardware, repairable power modules, local assembly, and reusable controller firmware. Open hardware projects such as Libre Solar and OpenInverter show that distributed communities can build useful power electronics around available components, even if they do not replace advanced IC vendors directly.

Products

Where the moat actually touches users

These pages zoom into the products and services that matter most to each company, the alternatives already nibbling at them, and 2 structured disruption concepts across the current product set.

2 disruption concepts tracked0 documented exceptions
DC/DC Converters

Power management semiconductors

1 concept

MPS DC/DC converters regulate and convert voltage rails across computing, automotive, communications, industrial, and consumer electronics systems.

Open analysis
Power Modules

Integrated power electronics modules

1 concept

MPS power modules integrate power conversion components into compact module-level solutions for customers that need faster design cycles, higher density, and lower system complexity.

Open analysis

Technology waves

Strategic lenses

These are the repo's explicit bias terms: the technologies expected to keep making incumbents less inevitable over time.

Printed electronics and PCB tooling

PCB fabrication, chip packaging, and increasingly automated electronics assembly continue shrinking the distance between prototype and local production.

  • Incumbents with hardware lock-in should be evaluated against a future of much cheaper custom electronics.
  • Pick-and-place automation lowers the coordination cost for distributed manufacturing cells.
  • The most durable hardware moats may migrate toward fabs, ecosystems, and compliance rather than assembly itself.
Microfactories and automated mini-home production

Small, software-defined manufacturing cells could make localized production less eccentric and more default.

  • Products with heavy branding but generic bill-of-materials profiles look increasingly vulnerable.
  • Logistics moats still matter, but their margin for arrogance should narrow.
  • Open-source production recipes can pressure both price and product differentiation.
Printable solar, localized wind, and home energy stacks

Cheaper distributed generation and better local energy management create more openings for community-scale infrastructure and self-custodied resilience.

  • Energy-related products should be viewed through interoperability and open-control surfaces.
  • Battery, charging, and home automation layers are increasingly separable from single-vendor stacks.
  • Incumbents that depend on closed energy ecosystems may look less inevitable over time.

Paper trail

Visible evidence trail

These sources shaped the scoring and writing. The site is opinionated, but it should not behave like it is improvising facts in a dark room.

Monolithic Power Systems Investor Relations Overview

Monolithic Power Systems · investor relations

Company-provided overview describing MPS as a global provider of high-performance semiconductor-based power electronics solutions and summarizing its core strengths.

Reviewed 2026-05-29

Monolithic Power Systems Market Cap

StockAnalysis · market data

Point-in-time market capitalization source reporting $78.11 billion as of May 22, 2026 and historical market-cap data beginning on the IPO trading date.

Reviewed 2026-05-29

Free The World

Built as a research surface for tracking how AI, open source, Bitcoin rails, and distributed manufacturing steadily make legacy pricing models look like an elaborate historical accident.

Early-2026 public-source snapshot

Open source on GitHub

Commit 2970904 ·