Diodes Incorporated (DIOD) Stock

Diodes Incorporated (DIOD) is a Technology stock trading at $90.67 (as of 2026-08-20), with a market capitalization of $4.18B and a trailing P/E of 48.5. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.

Diodes Incorporated designs, manufactures, and supplies application-specific standard semiconductor products across discrete, logic, analog, and mixed-signal categories. Its offerings include discrete devices and power components (e.g., diodes, MOSFETs, rectifiers, Zener/TVS) as well as analog and mixed-signal products such as power management devices, linear components, LED drivers, audio amplifiers, and sensor products for customers worldwide.

Understand Diodes Incorporated: how it makes money

Diodes Incorporated designs, manufactures, and supplies application-specific standard semiconductor products in the discrete, logic, analog, and mixed-signal markets, earning revenue by selling devices such as MOSFETs, TVS and performance Schottky rectifiers, Zener diodes, and rectifiers/bridges to customers worldwide.

It makes and sells standard discrete semiconductor components, so profitability depends on matching production and product qualification, including the pace of new automotive part introductions, to customer demand while managing finished-goods inventory.

Business quality (Mixed): The company is operationally focused on inventory control (finished goods) and ongoing product development for key end markets (automotive), which are closely tied to converting semiconductor demand into sellable output.

Valuation: At 59× earnings, DIOD trades 15% above the Semiconductors average (51×). Note: one-time items can distort reported P/E.

Bull case

Product breadth in discrete and mixed-signal semiconductors: The company supplies a range of discrete devices (for example MOSFET, TVS, performance Schottky rectifiers, and Zener diodes) as well as bridges and retifiers.
Operational focus on working capital and product pipeline: It discloses operational KPIs including Inventory Days (Finished Goods) and New Part Numbers (Automotive), indicating active monitoring of both inventory and automotive product introductions.

Bear case

Inventory risk can pressure cash and margins: Finished-goods inventory days are a key operational metric, and elevated inventory can be a warning sign if sell-through does not keep pace with production.
Automotive qualification and ramp can be uncertain: New Part Numbers (Automotive) is an operating KPI, but new introductions also depend on qualification and customer adoption timelines.

Valuation — source: SEC EDGAR (first-party)
Price	$90.67
Market Cap	$4.18B
P/E Ratio	48.5
EV / EBITDA	18.7
Price / Book	2.06
Price / Sales	2.55
FCF Yield	3.4%
DCF Value (model)	$11.78
DCF Upside vs Price	-87.0%

Profitability & Growth — source: SEC EDGAR
Revenue (TTM)	$1.48B
Net Margin	4.5%
Revenue Growth (YoY)	21.7%
EPS Growth (YoY)	3.0%
FCF Growth (YoY)	65.3%

Financial Health — source: SEC EDGAR
Piotroski F-Score	7/9 (strong)

Valuation vs Sector & Industry
Stock P/E	48.5
Sector P/E (Technology)	33.9
Industry P/E (Electronic Equipment)	39.4
vs Sector	42.9%
vs Industry	23.1%

Smart-Money Activity — SEC Form 4 / 13F / Congressional disclosures
Top Institutional Holder	BlackRock, Inc. ($491.37M)
Institutional Holders Tracked	10
Congressional Trades (recent)	4

Company
Sector	Technology
Industry	Electronic Equipment
CEO	Gary Yu
Employees	7,829
Country	US
IPO Date	1966-11-10

Related Companies (Business model: Fabless Semiconductors; 8 closest by market cap; US-domiciled)

Data as of 2026-08-20.

Figures sourced from U.S. Securities and Exchange Commission (SEC EDGAR) filings and market data. Not personalized investment advice.