Bel Fuse Inc. (BELFB) Stock

Bel Fuse Inc. (BELFB) is a Technology stock trading at $262.03 (as of 2026-08-20), with a market capitalization of $3.17M and a trailing P/E of 0.1. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.

Bel Fuse Inc. designs, manufactures, markets, and sells products that are used in the networking, telecommunication, high-speed data transmission, commercial aerospace, military, broadcasting, transportation, e-Mobility and broadcasting, and consumer electronic industries in the United States, Macao, the United Kingdom, Slovakia, Germany, Switzerland, and internationally. It offers magnetic products, such as integrated connector modules; power transformers; SMD power inductors and SMPS transformers; and ethernet discrete components. The company also provides power solutions and protection products comprising front-end power supplies; board-mount power; industrial power; external power; and circuit protection products. In addition, it offers connectivity solutions, which includes expanded beam fiber optic connectors, cable assemblies, and active optical devices; copper-based connectors/cable assemblies; radio frequency connectors, cable assemblies, microwave devices, and low loss cables; and ethernet, I/O, and industrial and power connectivity. The company sells its products under the Bel, TRP Connector, MagJack, Signal, Bel Power Solutions, Melcher, CUI, Stratos, Fibreco, Cinch, Johnson, Trompeter, Midwest Microwave, Semflex, and Stewart Connector brands through direct strategic account managers, regional sales managers working with independent sales representative organizations, and authorized distributors. Bel Fuse Inc. was incorporated in 1949 and is headquartered in Jersey City, New Jersey.

Understand Bel Fuse Inc.: how it makes money

Bel Fuse Inc. designs, manufactures, and sells electronic components and power related products used across networking, telecommunications, and high speed data transmission, with revenue generated primarily from product sales to end markets.

Bel Fuse converts sales of its manufactured electronic and power related products into gross profit (39.0% gross margin), then relies on cost control to translate that into operating profit (13.3% operating margin).

Business quality (Solid): Clear product focus and profitability snapshot are available, but there are no provided reportable segments or operating KPIs here to track what is driving results quarter to quarter.

Valuation: At 65× earnings, BELFB trades 26% above the Semiconductors average (51×). Note: one-time items can distort reported P/E.

Bull case

  • Broad end market and product coverage: The company serves multiple electronics and infrastructure end markets and sells magnetic products, power transformers, inductors, SMPS transformers, and ethernet discrete components.
  • Profitability present in the latest snapshot: For the period ended 2026-03-31, it reported 39.0% gross margin and 13.3% operating margin.

Bear case

  • Limited visibility into operating drivers from provided data: No operating KPIs or reportable segments were provided here, which limits the ability to pinpoint the specific operational factors behind changes in profitability.
  • Margin sensitive model: Because operating margin (13.3%) depends on maintaining gross profit (39.0%), unfavorable changes in costs or product mix could pressure operating results.
Valuation — source: SEC EDGAR (first-party)
Price$262.03
Market Cap$3.17M
P/E Ratio0.1
EV / EBITDA-2.1
Price / Book0.00
Price / Sales0.00
Dividend Yield110.0%
FCF Yield2313.0%
Profitability & Growth — source: SEC EDGAR
Revenue (TTM)$675.46M
Net Margin9.1%
Return on Equity5.9%
Current Ratio4.48
Revenue Growth (YoY)25.2%
FCF Growth (YoY)60.1%
Financial Health — source: SEC EDGAR
Altman Z-Score2.05 (grey)
Valuation vs Sector & Industry
Stock P/E0.1
Sector P/E (Technology)33.9
Industry P/E (Electronic Equipment)39.4
vs Sector-99.8%
vs Industry-99.8%
Smart-Money Activity — SEC Form 4 / 13F / Congressional disclosures
Top Institutional HolderJupiter Topco LLC ($196.49M)
Institutional Holders Tracked10
Congressional Trades (recent)1
Company
SectorTechnology
IndustryElectronic Equipment
CEOFarouq Tuweiq
Employees5,370
CountryUS
IPO Date1998-07-10

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BELFB earnings history · BELFB institutional & insider holders · BELFB KPIs & operating metrics · BELFB financials · BELFB investor presentations & press releases · BELFB SEC filings · BELFB peers · Congress trades · Insider trades · Short interest · Stock screener

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.