Lightron Fiber-Optic Devices

빛과전자 · 069540

Information Technology Hardware & Devices · KOSDAQ

Small-cap

Market cap US$291.7M (₩402.5B)

Overview

Lightron Fiber-Optic Devices makes optical transceiver modules, small components that convert electrical signals into light pulses and back, allowing data to travel at high speed over fiber-optic cables.

Listed on KOSDAQ, Korea's tech-focused small-cap board, it supplies these modules to wireless mobile base stations, telecom and data-networking equipment makers, cable TV operators, fiber-to-the-home networks, and high-definition broadcast systems. Its product mix spans modules for current-generation mobile networks through high-capacity data-center interconnects, and it is actively expanding into the defense sector alongside its commercial business.

Summary is AI-generated and may contain errors · figures from DART filings

Financials

Source: DART · FY ending Dec · latest FY2025
Revenue · FY2025
US$23M
▲ +75.2% YoY
Operating profit · FY2025
−US$12M
Loss widened
Net income · FY2025
−US$14.2M
Loss widened

Revenue

  • FY2023US$15.7M
  • FY2024US$13.1M
  • FY2025US$23M

Operating profit

  • FY2023−US$6.8M
  • FY2024−US$7.4M
  • FY2025−US$12M

Net income

  • FY2023−US$14.2M
  • FY2024−US$13.5M
  • FY2025−US$14.2M

Key ratios (FY2025)

ROE
-33.4%
Debt/Eq
57.3%
Op. margin
-52.0%
Net margin
-61.9%
Rev. YoY
▲ +75.2%

Why it matters

The company is extending its reach into the defense industry through collaboration with Korean defense contractors, a relatively new business line alongside its established telecom-module operations.

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For informational purposes only. This is not investment advice, a recommendation, or a solicitation to buy or sell any security. Do your own research; any investment decision is your own responsibility.

Data from DART, Korea's official corporate-filing system. Data sourced from official DART filings. Accuracy is not guaranteed. Figures are as of the date shown. As of 2026-06-12 (KST). · FX: 1 USD ≈ ₩1,380 (2026-06-01).

Company summaries are generated and may contain errors; financial figures are mapped directly from official filings.