WiSoL

와이솔 · 122990

Information Technology Components · KOSDAQ

Small-cap

Market cap US$137.8M (₩190.2B)

Overview

WiSoL makes tiny radio-frequency filters and related modules, components that clean up wireless signals inside smartphones so calls and data transmissions work clearly.

It supplies these parts to the mobile-handset industry and is listed on KOSDAQ, South Korea's tech-focused stock exchange. Its core business centres on SAW (Surface Acoustic Wave) filter technology, and it produces components for second-, third-, fourth-, and fifth-generation mobile networks. It has also obtained an international automotive-quality certification to expand into vehicle electronics.

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

Financials

Source: DART · FY ending Dec · latest FY2025
Revenue · FY2025
US$232.8M
▼ −14.3% YoY
Operating profit · FY2025
−US$26.3M
Turned to loss
Net income · FY2025
−US$30.5M
Turned to loss

Revenue

  • FY2023US$267.9M
  • FY2024US$271.7M
  • FY2025US$232.8M

Operating profit

  • FY2023US$9.8M
  • FY2024US$334.2K
  • FY2025−US$26.3M

Net income

  • FY2023US$9.6M
  • FY2024US$8M
  • FY2025−US$30.5M

Key ratios (FY2025)

ROE
-14.3%
Debt/Eq
17.5%
Op. margin
-11.3%
Net margin
-13.1%
Rev. YoY
▼ −14.3%

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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.