Pentastone Electronics

PS일렉트로닉스 · 332570

Information Technology Components · KOSDAQ

Small-cap

Market cap US$358.8M (₩495.1B)

Overview

Pentastone Electronics makes power amplifier modules, the components inside mobile phones that boost a weak outgoing signal so it can reach a cellular base station, and supplies them to the mobile communications industry.

The company is listed on KOSDAQ, South Korea's tech-focused small-cap exchange. Beyond its core power amplifier and radio-frequency front-end module business, it has expanded through acquisition into factory automation equipment, voice coil motors, and vibration motors, serving industries such as semiconductors, mobile phones, networking, and camera modules.

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

Financials

Source: DART · FY ending Dec · latest FY2025

Revenue · FY2025

US$90.9M

▲ +2.7% YoY

Operating profit · FY2025

US$2.8M

▼ −63.7% YoY

Net income · FY2025

US$11.9M

Turned profitable

Revenue, operating profit and net income by fiscal year (USD; KRW in parentheses).
Metric	FY2023	FY2024	FY2025
Revenue	US$49.4M(₩68.1B)	US$88.5M(₩122.1B)	US$90.9M(₩125.5B)
Operating profit	US$4.7M(₩6.4B)	US$7.8M(₩10.8B)	US$2.8M(₩3.9B)
Net income	US$14.1M(₩19.5B)	−US$5.6M(−₩7.7B)	US$11.9M(₩16.4B)

Revenue

FY2023US$49.4M
FY2024US$88.5M
FY2025US$90.9M

Operating profit

FY2023US$4.7M
FY2024US$7.8M
FY2025US$2.8M

Net income

FY2023US$14.1M
FY2024−US$5.6M
FY2025US$11.9M

Key ratios (FY2025)

ROE

12.3%

Debt/Eq

73.9%

Op. margin

3.1%

Net margin

13.1%

Rev. YoY

▲ +2.7%

Why it matters

The company operates consolidated subsidiaries spanning a smart-grid communications business with Korea's state-owned power utility, a new-technology financial investment arm, and a MEMS business.

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