Seoul Electronics & Telecom서울전자통신
027040 · KOSDAQ · ₩027040 · 서울전자통신
- Market cap
- ₩25B
- Enterprise value
- ₩26B
- P/E
- 17.6×
- P/B
- 2.0×
- Dividend yield
- 0.0%
- ROE
- 11.1%
- Net margin
- 4.6%
Trailing 12 months from filed financial statements, as of H1 2026. Dividend yield: the 2025 dividend per share from the annual report ÷ today's price.
52-week range−71.9% from the high
₩895Today: ₩1,710 – ₩1,805₩6,375
Returns
- 1W−1.2%
- 1M−5.4%
- 3M+0.7%
- 6M−25.3%
- YTD+87.6%
- 1Y+75.7%
- Volume today
- 39,892
- 0.1× the 20-day average
- Traded today
- ₩70M
- Listed shares
- 13,917,769
- EPS (12 months)
- ₩102
- Earnings yield 5.7%
Upcoming dates
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Signals
Quiet- BuzzQuietBuzz 29 of 100 (50 is a normal day for this stock).
- SentimentNegativeNews: Share issuance filings can dilute existing holders, but the sources give no details. Community: 0 bullish, 0 bearish posts this week.
- MomentumFlat5.2% over the last month; the price is below its 20-day average.
- News impactLow6 news items and filings in two weeks; 0 rated high impact, 0 medium.
Signals describe activity, not recommendations. Not financial advice.
Seoul Electronics & Telecom stock overview
Seoul Electronics & Telecom (서울전자통신, KRX: 027040) is listed on KOSDAQ, in the Electrical equipment sector. Seoul Electronics & Telecom operates in two segments: a power products business that makes power transformers and switching-mode power supplies (SMPS) for industrial equipment, consumer electronics, and electric vehicles, and an ODM business that manufactures kiosks, notebook touchpads, EV chargers, and e-cigarette cartridges for order-based customers. Its shares closed at ₩1,792 on Oct 27, 2026, up 4.25% on the day, giving it a market value of ₩25B.
Key facts
- Market cap
- ₩25B
- Sector
- Electrical equipment
- Latest price change
- +4.25%
- As of
- Oct 27, 2026
- Main business
- Seoul Electronics & Telecom operates in two segments: a power products business that makes power transformers and switching-mode power supplies (SMPS) for industrial equipment, consumer electronics, and electric vehicles, and an ODM business that manufactures kiosks, notebook touchpads, EV chargers, and e-cigarette cartridges for order-based customers.
Quick answers about Seoul Electronics & Telecom
- What does Seoul Electronics & Telecom do?
- Seoul Electronics & Telecom operates in two segments: a power products business that makes power transformers and switching-mode power supplies (SMPS) for industrial equipment, consumer electronics, and electric vehicles, and an ODM business that manufactures kiosks, notebook touchpads, EV chargers, and e-cigarette cartridges for order-based customers. Its power products serve customers such as Ceragem, Coway-type home appliance makers, LG Innotek, SONY, and YAMAHA, and it also has overseas subsidiaries in Vietnam and Malaysia plus a Hong Kong unit that handles component sourcing.
- What is the market cap of Seoul Electronics & Telecom?
- The market capitalisation of Seoul Electronics & Telecom was ₩25B at the close on Oct 27, 2026.
- Who are the largest shareholders of Seoul Electronics & Telecom?
- According to the latest official filings, the largest reported holders are Daon International (14.90%, as of May 29, 2026); SET 1st Investment Partnership (13.50%, as of May 29, 2026); SET No. 2 Investment Partnership (13.50%, as of May 29, 2026).
- When is the next earnings report from Seoul Electronics & Telecom?
- Korean companies rarely announce results dates in advance. Based on when Seoul Electronics & Telecom filed the same report in past years, its next 3q results is expected around Nov 14, 2026.
Company profile
Seoul Electronics & Telecom operates in two segments: a power products business that makes power transformers and switching-mode power supplies (SMPS) for industrial equipment, consumer electronics, and electric vehicles, and an ODM business that manufactures kiosks, notebook touchpads, EV chargers, and e-cigarette cartridges for order-based customers. Its power products serve customers such as Ceragem, Coway-type home appliance makers, LG Innotek, SONY, and YAMAHA, and it also has overseas subsidiaries in Vietnam and Malaysia plus a Hong Kong unit that handles component sourcing.
Written by AI from the company's latest annual report.
- Korean name
- 서울전자통신
- Sector
- Electrical equipment
- Themes
- Power grid & cables
- CEO
- 이재현
- Founded
- Jun 1983
- Listed
- Dec 1999
- Listed shares
- 13,917,769
- Fiscal year ends
- Month 12
- Website
- www.seoulset.com
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Recent filings
See all- [Corrected Filing] Conclusion of Agreement on Change in Management ControlOct 28, 2026
- Amended: Shareholders' meeting calledOct 28, 2026
- Amended: Notice of shareholders' meetingOct 28, 2026
- Amended: Rights offering (paid-in capital increase) decisionOct 28, 2026
- [Amended] Small-Scale Public Offering Disclosure Documents (Equity Securities)Oct 27, 2026
Titles in Korean until English translations are added.
Also known as: Seoul Electronics & Telecom / 서울전자통신 / 027040 / KRX:027040
Source: KRX statistical information