OE Solutions
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
OE Solutions makes optical transceivers, the modules that convert electrical signals into light pulses and back again so that data can travel at high speed through fiber-optic cables in routers, switches, and other network equipment.
The company also produces laser diodes, the core light-emitting components inside those transceivers, and supplies into markets including fifth-generation wireless networks, fiber-to-the-home, cable television, and data centers. Listed on KOSDAQ, Korea's tech-focused small-cap board, it operates as a business-to-business supplier whose products must pass lengthy customer qualification and system-level testing before orders are placed.
Summary is AI-generated and may contain errors · figures from DART filings
OE Solutions in five facts
What does OE Solutions do?
OE Solutions makes optical transceivers, the modules that convert electrical signals into light pulses and back again so that data can travel at high speed through fiber-optic cables in routers, switches, and other network equipment.
Where is OE Solutions listed and in which sector?
OE Solutions (Korean name: 오이솔루션) trades under KRX code 138080 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Information Technology sector, Hardware & Devices.
How large is OE Solutions?
Its market capitalisation was US$265.8M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were OE Solutions's latest annual revenue and operating profit?
For fiscal year 2025, OE Solutions reported revenue of US$43.3M, an operating loss of US$12.1M and a net loss of US$20.4M, per its annual report on DART (data retrieved from DART on 2026-09-17). Revenue was up 79.2% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-09-17
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, converted from won at 1 USD ≈ ₩1,325 (2026-10-21 close)
- Company data updated
- 2026-10-21
- Company summary
- AI-generated from filings; may contain errors. Information only, not investment advice.
- Report on securities held by executives/major shareholdersOct 21
- [Amended] Share-pledge agreement that may change the largest shareholder
OE Solutions's largest shareholder (an individual) pledged shares as loan collateral to a financial company, securing up to US$36.1M.
Ownership change · Oct 1 - Report on large shareholdings (5% rule) (standard)Oct 1
- Report on securities held by executives/major shareholdersOct 1
- Report on large shareholdings (5% rule) (standard)Sep 2
- Report on securities held by executives/major shareholdersSep 2
- [Amended] Share-pledge agreement that may change the largest shareholder
OE Solutions's largest shareholder (an individual) pledged shares as loan collateral to a financial company, securing up to US$36.1M.
Ownership change · Aug 31 - Appointment/dismissal/resignation of an independent directorAug 31
- [Amended] Share-pledge agreement that may change the largest shareholder
OE Solutions's largest shareholder (an individual) pledged shares as loan collateral to a financial company, securing up to US$35.6M.
Ownership change · Aug 21 - [Amended] Share-pledge agreement that may change the largest shareholder
OE Solutions's largest shareholder (an individual) pledged shares as loan collateral to a financial company, securing up to US$46.9M.
Ownership change · May 22 - Early redemption of convertible bonds (incl. overseas CBs)Capital raise · Mar 11
- [Amended] Share-pledge agreement that may change the largest shareholder
OE Solutions's largest shareholder (an individual) pledged shares as loan collateral to a financial company, securing up to US$23M.
Ownership change · Feb 23 - [Attachment amended] Material event report (CB call option holder designated)Capital raise · Feb 9
- [Amended] Material event report (CB call option holder designated)Capital raise · Feb 9 · 2 versions
- Material event reportCapital raise · Feb 9
- Change of 30% or more in revenue or profit/loss structure (15% for large companies)
OE Solutions reported consolidated results for FY2025: revenue of US$39M (+79.2% year on year), an operating loss of US$10.8M and a net loss of US$18.5M.
Earnings · Feb 6 - [Amended] Share-pledge agreement that may change the largest shareholder
OE Solutions's largest shareholder (an individual) pledged shares as loan collateral to a financial company, securing up to US$17.6M.
Ownership change · Feb 2