Synopex
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Synopex makes ultra-fine filtration components used inside semiconductor manufacturing equipment, essentially precision filters that remove microscopic contaminants from the chemicals and ultra-pure water that chipmakers rely on to produce working chips.
Its customers include major semiconductor manufacturers and materials suppliers in Korea. Listed on KOSDAQ, Korea's tech-focused small-cap exchange, the company's filter business is its core operation, spanning multiple process steps in chip fabrication, and it is also developing medical-device products related to kidney dialysis as a newer growth area.
Summary is AI-generated and may contain errors · figures from DART filings
Synopex developed domestic Korean-made versions of nano-scale chemical filters that were previously sourced entirely from overseas, reducing the local semiconductor industry's import dependency for this component.
Synopex in five facts
What does Synopex do?
Synopex makes ultra-fine filtration components used inside semiconductor manufacturing equipment, essentially precision filters that remove microscopic contaminants from the chemicals and ultra-pure water that chipmakers rely on to produce working chips.
Where is Synopex listed and in which sector?
Synopex (Korean name: 시노펙스) trades under KRX code 025320 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Information Technology sector, Components.
How large is Synopex?
Its market capitalisation was US$255.1M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Synopex's latest annual revenue and operating profit?
For fiscal year 2025, Synopex reported revenue of US$197.4M, operating profit of US$5.1M and net income of US$5.4M, per its annual report on DART (data retrieved from DART on 2026-06-04). Revenue was up 9.7% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-04
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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.
- DisclosureOct 1
- [Amended] Share-pledge agreement that may change the largest shareholder
Synopex's largest shareholder (Sino Dynamics Co., Ltd.) pledged shares as loan collateral, securing up to US$12M.
Ownership change · Jul 10 - Completion report on merger, etc. (merger)M&A · Jun 30
- [Attachment amended] Material event report (merger)M&A · May 13
- [Attachment amended] Material event report (merger)M&A · Apr 24
- Material event report (merger)M&A · Apr 23
- Change of 30% or more in revenue or profit/loss structure (15% for large companies)
Synopex reported consolidated results for FY2025: revenue of US$179M (+9.7% year on year), operating profit of US$4.91M (−66.2% year on year) and net income of US$4.96M (−74.1% year on year).
Earnings · Feb 9