Neosem
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Neosem makes testing equipment used to check the performance and reliability of memory chips and solid-state drives, the storage components found in servers, PCs, and other devices, during the final stages of chip manufacturing.
Its customers are memory chip makers that need to verify products before they ship. The business is split into two main lines: testers for solid-state drives and burn-in testers that stress-test memory chips under harsh conditions. It is listed on KOSDAQ, South Korea's tech-focused small-cap exchange.
Summary is AI-generated and may contain errors · figures from DART filings
Alongside its core equipment business, Neosem also acts as a distributor for foreign-made assembly machines and particle detectors used in semiconductor and precision industries.
Neosem in five facts
What does Neosem do?
Neosem makes testing equipment used to check the performance and reliability of memory chips and solid-state drives, the storage components found in servers, PCs, and other devices, during the final stages of chip manufacturing.
Where is Neosem listed and in which sector?
Neosem (Korean name: 네오셈) trades under KRX code 253590 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Industrials sector, Machinery.
How large is Neosem?
Its market capitalisation was US$523.1M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Neosem's latest annual revenue and operating profit?
For fiscal year 2025, Neosem reported revenue of US$48.3M, operating profit of US$3.1M and net income of US$4M, per its annual report on DART (data retrieved from DART on 2026-06-03). Revenue was down 39.3% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-03
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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.
- [Amended] Supply contract signed
Neosem updated a previously disclosed supply contract with Samsung Electronics, now worth US$5.07M, about 10.79% of its recent annual revenue, running through Nov 2026.
Supply contract · Sep 28 · 2 versions - [Amended] Supply contract signed (voluntary)
Neosem updated a previously disclosed supply contract with NEOSEM TECHNOLOGY INC., now worth US$3.5M, about 4.52% of its recent annual revenue, running through Sep 2026.
Supply contract · Sep 28 · 2 versions - Report on large shareholdings (5% rule) (standard)Sep 22
- Report on securities held by executives/major shareholdersSep 22
- Report on large shareholdings (5% rule) (standard)Aug 31
- [Amended] Supply contract signed (voluntary)
Neosem updated a previously disclosed supply contract with NEOSEM TECHNOLOGY INC., now worth US$4.84M, about 6.34% of its recent annual revenue, running through Dec 2026.
Supply contract · Aug 28 · 3 versions - [Amended] Supply contract signed
Neosem updated a previously disclosed supply contract with NEOSEM TECHNOLOGY INC., now worth US$6.18M, about 13.35% of its recent annual revenue, running through Dec 2026.
Supply contract · Aug 28 · 2 versions - Supply contract signed
Neosem disclosed a supply contract with Samsung Electronics, worth US$5.72M, about 13.5% of its recent annual revenue, running through Dec 2026.
Supply contract · Jul 8 - Supply contract signed
Neosem disclosed a supply contract with NEOSEM TECHNOLOGY INC., worth US$7.68M, about 18.05% of its recent annual revenue, running through Oct 2026.
Supply contract · May 27 - Supply contract signed (voluntary)
Neosem disclosed a supply contract with NEOSEM TECHNOLOGY INC., worth US$4.23M, about 9.71% of its recent annual revenue, running through Aug 2026.
Supply contract · Apr 14 - Supply contract signed (voluntary)
Neosem disclosed a supply contract with NEOSEM TECHNOLOGY INC., worth US$3.11M, about 7.35% of its recent annual revenue, running through Nov 2026.
Supply contract · Apr 3 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
Neosem reported consolidated results for FY2025: revenue of US$43.8M (−39.25% year on year), operating profit of US$2.79M (−75.33% year on year) and net income of US$3.32M (−74.84% year on year).
Earnings · Feb 10 - Cash/in-kind dividend decision
Neosem declared a cash dividend of US$0.07 per share.
Dividend · Feb 10