Yest
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Yest makes the heat and pressure processing equipment used to manufacture semiconductors and displays, the machines that apply controlled temperature and force at key stages of chip and screen production.
Its customers are chipmakers and display panel producers, and it supplies both domestic and international markets. Listed on KOSDAQ, Korea's tech-focused small-cap exchange, the company also operates two consolidated subsidiaries that handle semiconductor process infrastructure components and process parts, giving it a presence across equipment and components within the same supply chain.
Summary is AI-generated and may contain errors · figures from DART filings
Beyond its core equipment business, Yest runs two subsidiaries covering semiconductor process infrastructure and process components, making it a multi-segment supplier rather than a pure equipment maker.
Yest in five facts
What does Yest do?
Yest makes the heat and pressure processing equipment used to manufacture semiconductors and displays, the machines that apply controlled temperature and force at key stages of chip and screen production.
Where is Yest listed and in which sector?
Yest (Korean name: 예스티) trades under KRX code 122640 on KOSDAQ, the Korea Exchange's board for smaller and growth companies. It is classified in the Industrials sector, Machinery.
How large is Yest?
Its market capitalisation was US$500M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Yest's latest annual revenue and operating profit?
For fiscal year 2025, Yest reported revenue of US$65.7M, operating profit of US$2.9M and net income of US$502.4K, per its annual report on DART (data retrieved from DART on 2026-09-17). Revenue was down 13.0% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-09-17
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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.
- [Amended] Supply contract signedSupply contract · Oct 20 · 2 versions
- Report on securities held by executives/major shareholdersOct 6
- Supply contract signed
Yest disclosed a supply contract with Samsung Electronics, worth US$12.7M, about 20.19% of its recent annual revenue, running through Jun 2027.
Supply contract · Aug 25 - [Amended] Supply contract signed
Yest amended the contract period of its previously disclosed semiconductor manufacturing equipment supply contract with ULVAC Korea, extending the end date from August 18, 2026 to November 30, 2026; delivery was already completed on August 11, 2026.
Supply contract · Aug 12 - Supply contract signed
Yest disclosed a supply contract with Samsung Electronics, worth US$14.9M, about 26.21% of its recent annual revenue, running through Dec 2027.
Supply contract · Jun 4 - Supply contract signed
Yest disclosed a supply contract with Samsung Electronics, worth US$8.19M, about 14.22% of its recent annual revenue, running through Nov 2026.
Supply contract · Jun 1 - Supply contract signed (voluntary)
Yest disclosed a supply contract with Samsung Electronics, worth US$5.5M, about 9.51% of its recent annual revenue, running through Dec 2026.
Supply contract · May 26 - [Amended] Supply contract signed (voluntary)
Yest updated a previously disclosed supply contract with Samsung Electronics, now worth US$5.18M, about 7.62% of its recent annual revenue, running through Dec 2026.
Supply contract · Apr 27 · 2 versions - [Amended] Supply contract signed (voluntary)
Yest updated a previously disclosed supply contract with Samsung Electronics, now worth US$3.7M, about 5.54% of its recent annual revenue, running through Sep 2026.
Supply contract · Mar 25 - Supply contract signed (voluntary)
Yest disclosed a supply contract with Samsung Electronics, worth US$5.67M, about 8.41% of its recent annual revenue, running through Dec 2026.
Supply contract · Mar 9 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
Yest reported consolidated results for FY2025: revenue of US$59.7M (−13.16% year on year), operating profit of US$2.64M (−65.89% year on year) and net income of US$276K (−96.42% year on year).
Earnings · Feb 11