Joosung
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
Joosung makes signal repeaters and related hardware that boost mobile network coverage, along with fiber-optic solutions for next-generation network infrastructure.
It supplies these products to major telecom carriers in South Korea and Japan, including LGU+, KT, NTT DOCOMO, and DKK. Listed on KOSPI, Korea's main stock exchange, the company has recently expanded beyond telecom equipment into freight-forwarding logistics, arranging the collection, shipping, and delivery of cargo on behalf of customers.
Summary is AI-generated and may contain errors · figures from DART filings
Joosung's controlling shareholder is Joosung Group, a Korean conglomerate that was already operating in the freight-forwarding business before transferring that know-how to the listed company.
Joosung in five facts
What does Joosung do?
Joosung makes signal repeaters and related hardware that boost mobile network coverage, along with fiber-optic solutions for next-generation network infrastructure.
Where is Joosung listed and in which sector?
Joosung (Korean name: 주성코퍼레이션) trades under KRX code 109070 on KOSPI, the main board of the Korea Exchange. It is classified in the Information Technology sector, Hardware & Devices.
How large is Joosung?
Its market capitalisation was US$57.9M on 2026-10-21, which puts it in this site's small-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were Joosung's latest annual revenue and operating profit?
For fiscal year 2025, Joosung reported revenue of US$64.5M, operating profit of US$2.4M and net income of US$1.5M, per its annual report on DART (data retrieved from DART on 2026-09-17). Revenue was up 24.1% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-09-17
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, 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.
- Change in shares held by the largest shareholderSep 21
- Report on large shareholdings (5% rule) (standard)Sep 21
- Report on securities held by executives/major shareholdersSep 21
- Material management matter relevant to investment decisionsSep 18
- Results of rights offering or equity-linked bond issuance (voluntary)
Joosung Corporation completed a third-party allocation paid-in capital increase on September 18, 2026, issuing 1,987,594 ordinary shares for a total of US$8.71M (US$4.38 per share), with scheduled listing on October 15, 2026 and a one-year mandatory holding period from listing.
Capital raise · Sep 18 - Completion report on merger, etc.
Joosung Corporation reports the completion of a business transfer as of September 17, 2026. The company processed stock purchase rights requests totaling 33,863 shares at a benchmark purchase price of US$1.14 per share, with payment of US$35.3K completed for 31,121 shares on September 8, 2026, and the remaining shares to be processed according to established procedures.
M&A · Sep 17 - [Amended] Material event report (rights offering)
Joosung updated the terms of a private placement (third-party allotment) to raise US$10.9M, about 19.9% of its market value.
Capital raise · Sep 17 · 4 versions - [Amended] Material event report (convertible bonds)
Joosung updated the terms of convertible bonds to raise US$21.7M, about 39.9% of its market value.
Capital raise · Sep 17 · 4 versions - Change in shares held by the largest shareholderSep 10
- Report on securities held by executives/major shareholdersSep 10
- Report on securities held by executives/major shareholdersSep 10
- Report on securities held by executives/major shareholdersSep 10
- Report on large shareholdings (5% rule) (standard)Sep 10
- [Amended] DisclosureSep 2
- Other management matter (voluntary)Aug 31
- [Amended] Material event report (business acquisition)
Joosung Corporation Co., Ltd. amends its July 9, 2026 report on acquiring BNP Joosung Co., Ltd.'s logistics business for US$14.1M: the acquisition record date for the US$11.3M (80%) balance payment moves from August 10 to September 17, 2026, funding switches from cash-plus-CB-issuance to cash on hand only, a counterparty address typo is corrected, and a stock-price typo in the appraisal-rights calculation is fixed.
M&A · Aug 5 · 2 versions - [Amended] Supply contract signed
Joosung updated a previously disclosed supply contract with LG Uplus, now worth US$1.02M, about 6.36% of its recent annual revenue, running through May 2026.
Supply contract · May 20 - Change of 30% or more in revenue or profit/loss structure (15% for large companies)
Joosung reported consolidated results for FY2025: revenue of US$58.9M (+24.3% year on year), operating profit of US$2.21M (−14.7% year on year) and net income of US$1.85M (−41.7% year on year).
Earnings · Feb 3