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Seojin System Co 178320.KQ · KRW

Information Technology · KOSDAQ · 🇰🇷 South Korea

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27,600

-2.65%

Close of 9 Nov 2026, in KRW

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

At a glance

Figures in KRW, from our data supplier.

FY2025

Revenue

₩1.07trn

FY2016FY2025

Net income

−₩101.24bn

FY2016FY2025

Free cash flow

−₩371.78bn

FY2016FY2025

Shareholders' equity

₩733.46bn

FY2016FY2025

Income statement

Fiscal years

FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Revenue₩1.07trn₩1.21trn₩778.69bn₩735.99bn₩606.15bn₩321.90bn₩392.36bn₩324.58bn₩237.95bn₩165.87bn
Gross profit₩217.26bn₩213.42bn₩216.27bn₩193.18bn₩166.12bn₩85.94bn₩92.07bn₩63.24bn₩43.55bn₩42.56bn
Research and development₩6.37bn₩5.14bn₩4.01bn₩4.02bn₩5.90bn₩6.13bn—₩4.19bn₩6.62bn₩2.94bn
Operating income₩1.15bn—₩48.60bn₩59.69bn₩57.90bn₩4.91bn₩54.40bn₩36.28bn₩17.70bn₩24.37bn
Net income−₩101.24bn₩84.26bn−₩22.56bn₩1.61bn₩38.61bn−₩5.51bn₩48.65bn₩30.11bn₩5.39bn₩19.63bn
Diluted earnings per share-1,803.061,497.94-603.1742.871,027.35-152.131,343.822,068.26196.481,039.45

Balance sheet

At each fiscal year end

FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Total assets₩2.31trn₩2.10trn₩1.52trn₩1.38trn₩1.05trn₩692.05bn₩563.04bn₩437.78bn₩259.23bn₩226.33bn
Cash and short-term investments—₩41.63bn₩18.63bn₩20.40bn₩25.32bn₩22.01bn₩26.75bn₩25.64bn₩19.78bn₩13.43bn
Total liabilities₩1.57trn₩1.23trn₩1.02trn₩845.24bn₩689.83bn₩450.15bn₩299.53bn₩220.90bn₩140.52bn₩153.82bn
Debt₩155.40bn₩828.63bn₩658.47bn₩484.81bn₩440.02bn₩335.57bn₩216.66bn₩105.76bn₩91.57bn₩83.55bn
Shareholders' equity₩733.46bn₩869.99bn₩498.20bn₩539.57bn₩360.18bn₩241.90bn₩263.51bn₩216.88bn₩118.71bn₩72.50bn
Shares outstanding56m56m37m38m38m36m36m15m27m19m

Cash flow

Fiscal years

FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Cash from operations−₩39.76bn−₩113.46bn₩42.58bn₩24.18bn−₩5.33bn−₩36.06bn−₩18.49bn₩70.54bn−₩8.01bn₩38.38bn
Capital spending−₩332.02bn−₩180.00bn−₩164.20bn−₩163.84bn−₩120.61bn−₩110.47bn−₩62.44bn−₩147.30bn−₩36.17bn−₩40.37bn
Free cash flow−₩371.78bn−₩293.46bn−₩121.63bn−₩139.67bn−₩125.94bn−₩146.53bn−₩80.92bn−₩76.76bn−₩44.18bn−₩1.99bn
Dividends paid———−₩5.64bn—−₩5.43bn−₩3.62bn−₩624.9m−₩1.72bn−₩1.72bn

Latest quarters

By quarter end

Jun 2026Mar 2026Dec 2025Sept 2025Jun 2025Mar 2025Dec 2024Sept 2024
Revenue₩410.18bn₩280.17bn₩310.99bn₩215.50bn₩258.58bn₩281.27bn₩264.39bn₩314.83bn
Gross profit₩54.31bn₩31.98bn₩57.85bn−₩12.77bn₩17.25bn₩48.13bn₩28.38bn₩84.97bn
Operating income−₩9.49bn−₩32.96bn—−₩24.02bn——₩44.96bn₩33.29bn
Net income−₩40.62bn−₩20.42bn₩26.03bn−₩47.83bn−₩80.67bn₩1.23bn₩8.00bn₩23.96bn
Diluted earnings per share-638.89-344.77439.45-851.82-1,434.2621.88142.28433.79
Cash from operations−₩210.92bn−₩24.18bn₩44.29bn−₩38.04bn−₩46.61bn₩602.0m−₩29.79bn−₩85.95bn
Capital spending−₩105.79bn−₩68.12bn−₩117.23bn−₩53.64bn−₩112.82bn−₩48.32bn−₩65.83bn−₩56.95bn
Free cash flow−₩316.71bn−₩92.29bn−₩72.94bn−₩91.68bn−₩159.43bn−₩47.72bn−₩95.62bn−₩142.90bn
Total assets₩3.04trn₩2.56trn₩2.31trn₩2.14trn₩2.11trn₩2.15trn₩2.10trn₩1.79trn
Cash and short-term investments——————₩41.63bn₩13.52bn
Debt₩123.77bn₩146.36bn₩155.40bn₩259.44bn₩254.30bn₩188.10bn₩751.67bn₩549.61bn
Shareholders' equity₩986.50bn₩824.84bn₩733.46bn₩701.32bn₩740.65bn₩868.17bn₩869.99bn₩812.84bn

Financial ratios

Data as of 27 Aug 2026

FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018
Gross margin20.4%17.6%27.8%26.2%27.4%26.7%——
Operating margin0.1%—6.2%8.1%9.6%1.5%13.9%—
Net margin-9.5%6.9%-2.9%0.2%6.4%-1.7%——
Return on equity-13.8%9.7%-4.5%0.3%10.7%-2.3%——
Return on assets-4.4%4.0%-1.5%0.1%3.7%-0.8%——
Free cash flow yield———————36.2%
Revenue growth-12.1%55.9%5.8%21.4%88.3%-18.0%——
Earnings growth-220.2%-473.5%-1500.3%-95.8%-801.0%-111.3%——
Current ratio0.87x1.29x0.85x1.10x1.21x1.08x——
Debt to equity0.21x0.84x0.79x0.69x1.10x1.17x——
Equity ratio31.8%41.4%32.8%39.0%34.3%35.0%——
Interest coverage0.02x—1.09x2.05x2.75x0.39x——
R&D as a share of sales0.6%0.4%0.5%0.5%1.0%1.9%——

Growth per year

Compound annual rate

3 years5 years10 years
Revenue13.2%27.1%29.9%
Operating income-73.2%-25.2%-25.8%
Net income—79.0%—

Average margins

Over each period

1 year3 years5 years10 years
Gross margin18.9%22.1%23.1%23.1%
Net margin-0.7%-1.0%-0.1%2.0%

Valuation history

At each fiscal year end

FY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017
Price to earnings-14.017.9-30.1408.221.0-166.310.74.240.4
Price to sales1.31.20.90.91.32.91.30.40.9

Dividends and splits

Per share, in the currency the company pays

Paid for 0 years. Last went ex-dividend on 29 Dec 2021.

FY2022FY2020FY2019FY2018
Paid in the year150.00150.00100.0022.785
  • 2-for-1 split · 13 Apr 2022
  • 2-for-1 split · 14 Dec 2018

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

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