077970 - STX Engine Co,.ltd

077970 Summary

Machinery

Stock Price & Overview

₩23,550 +100 (+0.43%) Close · Sep 4, 2026 KST

KOSPI | ₩KRW | Close: ₩23,550 ≈ US$17 · Market cap ₩0.9tn (≈ $675m)

077970 Financial Statements

Breakdown ₩ bn	FY2025	FY2024	FY2023	FY2022	FY2021	FY2020	FY2019	FY2018	FY2017	FY2016	FY2015
Total Revenue	789.3	724.6	630.4	544.0	493.5	586.7	610.6	577.3	467.8	529.8	633.3
Cost of Revenue	657.4	626.1	562.5	507.1	452.2	531.5	544.1	503.3	421.5	481.1	583.1
Gross Profit	131.9	98.6	67.9	36.9	41.2	55.2	66.5	74.0	46.3	48.8	50.2
Selling, General & Administrative	62.3	56.3	49.0	45.7	37.6	40.8	36.5	42.6	36.3	—	—
Operating Income	69.6	42.2	18.9	-8.8	3.6	14.3	30.0	31.3	10.0	4.1	5.0
Finance Income	25.8	15.3	14.4	16.7	10.5	7.1	7.9	19.8	7.5	27.9	78.7
Finance Costs	37.2	35.6	29.4	29.7	18.2	20.9	20.8	26.2	27.7	35.3	52.3
Pretax Income	61.8	22.3	7.7	-28.4	-2.1	17.2	14.2	24.2	-8.8	-18.7	35.8
Income Tax Expense	-7.1	-5.0	2.0	-1.7	-3.1	-3.4	-6.2	-3.7	-2.1	9.2	-0.7
Net Income	68.9	27.2	5.7	-26.7	1.0	20.6	20.4	27.9	-6.7	-28.0	36.4
Total Comprehensive Income	68.8	27.0	0.5	-22.8	18.4	29.9	17.2	21.7	-7.9	-15.8	43.5

Breakdown ₩ tn	FY2025	FY2024	FY2023	FY2022	FY2021	FY2020	FY2019	FY2018	FY2017	FY2016	FY2015
Total Assets	1.16	0.97	0.90	0.85	0.84	0.81	0.83	0.86	0.82	0.83	0.93
Current Assets	0.73	0.56	0.49	0.47	0.43	0.44	0.44	0.49	0.44	0.45	0.57
Cash & Cash Equivalents	0.16	0.13	0.09	0.09	0.10	0.11	0.06	0.05	0.09	0.11	0.13
Inventories	0.34	0.28	0.21	0.19	0.18	0.15	0.20	0.22	0.15	0.18	0.20
Trade Receivables	0.13	0.08	0.13	0.10	0.09	0.13	0.11	0.14	0.09	0.11	0.18
Non-current Assets	0.43	0.41	0.41	0.38	0.41	0.37	0.39	0.37	0.38	0.38	0.36
Property, Plant & Equipment	0.28	0.28	0.28	0.28	0.29	0.27	0.27	0.28	0.29	0.28	0.27
Intangible Assets	0.03	0.02	0.02	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01
Total Liabilities	0.81	0.69	0.64	0.59	0.55	0.54	0.59	0.64	0.72	0.72	0.81
Current Liabilities	0.74	0.63	0.58	0.54	0.49	0.48	0.36	0.35	0.63	0.64	0.40
Non-current Liabilities	0.07	0.06	0.06	0.05	0.06	0.06	0.24	0.29	0.09	0.09	0.41
Total Equity	0.34	0.28	0.26	0.26	0.28	0.27	0.24	0.22	0.10	0.11	0.12
Share Capital	0.10	0.07	0.07	0.07	0.07	0.07	0.07	0.07	0.07	0.07	0.07
Retained Earnings	0.06	-0.41	-0.42	-0.42	-0.40	-0.40	-0.46	-0.47	-0.51	-0.50	-0.47

Breakdown ₩ bn	FY2025	FY2024	FY2023	FY2022	FY2021	FY2020	FY2019	FY2018	FY2017	FY2016	FY2015
Cash from Operating Activities	72.9	36.7	-13.3	26.6	18.2	57.4	72.9	-59.2	66.4	32.0	53.1
Cash from Investing Activities	-26.6	-14.9	3.7	-15.2	-10.1	30.2	14.1	-4.0	-40.1	-17.8	-17.2
Purchase of Property, Plant & Equipment	9.9	9.2	8.7	12.2	12.0	9.1	8.8	7.9	14.1	9.1	7.2
Cash from Financing Activities	-13.8	21.9	7.8	-27.8	-16.8	-38.6	-73.0	23.4	-41.2	-38.3	17.2
Dividends Paid	—	—	—	0.9	0.9	0.9	0.9	—	—	—	—
Net Change in Cash	32.4	43.8	-1.8	-16.4	-8.6	48.9	14.0	-39.7	-15.0	-24.1	53.2

Breakdown ₩ bn	2026 Q2	2026 Q1	2025 Q4	2025 Q3	2025 Q2	2025 Q1	2024 Q4	2024 Q3	2024 Q2	2024 Q1
Total Revenue	213.0	189.0	244.5	192.1	213.7	139.1	217.8	194.0	197.4	115.5
Cost of Revenue	171.6	156.9	219.5	160.3	167.3	110.3	190.7	174.8	163.7	96.8
Gross Profit	41.3	32.2	24.9	31.8	46.4	28.8	27.0	19.2	33.6	18.7
Selling, General & Administrative	16.4	14.6	19.6	16.4	13.0	13.4	18.8	13.8	11.8	11.9
Operating Income	25.0	17.5	5.4	15.4	33.3	15.5	8.2	5.4	21.8	6.8
Finance Income	5.0	7.2	6.2	5.5	5.2	8.9	5.6	1.9	3.4	4.4
Finance Costs	7.9	9.0	7.5	6.8	8.7	14.1	12.8	5.0	9.3	8.5
Pretax Income	23.2	16.0	7.3	14.1	30.1	10.3	1.4	2.1	15.9	2.8
Income Tax Expense	1.1	-0.7	-7.4	0.1	0.4	-0.2	-5.3	-0.1	0.0	-0.4
Net Income	22.2	16.7	14.6	14.0	29.7	10.5	6.7	2.2	15.9	2.4
Total Comprehensive Income	22.5	17.4	12.4	15.5	29.7	11.1	5.5	2.1	16.6	2.8

Breakdown ₩ tn	2026 Q2	2026 Q1	2025 Q4	2025 Q3	2025 Q2	2025 Q1	2024 Q4	2024 Q3	2024 Q2	2024 Q1
Total Assets	1.22	1.21	1.16	1.10	1.05	0.95	0.97	0.98	0.99	0.97
Current Assets	0.78	0.77	0.73	0.67	0.64	0.53	0.56	0.57	0.60	0.57
Cash & Cash Equivalents	0.11	0.11	0.16	0.17	0.11	0.04	0.13	0.10	0.10	0.11
Inventories	0.40	0.36	0.34	0.30	0.30	0.32	0.28	0.29	0.30	0.29
Trade Receivables	0.13	0.17	0.13	0.09	0.14	0.09	0.08	0.12	0.12	0.10
Non-current Assets	0.44	0.44	0.43	0.43	0.42	0.42	0.41	0.41	0.40	0.40
Property, Plant & Equipment	0.28	0.28	0.28	0.27	0.27	0.27	0.28	0.28	0.28	0.28
Intangible Assets	0.03	0.03	0.03	0.03	0.02	0.02	0.02	0.02	0.02	0.02
Total Liabilities	0.83	0.85	0.81	0.77	0.74	0.66	0.69	0.71	0.72	0.71
Current Liabilities	0.76	0.78	0.74	0.70	0.67	0.59	0.63	0.64	0.66	0.65
Non-current Liabilities	0.07	0.07	0.07	0.07	0.07	0.07	0.06	0.07	0.06	0.06
Total Equity	0.38	0.36	0.34	0.33	0.32	0.29	0.28	0.27	0.27	0.26
Share Capital	0.10	0.10	0.10	0.10	0.10	0.10	0.07	0.07	0.07	0.07
Retained Earnings	0.10	0.08	0.06	0.05	0.04	0.01	-0.41	-0.41	-0.41	-0.42

Breakdown ₩ bn	2026 Q2	2026 Q1	2025 Q4	2025 Q3	2025 Q2	2025 Q1	2024 Q4	2024 Q3	2024 Q2	2024 Q1
Cash from Operating Activities	19.3	-76.3	1.2	58.3	59.5	-46.2	67.9	-1.3	-17.5	-12.4
Cash from Investing Activities	-3.8	-12.0	-10.9	-8.4	-4.0	-3.4	-6.2	-4.8	-2.6	-1.3
Purchase of Property, Plant & Equipment	3.7	4.1	3.7	2.3	2.1	1.8	4.1	2.4	1.2	1.5
Cash from Financing Activities	-11.8	33.7	6.8	7.4	9.6	-37.6	-29.9	3.6	16.2	32.0
Dividends Paid	—	—	—	—	—	—	—	2.5	2.8	2.2
Net Change in Cash	3.7	-54.7	-2.8	57.4	65.1	-87.2	31.9	-3.2	-3.5	18.6

Consolidated (CFS), from DART. 11 fiscal years and 10 quarters. Accounts matched on IFRS account_id, not Korean labels, so the same line holds across years where the Korean wording changed. Quarterly figures are three-month values: income quarters from DART's three-month column, cash-flow quarters differenced from DART's cumulative figures, and Q4 as annual minus nine-month cumulative.

077970 Growth

FY2025 ₩bn	Latest	1-yr	3-yr CAGR	5-yr CAGR	10-yr CAGR
Revenue	789.3	+8.9%	+13.2%	+6.1%	+2.2%
Operating income	69.6	+64.8%	—	+37.1%	+30.0%
Net income	68.9	+153.3%	—	+27.3%	+6.6%
EPS	₩1,717	+153.3%	—	+27.3%	+6.6%
Operating cash flow	72.9	+98.5%	+40.0%	+4.9%	+3.2%
Shareholders' equity	343.0	+24.0%	+9.6%	+5.2%	+10.8%

Compound annual growth from the DART annual statements on this page. n/m where either end of the period is a loss or missing. EPS uses today's share count for every year.

077970 Profitability

Ratio	FY2025	FY2024	FY2023	FY2022	FY2021	FY2020
Gross margin	16.7%	13.6%	10.8%	6.8%	8.4%	9.4%
Operating margin	8.8%	5.8%	3.0%	-1.6%	0.7%	2.4%
Net margin	8.7%	3.8%	0.9%	-4.9%	0.2%	3.5%
Return on equity	22.3%	10.2%	2.2%	-9.8%	0.4%	8.2%
Return on assets	6.5%	2.9%	0.6%	-3.2%	0.1%	2.5%
Operating cash flow / revenue	9.2%	5.1%	-2.1%	4.9%	3.7%	9.8%
Capex / revenue	1.3%	1.3%	1.4%	2.2%	2.4%	1.6%

Margins divide by revenue for the same year. Return on equity and assets divide net income by the average of that year's and the prior year's balance, as DART reports them (consolidated, including minority interests).

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What a US investor should know

Trading hours09:00–15:30 KST — 20:00–02:30 US Eastern the night before.
Daily limitKorean stocks can move at most ±30% in a session before trading halts.
Getting exposureKRX shares are not directly tradable in most US brokerage accounts. The usual routes are Korea ETFs or an international account.
ReportingKorean issuers file to DART, not the SEC. Half-year and quarterly reports land about 45 days after period end.