007660 - ISU Petasys Co., Ltd.

007660 Summary

Semiconductors

Stock Price & Overview

₩111,100 +5,100 (+4.81%) Close · Sep 4, 2026 KST

KOSPI | ₩KRW | Close: ₩111,100 ≈ US$79 · Market cap ₩8.2tn (≈ $5.8bn)

007660 Financial Statements

Breakdown ₩ tn	FY2025	FY2024	FY2023	FY2022	FY2021	FY2020	FY2019	FY2018	FY2017	FY2016	FY2015
Total Revenue	1.09	0.84	0.68	0.64	0.47	0.39	0.51	0.56	0.53	0.55	0.52
Cost of Revenue	0.81	0.68	0.56	0.48	0.38	0.34	0.49	0.50	0.49	0.50	0.46
Gross Profit	0.28	0.16	0.12	0.16	0.09	0.05	0.03	0.06	0.04	0.06	0.06
Selling, General & Administrative	0.08	0.05	0.05	0.05	0.04	0.04	0.05	0.05	0.05	0.05	0.04
Operating Income	0.20	0.10	0.06	0.12	0.05	0.01	-0.02	0.01	-0.01	0.01	0.02
Finance Income	0.04	0.04	0.03	0.03	0.01	0.01	0.00	0.00	0.00	0.00	0.00
Finance Costs	0.05	0.05	0.04	0.04	0.02	0.02	0.01	0.01	0.01	0.01	0.01
Pretax Income	0.20	0.09	0.05	0.11	0.04	0.00	-0.07	-0.00	-0.01	0.01	0.02
Income Tax Expense	0.04	0.02	0.01	0.01	0.01	0.00	0.02	0.01	0.00	0.01	0.01
Net Income	0.16	0.07	0.05	0.10	-0.00	-0.01	-0.09	-0.01	-0.01	0.00	0.01
Total Comprehensive Income	0.16	0.07	0.05	0.09	-0.00	-0.02	-0.10	0.01	-0.02	0.00	0.01

Breakdown ₩ tn	FY2025	FY2024	FY2023	FY2022	FY2021	FY2020	FY2019	FY2018	FY2017	FY2016	FY2015
Total Assets	1.29	0.79	0.63	0.55	0.45	0.39	0.42	0.51	0.48	0.55	0.51
Current Assets	0.86	0.52	0.38	0.37	0.31	0.22	0.22	0.27	0.27	0.34	0.24
Cash & Cash Equivalents	0.16	0.08	0.05	0.05	0.04	0.02	0.03	0.03	0.07	0.06	0.06
Inventories	0.30	0.19	0.18	0.17	0.11	0.09	0.08	0.09	0.07	0.07	0.06
Trade Receivables	0.21	0.23	0.15	0.14	0.11	0.09	0.09	0.13	0.09	0.12	0.09
Non-current Assets	0.43	0.27	0.24	0.17	0.14	0.17	0.19	0.24	0.21	0.21	0.26
Property, Plant & Equipment	0.31	0.20	0.19	0.13	0.11	0.13	0.14	0.19	0.16	0.15	0.21
Intangible Assets	0.01	0.01	0.00	0.00	0.00	0.00	0.00	0.02	0.02	0.02	0.02
Total Liabilities	0.53	0.46	0.36	0.32	0.32	0.32	0.34	0.33	0.31	0.35	0.31
Current Liabilities	0.42	0.38	0.29	0.29	0.30	0.30	0.30	0.27	0.26	0.26	0.23
Non-current Liabilities	0.12	0.09	0.07	0.04	0.03	0.03	0.04	0.06	0.06	0.09	0.07
Total Equity	0.76	0.33	0.27	0.22	0.13	0.07	0.08	0.18	0.17	0.20	0.20
Share Capital	0.07	0.06	0.06	0.06	0.06	0.04	0.04	0.04	0.04	0.04	0.04
Retained Earnings	0.33	0.17	0.11	0.08	-0.01	0.00	0.02	0.12	0.13	0.15	0.15

Breakdown ₩ bn	FY2025	FY2024	FY2023	FY2022	FY2021	FY2020	FY2019	FY2018	FY2017	FY2016	FY2015
Cash from Operating Activities	168.8	84.9	52.5	29.8	4.0	-22.2	15.5	-26.6	6.7	-0.1	48.8
Cash from Investing Activities	-346.7	-63.0	-61.4	-12.3	-22.9	3.3	-21.6	-16.7	11.0	-10.5	-31.2
Purchase of Property, Plant & Equipment	153.5	59.9	65.2	39.7	16.0	11.4	22.1	25.8	39.1	—	—
Cash from Financing Activities	262.2	3.1	10.3	-17.2	62.4	19.3	7.0	1.5	-9.0	11.4	-13.2
Dividends Paid	9.5	6.3	6.3	—	—	2.4	2.8	2.8	4.0	3.6	3.2
Net Change in Cash	84.3	25.0	1.3	1.3	21.2	-3.9	1.6	-40.0	5.0	-1.5	4.6

Breakdown ₩ bn	2026 Q2	2026 Q1	2025 Q4	2025 Q3	2025 Q2	2025 Q1	2024 Q4	2024 Q3	2024 Q2	2024 Q1
Total Revenue	379.9	340.3	298.0	296.1	241.4	252.5	226.1	206.4	204.7	199.6
Cost of Revenue	284.5	255.8	214.7	219.4	185.5	186.1	186.4	169.8	162.4	161.6
Gross Profit	95.3	84.4	83.2	76.7	55.9	66.4	39.7	36.6	42.3	38.0
Selling, General & Administrative	18.3	17.2	26.7	18.3	13.9	18.7	14.2	10.7	14.8	15.0
Operating Income	77.1	67.2	56.5	58.4	42.1	47.7	25.5	25.9	27.5	23.0
Finance Income	10.1	17.7	14.8	1.0	16.2	12.4	20.8	0.2	6.9	9.4
Finance Costs	9.6	19.5	14.7	0.1	18.5	14.0	21.4	5.6	8.0	11.1
Pretax Income	76.8	64.5	54.3	60.1	40.7	46.5	24.8	18.7	26.9	21.4
Income Tax Expense	17.0	14.0	10.7	12.9	9.3	8.2	4.9	4.2	4.8	3.8
Net Income	59.7	50.4	43.6	47.2	31.4	38.3	19.9	14.5	22.0	17.5
Total Comprehensive Income	62.7	57.8	40.7	49.6	28.0	38.4	16.1	11.9	22.7	16.4

Breakdown ₩ tn	2026 Q2	2026 Q1	2025 Q4	2025 Q3	2025 Q2	2025 Q1	2024 Q4	2024 Q3	2024 Q2	2024 Q1
Total Assets	1.47	1.35	1.29	1.17	1.08	0.81	0.79	0.66	0.66	0.65
Current Assets	0.97	0.90	0.86	0.77	0.73	0.50	0.52	0.41	0.41	0.40
Cash & Cash Equivalents	0.14	0.11	0.16	0.14	0.06	0.07	0.08	0.07	0.05	0.04
Inventories	0.37	0.33	0.30	0.23	0.22	0.19	0.19	0.16	0.16	0.16
Trade Receivables	0.34	0.32	0.21	0.23	0.22	0.21	0.23	0.17	0.19	0.19
Non-current Assets	0.50	0.45	0.43	0.40	0.35	0.30	0.27	0.25	0.25	0.25
Property, Plant & Equipment	0.36	0.33	0.31	0.28	0.23	0.21	0.20	0.21	0.21	0.20
Intangible Assets	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01
Total Liabilities	0.61	0.55	0.53	0.45	0.41	0.45	0.46	0.35	0.36	0.37
Current Liabilities	0.45	0.44	0.42	0.36	0.33	0.36	0.38	0.29	0.30	0.31
Non-current Liabilities	0.16	0.12	0.12	0.09	0.08	0.09	0.09	0.06	0.06	0.07
Total Equity	0.86	0.80	0.76	0.72	0.67	0.36	0.33	0.31	0.30	0.28
Share Capital	0.07	0.07	0.07	0.07	0.07	0.06	0.06	0.06	0.06	0.06
Retained Earnings	0.42	0.36	0.33	0.28	0.23	0.20	0.17	0.16	0.15	0.13

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	26.8	-76.5	50.0	69.2	2.5	47.0	-8.3	55.7	36.9	0.6
Cash from Investing Activities	-5.5	15.2	-48.6	0.9	-249.5	-49.5	-30.4	-10.5	-10.5	-11.6
Purchase of Property, Plant & Equipment	46.2	32.8	50.9	51.8	37.3	13.5	15.1	14.8	18.8	11.2
Cash from Financing Activities	13.8	-1.1	23.8	7.3	236.3	-5.2	39.5	-18.7	-22.3	4.5
Dividends Paid	16.9	0.0	0.0	0.0	—	—	0.0	0.0	—	—
Net Change in Cash	35.1	-62.4	25.2	77.4	-10.7	-7.7	0.8	26.5	4.1	-6.5

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.

007660 Growth

FY2025 ₩bn	Latest	1-yr	3-yr CAGR	5-yr CAGR	10-yr CAGR
Revenue	1,088.0	+30.0%	+19.2%	+22.6%	+7.6%
Operating income	204.7	+100.9%	+20.6%	+74.1%	+26.1%
Net income	160.5	+116.8%	+16.1%	—	+37.9%
EPS	₩2,186	+116.8%	+16.1%	—	+37.9%
Operating cash flow	168.8	+98.8%	+78.3%	—	+13.2%
Shareholders' equity	756.2	+130.9%	+50.4%	+63.3%	+14.3%

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.

007660 Profitability

Ratio	FY2025	FY2024	FY2023	FY2022	FY2021	FY2020
Gross margin	25.9%	18.7%	17.2%	25.5%	18.2%	13.0%
Operating margin	18.8%	12.2%	9.2%	18.1%	10.0%	3.3%
Net margin	14.7%	8.8%	7.1%	15.9%	-0.8%	-3.4%
Return on equity	29.6%	24.9%	19.5%	58.9%	-3.8%	-19.1%
Return on assets	15.4%	10.5%	8.1%	20.6%	-0.9%	-3.4%
Operating cash flow / revenue	15.5%	10.1%	7.8%	4.6%	0.8%	-5.6%
Capex / revenue	14.1%	7.2%	9.7%	6.2%	3.4%	2.9%

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.