ISC Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of A095340?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	31,120	0.152%
Private Companies	56,230	0.275%
Sovereign Wealth Funds	1,079,480	5.27%
General Public	3,738,795	18.3%
Institutions	5,279,430	25.8%
Public Companies	10,279,137	50.2%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 81.48% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
50.2%	SKC Co., Ltd.	10,279,137	₩1.6t	7.7%	no data
5.28%	Samsung Asset Management Company, Ltd.	1,079,912	₩166.6b	0.2%	1.74%
5.27%	GIC Private Limited	1,079,480	₩166.6b	0%	0.17%
4.25%	National Pension Service	869,747	₩134.2b	-33.4%	0.02%
4.14%	Norges Bank Investment Management	846,235	₩130.6b	0%	no data
2.7%	Mirae Asset Global Investments Co., Ltd.	553,023	₩85.3b	-47.7%	0.03%
2.12%	Baron Capital Group, Inc.	433,149	₩66.8b	-11.4%	0.1%
1.94%	Vanguard Capital Management, LLC	397,029	₩61.3b	1.14%	no data
1.05%	BlackRock, Inc.	214,033	₩33.0b	-2.05%	no data
1.03%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	210,023	₩32.4b	1.24%	no data
0.96%	Franklin Templeton Inc.	197,246	₩30.4b	101%	0.01%
0.39%	Dimensional Fund Advisors LP	79,265	₩12.2b	3.92%	no data
0.37%	Huatai-PineBridge Fund Management Co., Ltd.	76,112	₩11.7b	0%	0.01%
0.27%	Helios Private Equity Fund 1 Co., Ltd.	56,230	₩8.7b	-92.9%	no data
0.26%	American Century Investment Management Inc	53,290	₩8.2b	1.95%	no data
0.18%	Charles Schwab Investment Management, Inc.	37,114	₩5.7b	15.2%	no data
0.17%	State Street Investment Management	34,880	₩5.4b	198%	no data
0.15%	UBS Asset Management AG	30,274	₩4.7b	0%	no data
0.13%	Kim Jeong Ryeol	26,820	₩4.1b	0%	no data
0.13%	Fuh Hwa Securities Investment Trust Co., Ltd.	26,716	₩4.1b	0%	0.01%
0.12%	Herald Investment Management Ltd.	24,393	₩3.8b	0%	0.18%
0.12%	Massachusetts Financial Services Company	24,052	₩3.7b	-10.1%	no data
0.097%	William Blair Investment Management, LLC	19,761	₩3.0b	40%	no data
0.079%	Acadian Asset Management LLC	16,166	₩2.5b	60.3%	no data
0.045%	Matthews International Capital Management, LLC	9,120	₩1.4b	0%	0.01%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/08/21 17:40
End of Day Share Price	2026/08/21 00:00
Earnings	2026/03/31
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

ISC Co., Ltd. is covered by 18 analysts. 10 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Josh Yang	Citigroup Inc
Sunghyuk Oh	Citigroup Inc
Hyonseok Kim	CLSA