Adtec Plasma Technology 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 6668?
Owner Type	Number of Shares	Ownership Percentage
Employee Share Scheme	101,800	1.19%
Institutions	902,371	10.5%
Individual Insiders	2,427,500	28.3%
General Public	5,135,596	59.9%

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

Top Shareholders

Top 16 shareholders own 42.62% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
22.8%	Shuitsu Fujii	1,949,800	JP¥2.5b	0%	no data
4.57%	SBI Asset Management Co., Ltd.	391,700	JP¥492.4m	0%	0.02%
3.77%	Asset Management One Co., Ltd.	323,400	JP¥406.5m	0%	no data
2.45%	Yoshiki Sasaki	210,000	JP¥264.0m	61.5%	no data
1.53%	Iyasaka Asset Management Co., Ltd.	131,100	JP¥164.8m	0%	no data
1.51%	Daiwa Asset Management Co., Ltd.	129,000	JP¥162.2m	0%	no data
1.3%	Yoshiro Shimane	111,600	JP¥140.3m	77.1%	no data
1.19%	Adtec Plasma Technology Co. Ltd., ESOP	101,800	JP¥128.0m	6.26%	no data
1.11%	SBI Holdings, Inc.	94,703	JP¥119.0m	97.2%	0.01%
1.06%	Toshinobu Ochi	90,900	JP¥114.3m	12.9%	no data
0.6%	Dimensional Fund Advisors LP	51,600	JP¥64.9m	114%	no data
0.38%	Hidenori Morishita	32,700	JP¥41.1m	9%	no data
0.17%	Hiroki Goto	14,800	JP¥18.6m	9.63%	no data
0.16%	Toshihiro Takahara	13,800	JP¥17.3m	23.2%	no data
0.046%	Kazuhiro Sakatani	3,900	JP¥4.9m	-33.9%	no data
0.0023%	Connor, Clark & Lunn Investment Management Ltd.	200	JP¥250.9k	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/12/30 18:09
End of Day Share Price	2025/12/30 00:00
Earnings	2025/08/31
Annual Earnings	2025/08/31

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

Adtec Plasma Technology Co., Ltd. is covered by 0 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.