SEIKOH GIKEN 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 6834?
Owner Type	Number of Shares	Ownership Percentage
Institutions	388,860	4.25%
General Public	2,983,163	32.6%
Individual Insiders	5,785,860	63.2%

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

Top Shareholders

Top 21 shareholders own 69.73% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
11.9%	Yumiko Tomaru	1,084,900	JP¥6.3b	0%	no data
11.1%	Yukiko Hosoe	1,016,000	JP¥5.9b	0%	no data
9.56%	Masatoshi Ueno	875,360	JP¥5.1b	2.86%	no data
6.37%	Tamotsu Kimura	583,200	JP¥3.4b	0%	no data
5.5%	Nomura Asset Management Co., Ltd.	503,500	JP¥2.9b	0%	0.01%
4.23%	Saki Mukaiyama	387,800	JP¥2.2b	0%	no data
4.23%	Miki Nakamura	387,800	JP¥2.2b	0%	no data
3.82%	Jun Ueno	349,900	JP¥2.0b	0%	no data
3.75%	Chie Yoshida	343,000	JP¥2.0b	0%	no data
2.54%	Kazuki Hosoe	232,300	JP¥1.3b	0%	no data
2.54%	Naoki Hosoe	232,200	JP¥1.3b	0%	no data
2.53%	Misato Hosoe	232,000	JP¥1.3b	0%	no data
0.78%	Samarang Asset Management S.A.	71,200	JP¥413.0m	0%	1.27%
0.44%	Guan Ming Lai	40,000	JP¥232.0m	0%	no data
0.28%	Dimensional Fund Advisors LP	25,204	JP¥146.2m	-19.7%	no data
0.11%	Toshio Aiba	10,500	JP¥60.9m	0%	no data
0.059%	Toru Miyoshi	5,400	JP¥31.3m	0%	no data
0.026%	Yasuhiko Mori	2,400	JP¥13.9m	0%	no data
0.022%	Katsuhiko Okubo	2,000	JP¥11.6m	0%	no data
0.012%	Masataka Karasawa	1,100	JP¥6.4m	0%	no data
0.0011%	American Century Investment Management Inc	100	JP¥579.0k	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2024/12/22 05:58
End of Day Share Price	2024/12/20 00:00
Earnings	2024/09/30
Annual Earnings	2024/03/31

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 here.

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 .

Analyst Sources

SEIKOH GIKEN Co., Ltd. is covered by 3 analysts. 2 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
Yoshiki Yuge	Daiwa Securities Co. Ltd.
Koichi Hariya	Ichiyoshi Research Institute Inc.
Hidekazu Miyahara	Marusan Securities Co. Ltd.