Mamiya-OP 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 7991?
Owner Type	Number of Shares	Ownership Percentage
Public Companies	65,000	0.629%
Individual Insiders	541,500	5.24%
Institutions	1,155,130	11.2%
General Public	4,252,079	41.2%
Private Companies	4,315,200	41.8%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 18.7%.

Top Shareholders

Top 25 shareholders own 58.81% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
38.5%	Data-Art, Inc.	3,974,700	JP¥6.5b	0%	no data
2.51%	Matsui Securities Co. Ltd., Asset Management Arm	259,400	JP¥422.0m	6.66%	1.77%
2.23%	J-NET Co., Ltd.	230,400	JP¥374.9m	0%	no data
1.44%	Takeshi Sasaki	148,900	JP¥242.3m	0%	no data
1.37%	Rakuten Investment Management, Inc.	142,000	JP¥231.0m	264%	0.1%
1.31%	Goldman Sachs Group, Investment Banking and Securities Investments	135,100	JP¥219.8m	0%	no data
1.25%	Morgan Stanley, Investment Banking and Brokerage Investments	129,600	JP¥210.9m	0%	no data
1.11%	SBI Holdings Inc., Asset Management Arm	114,944	JP¥187.0m	23.9%	0.06%
1.01%	Tomohiro Yoshida	104,300	JP¥169.7m	0%	no data
0.95%	JPMorgan Chase & Co, Brokerage and Securities Investments	98,600	JP¥160.4m	7.41%	no data
0.83%	Japan Securities Finance Co. Ltd., Asset Management Arm	85,900	JP¥139.8m	-43.7%	0.02%
0.83%	Yoshihiko Kondo	85,400	JP¥138.9m	0%	no data
0.83%	Tokio Marine Asset Management Co., Ltd.	85,380	JP¥138.9m	0%	0.01%
0.74%	Sumitomo Mitsui Financial Group Inc., Asset Management Arm	76,498	JP¥124.5m	0%	no data
0.68%	Ntc Accounting Service K.K.	70,100	JP¥114.1m	0%	no data
0.63%	SAXA, Inc.	65,000	JP¥105.8m	0%	no data
0.52%	Kiichi Yamamoto	54,000	JP¥87.9m	0%	no data
0.52%	Chizuko Numada	54,000	JP¥87.9m	0%	no data
0.47%	Satoshi Suzuki	48,600	JP¥79.1m	0%	no data
0.39%	Fukuda Shoji, Ltd.	40,000	JP¥65.1m	0%	no data
0.39%	Masayuki Nakamura	40,000	JP¥65.1m	0%	no data
0.26%	Dimensional Fund Advisors LP	27,309	JP¥44.4m	10.1%	no data
0.026%	Takanori Shinoda	2,700	JP¥4.4m	0%	no data
0.0097%	Fujiya Mizutani	1,000	JP¥1.6m	0%	no data
0.0087%	Yuzo Takada	900	JP¥1.5m	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2024/12/24 10:53
End of Day Share Price	2024/12/24 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

Mamiya-OP 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.

Analyst	Institution