gumi 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 3903?
Owner Type	Number of Shares	Ownership Percentage
Institutions	2,541,944	4.74%
Private Companies	3,387,500	6.32%
Individual Insiders	3,643,600	6.8%
Public Companies	17,640,000	32.9%
General Public	26,389,990	49.2%

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

Top Shareholders

Top 25 shareholders own 54.47% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
30.7%	SBI Holdings, Inc.	16,460,000	JP¥5.9b	0%	0.25%
6.32%	SUPER STATE HOLDINGS Inc	3,387,500	JP¥1.2b	0%	no data
2.94%	Hironao Kunimitsu	1,578,100	JP¥561.8m	0%	no data
2.48%	Nomura Asset Management Co., Ltd.	1,332,000	JP¥474.2m	-4.33%	no data
2.2%	Square Enix Holdings Co., Ltd.	1,180,000	JP¥420.1m	0%	no data
1.86%	Hiroyuki Kawamoto	995,800	JP¥354.5m	0%	no data
1.79%	Japan Securities Finance Co., Ltd.	958,700	JP¥341.3m	-23.2%	0.04%
1.45%	Makoto Motoyoshi	778,600	JP¥277.2m	0%	no data
1.25%	Rakuten Investment Management, Inc.	672,300	JP¥239.3m	0%	no data
1.05%	Amova Asset Management Co., Ltd.	562,200	JP¥200.1m	-3.42%	no data
0.96%	Daiwa Asset Management Co., Ltd.	516,400	JP¥183.8m	0%	no data
0.54%	Jun Imaizumi	291,100	JP¥103.6m	-0.34%	no data
0.29%	Mitsubishi UFJ Asset Management Co., Ltd.	156,300	JP¥55.6m	0%	no data
0.16%	Dimensional Fund Advisors LP	87,000	JP¥31.0m	61.1%	no data
0.13%	BlackRock, Inc.	68,100	JP¥24.2m	0%	no data
0.097%	Asset Management One Co., Ltd.	51,900	JP¥18.5m	0%	no data
0.096%	Sumitomo Mitsui Trust Asset Management Co., Ltd.	51,700	JP¥18.4m	0%	no data
0.043%	Goldman Sachs Asset Management, L.P.	23,000	JP¥8.2m	0%	no data
0.029%	Norinchukin Zenkyoren Asset Management Co., Ltd.	15,500	JP¥5.5m	0%	no data
0.024%	Nissay Asset Management Corporation	13,000	JP¥4.6m	0%	no data
0.015%	Amundi Asset Management SAS	7,837	JP¥2.8m	0%	no data
0.012%	Resona Asset Management Co., Ltd.	6,600	JP¥2.3m	0%	no data
0.0063%	Hitachi Investment Management, Ltd.	3,400	JP¥1.2m	0%	no data
0.0045%	Evolve Funds Group Inc.	2,400	JP¥854.9k	-4%	no data
0.00037%	Shinkin Asset Management Co., Ltd.	200	JP¥70.6k	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/03/16 18:29
End of Day Share Price	2026/03/16 00:00
Earnings	2026/01/31
Annual Earnings	2025/04/30

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

gumi Inc. is covered by 1 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
Daisaku Masuno	Nomura Securities Co. Ltd.