Who has been buying Institution for a Global Society Corporation stock?

8 distinct investors have filed 8 disclosed large-shareholding filings in Institution for a Global Society Corporation (4265), most recently on 2026-04-06. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.

How many insider filings does Institution for a Global Society Corporation have?

Institution for a Global Society Corporation has 8 buy-side and 3 sell-side disclosures on record, covering ¥1.8B ($11.4M) in total reported value, spanning 2022-01-04 to 2026-04-06.

Do insider buys in Japanese stocks predict returns?

Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

Institution for a Global Society Corporation 4265

Company

Institution for a Global Society株式会社Institution for a Global Society Corporation

Investors

Buys

Total Value

¥1.8B ($11.4M)

Avg Return

-50.30%

Last Filing

2026-04-06

Institution for a Global Society Corporation (4265) has 8 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥1.8B ($11.4M) in reported transaction value. The earliest filing StockDrifts holds for Institution for a Global Society Corporation is dated 2022-01-04; the most recent is 2026-04-06. Across these filings the average return since disclosure is -50.30%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2026-04-06	SELL	unknown	株式会社SBI証券	other	27.2K	¥465	+40.0%	¥108M ($698K)
2026-03-23	BUY	unknown	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	259.8K	¥406	-31.3%	¥105M ($680K)
2025-12-05	BUY	unknown	株式会社プルータス・コンサルティング Plutus Consulting Co.,Ltd.	strategic	454.1K	¥328	-14.9%	¥149M ($961K)
2024-07-11	BUY	unknown	福原正大 Masahiro Fukuhara	activist	979.4K	¥444	-	¥113M ($732K)
2024-07-11	BUY	Market Buy	福原正大 Masahiro Fukuhara	activist	979.4K	¥444	-37.2%	¥113M ($732K)
2023-01-31	BUY	Market Buy	尾田信夫 ODA NOBUO	passive	237.6K	¥529	-47.3%	¥126M ($811K)
2022-07-06	SELL	subscription	船野智輝 Tomoki Funano	activist	115.0K	¥732	+61.9%	¥83M ($535K)
2022-06-20	SELL	Market Buy	株式会社東京大学エッジキャピタルパートナーズ The University of Tokyo Edge Capital Partners Co., Ltd.	passive	212.4K	¥715	+61.0%	¥34M ($217K)
2022-01-11	BUY	Market Buy	株式会社東京大学エッジキャピタルパートナーズ The University of Tokyo Edge Capital Partners Co., Ltd.	passive	254.0K	¥1,264	-77.9%	¥321M ($2.1M)
2022-01-11	BUY	subscription	船野智輝 Tomoki Funano	activist	232.5K	¥1,264	-	¥294M ($1.9M)
2022-01-07	BUY	unknown	福原正大 Masahiro Fukuhara	activist	565.4K	¥1,324	-78.9%	¥749M ($4.8M)
2022-01-04	BUY	unknown	岩永泰典 Yasunori Iwanaga	other	325.0K	¥1,536	-81.8%	¥499M ($3.2M)
2022-01-04	BUY	unknown	株式会社ウィザス With us Corporation	strategic	290.0K	¥1,536	-81.8%	¥445M ($2.9M)

Frequently asked questions

Who has been buying Institution for a Global Society Corporation stock?: 8 distinct investors have filed 8 disclosed large-shareholding filings in Institution for a Global Society Corporation (4265), most recently on 2026-04-06. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does Institution for a Global Society Corporation have?: Institution for a Global Society Corporation has 8 buy-side and 3 sell-side disclosures on record, covering ¥1.8B ($11.4M) in total reported value, spanning 2022-01-04 to 2026-04-06.
Do insider buys in Japanese stocks predict returns?: Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.