Who has been buying Goldwin Inc. stock?

5 distinct investors have filed 6 disclosed large-shareholding filings in Goldwin Inc. (8111), most recently on 2025-11-10. 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 Goldwin Inc. have?

Goldwin Inc. has 6 buy-side and 10 sell-side disclosures on record, covering ¥1.9B ($12.3M) in total reported value, spanning 2021-12-07 to 2025-11-10.

Where does StockDrifts get Goldwin Inc. insider data?

From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.

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.

Goldwin Inc. 8111

Company

(株)ゴールドウインGoldwin Inc.

Investors

Buys

Total Value

¥1.9B ($12.3M)

Avg Return

-13.22%

Last Filing

2025-11-10

Goldwin Inc. (8111) has 6 disclosed large-shareholding filings and 10 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥1.9B ($12.3M) in reported transaction value. The earliest filing StockDrifts holds for Goldwin Inc. is dated 2021-12-07; the most recent is 2025-11-10. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan). Across these filings the average return since disclosure is -13.22%, 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
2025-11-10	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	2.4M	¥3,040	-24.6%	¥865M ($5.6M)
2025-11-10	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	1.4M	¥3,040	-24.6%	¥1.0B ($6.7M)
2025-11-10	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	100.9K	¥3,040	+24.6%	¥4.9B ($31.5M)
2025-11-10	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	2.7M	¥3,040	-24.6%	¥8.3B ($53.7M)
2025-05-09	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	913.2K	¥2,754.67	-16.8%	¥2.5B ($16.2M)
2025-05-09	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	719.4K	¥2,754.67	+16.8%	¥52M ($337K)
2025-05-09	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	356.5K	¥2,754.67	+16.8%	¥4.5B ($29.3M)
2025-05-09	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	570.1K	¥2,754.67	+16.8%	¥222M ($1.4M)
2025-04-02	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	739.0K	¥2,720	-15.8%	¥26M ($167K)
2025-04-02	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	2.0M	¥2,720	+15.8%	¥52M ($333K)
2025-04-02	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	649.2K	¥2,720	+15.8%	¥1.2B ($7.8M)
2025-04-02	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	913.2K	¥2,720	-15.8%	¥2.5B ($16.0M)
2024-11-18	SELL	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	731.6K	¥2,790	+17.9%	¥874M ($5.6M)
2024-11-18	BUY	Market Buy	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	2.0M	¥2,790	-17.9%	¥569M ($3.7M)
2024-11-18	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	1.1M	¥2,790	-17.9%	¥3.1B ($19.7M)
2024-11-18	BUY	Market Buy	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	913.2K	¥2,790	-17.9%	¥2.5B ($16.4M)
2022-06-22	SELL	unknown	アセットマネジメントOneインターナショナル Asset Management One International Ltd.	other	45.6K	¥2,513.33	+8.8%	¥119M ($769K)
2022-06-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.0M	¥2,513.33	+8.8%	¥572M ($3.7M)
2022-06-22	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	1.8M	¥2,513.33	+8.8%	¥417M ($2.7M)
2022-06-22	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	913.2K	¥2,513.33	-8.8%	¥2.3B ($14.8M)
2021-12-07	BUY	unknown	アセットマネジメントOneインターナショナル Asset Management One International Ltd.	other	96.3K	¥2,250	+1.8%	¥217M ($1.4M)
2021-12-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.3M	¥2,250	+1.8%	¥448M ($2.9M)
2021-12-07	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	2.0M	¥2,250	+1.8%	¥214M ($1.4M)
2021-12-07	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	913.2K	¥2,250	+1.8%	¥2.1B ($13.3M)

Frequently asked questions

Who has been buying Goldwin Inc. stock?: 5 distinct investors have filed 6 disclosed large-shareholding filings in Goldwin Inc. (8111), most recently on 2025-11-10. 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 Goldwin Inc. have?: Goldwin Inc. has 6 buy-side and 10 sell-side disclosures on record, covering ¥1.9B ($12.3M) in total reported value, spanning 2021-12-07 to 2025-11-10.
Where does StockDrifts get Goldwin Inc. insider data?: From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.
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.

Source filings

Every trade listed above is disclosed in EDINET large-shareholding (5%+) reports, filed with the Financial Services Agency (Japan). View the original EDINET filings for Goldwin Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.