Who has been buying Dairei Co.,Ltd. stock?

3 distinct investors have filed 7 disclosed large-shareholding filings in Dairei Co.,Ltd. (2883), most recently on 2025-08-08. 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 Dairei Co.,Ltd. have?

Dairei Co.,Ltd. has 7 buy-side and 8 sell-side disclosures on record, covering ¥1.8B ($11.7M) in total reported value, spanning 2021-04-07 to 2025-08-08.

Where does StockDrifts get Dairei Co.,Ltd. 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.

Dairei Co.,Ltd. 2883

Company

株式会社大冷Dairei Co.,Ltd.

Investors

Buys

Total Value

¥1.8B ($11.7M)

Avg Return

+0.54%

Last Filing

2025-08-08

Dairei Co.,Ltd. (2883) has 7 disclosed large-shareholding filings and 8 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥1.8B ($11.7M) in reported transaction value. The earliest filing StockDrifts holds for Dairei Co.,Ltd. is dated 2021-04-07; the most recent is 2025-08-08. 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 +0.54%, 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
2026-08-05	SELL	unknown	古田耕司	other	0	¥1,999	-0.1%	¥273M ($1.8M)
2026-08-05	SELL	unknown	古田耕司	other	0	¥1,999	-0.1%	¥273M ($1.8M)
2026-08-05	BUY	Market Buy	株式会社フルタ	strategic	3.1M	¥1,999	+0.1%	¥271M ($1.8M)
2026-08-05	BUY	Market Buy	株式会社フルタ	strategic	3.1M	¥1,999	+0.1%	¥271M ($1.8M)
2025-08-08	BUY	unknown	株式会社フルタ Furuta Co., Ltd.	strategic	3.0M	¥1,997	-0.1%	¥260M ($1.7M)
2025-08-08	BUY	unknown	株式会社フルタ Furuta Co., Ltd.	strategic	2.9M	¥1,997	-0.1%	¥259M ($1.7M)
2025-08-08	BUY	unknown	株式会社フルタ Furuta Co., Ltd.	other	2.8M	¥1,997	-0.1%	¥5.5B ($35.5M)
2025-08-08	BUY	Market Buy	株式会社フルタ Furuta Co., Ltd.	other	2.8M	¥1,997	-0.1%	¥5.5B ($35.5M)
2025-08-08	SELL	unknown	古田耕司 koji furuta	other	136.3K	¥1,997	+0.1%	¥259M ($1.7M)
2025-08-08	BUY	Market Buy	古田耕司 koji furuta	other	396.3K	¥1,997	-0.1%	¥791M ($5.1M)
2025-08-08	BUY	unknown	古田耕司 koji furuta	other	396.3K	¥1,997	-0.1%	¥791M ($5.1M)
2025-08-08	BUY	unknown	古田耕司 koji furuta	other	396.3K	¥1,997	-0.1%	¥791M ($5.1M)
2025-08-08	SELL	unknown	古田耕司 koji furuta	other	266.3K	¥1,997	+0.1%	¥260M ($1.7M)
2025-08-08	SELL	unknown	古田耕司 koji furuta	other	136.3K	¥1,997	+0.1%	¥259M ($1.7M)
2025-08-08	SELL	unknown	古田耕司 koji furuta	other	266.3K	¥1,997	+0.1%	¥260M ($1.7M)
2025-08-08	SELL	unknown	古田耕司 koji furuta	other	266.3K	¥1,997	+0.1%	¥260M ($1.7M)
2025-08-08	SELL	unknown	古田耕司 koji furuta	other	136.3K	¥1,997	+0.1%	¥259M ($1.7M)
2025-08-08	BUY	unknown	株式会社フルタ Furuta Co., Ltd.	strategic	3.0M	¥1,997	-0.1%	¥260M ($1.7M)
2025-08-08	BUY	unknown	株式会社フルタ Furuta Co., Ltd.	strategic	2.9M	¥1,997	-0.1%	¥259M ($1.7M)
2025-08-08	BUY	unknown	株式会社フルタ Furuta Co., Ltd.	strategic	2.9M	¥1,997	-0.1%	¥259M ($1.7M)
2025-08-08	BUY	unknown	株式会社フルタ Furuta Co., Ltd.	strategic	3.0M	¥1,997	-0.1%	¥260M ($1.7M)
2025-08-08	BUY	unknown	株式会社フルタ Furuta Co., Ltd.	other	2.8M	¥1,997	-0.1%	¥5.5B ($35.5M)
2024-08-09	BUY	unknown	古田耕司 koji furuta	strategic	266.3K	¥1,911	+4.4%	¥249M ($1.6M)
2024-08-09	BUY	unknown	株式会社フルタ代表取締役古田耕司 FURUTA Inc.	strategic	2.9M	¥1,911	+4.4%	¥248M ($1.6M)
2024-08-09	BUY	Market Buy	株式会社フルタ代表取締役古田耕司 FURUTA Inc.	strategic	2.9M	¥1,911	+4.4%	¥248M ($1.6M)
2024-08-09	SELL	unknown	古田耕司 koji furuta	strategic	266.3K	¥1,911	-4.4%	¥249M ($1.6M)
2024-08-09	BUY	unknown	古田耕司 koji furuta	strategic	266.3K	¥1,911	+4.4%	¥249M ($1.6M)
2023-10-06	BUY	unknown	株式会社フルタ代表取締役古田耕司 FURUTA Inc.	strategic	2.8M	¥1,950	+2.3%	¥5.4B ($34.6M)
2021-08-12	SELL	unknown	齋藤修 Saito Osamu	activist	260.0K	¥1,961	-1.7%	¥137M ($882K)
2021-08-12	BUY	unknown	齋藤修 Saito Osamu	activist	260.0K	¥1,961	+1.7%	¥137M ($882K)
2021-04-07	BUY	unknown	株式会社フルタ代表取締役古田雅彬 FURUTA Inc.	strategic	2.8M	¥1,958	+1.9%	¥5.4B ($34.8M)

Frequently asked questions

Who has been buying Dairei Co.,Ltd. stock?: 3 distinct investors have filed 7 disclosed large-shareholding filings in Dairei Co.,Ltd. (2883), most recently on 2025-08-08. 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 Dairei Co.,Ltd. have?: Dairei Co.,Ltd. has 7 buy-side and 8 sell-side disclosures on record, covering ¥1.8B ($11.7M) in total reported value, spanning 2021-04-07 to 2025-08-08.
Where does StockDrifts get Dairei Co.,Ltd. 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 Dairei Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.