Who has been buying Daiei Kankyo Co., Ltd. stock?

2 distinct investors have filed 2 disclosed large-shareholding filings in Daiei Kankyo Co., Ltd. (9336), most recently on 2026-03-31. 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 Daiei Kankyo Co., Ltd. have?

Daiei Kankyo Co., Ltd. has 2 buy-side and 1 sell-side disclosures on record, covering ¥85M ($548K) in total reported value, spanning 2022-12-14 to 2026-03-31.

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.

Daiei Kankyo Co., Ltd. 9336

Company

大栄環境株式会社Daiei Kankyo Co., Ltd.

Investors

Buys

Total Value

¥85M ($548K)

Avg Return

+108.80%

Last Filing

2026-03-31

Daiei Kankyo Co., Ltd. (9336) has 2 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 2 distinct investors. Together those filings cover ¥85M ($548K) in reported transaction value. The earliest filing StockDrifts holds for Daiei Kankyo Co., Ltd. is dated 2022-12-14; the most recent is 2026-03-31. Across these filings the average return since disclosure is +108.80%, 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
2026-09-24	BUY	unknown	エフエムアールインベストメントマネジメントユーケーリミテッドLimited) FMR Investment Management (UK	other	4.3M	¥3,830	+0.0%	¥16.5B ($106.4M)
2026-09-24	BUY	unknown	フィデリティインスティテューショナルアセットマネジメントトラストカンパニー Fidelity Institutional Asset Management Trust Company	other	615.0K	¥3,830	+0.0%	¥2.4B ($15.2M)
2026-09-24	BUY	unknown	エフアイエーエムエルエルシー FIAM LLC	other	202.3K	¥3,830	+0.0%	¥775M ($5.0M)
2026-09-17	BUY	unknown	金子文雄	activist	50.3K	¥3,835	-	-
2026-09-17	BUY	unknown	ウイングトワ株式会社	strategic	61.4M	¥3,835	-	-
2026-03-31	BUY	unknown	ウイングトワ株式会社	strategic	61.4M	¥3,885	-	-
2026-03-31	BUY	unknown	金子文雄	activist	50.3K	¥3,885	-	-
2025-11-26	BUY	unknown	ウイングトワ株式会社	strategic	61.4M	¥3,720	-	-
2025-11-26	BUY	unknown	金子文雄	activist	50.3K	¥3,720	-	-
2025-08-01	BUY	unknown	ウイングトワ株式会社 Wing Towa K.K.	strategic	61.4M	¥3,115	-	-
2025-08-01	BUY	unknown	金子文雄 Fumio Kaneko	activist	50.3K	¥3,115	-	-
2025-06-19	BUY	unknown	ウイングトワ株式会社 Wing Towa K.K.	strategic	61.4M	¥3,150	-	-
2025-06-19	BUY	unknown	ウイングトワ株式会社 Wing Towa K.K.	strategic	61.4M	¥3,150	-	-
2025-06-19	BUY	unknown	金子文雄 Fumio Kaneko	activist	50.3K	¥3,150	-	-
2025-06-19	BUY	unknown	金子文雄 Fumio Kaneko	activist	50.3K	¥3,150	-	-
2025-05-26	BUY	unknown	ウイングトワ株式会社 Wing Towa K.K.	strategic	61.4M	¥2,982	-	-
2025-05-26	BUY	unknown	ウイングトワ株式会社 Wing Towa K.K.	strategic	61.4M	¥2,982	-	-
2025-05-26	BUY	unknown	金子文雄 Fumio Kaneko	activist	50.3K	¥2,982	-	-
2025-05-26	BUY	unknown	金子文雄 Fumio Kaneko	activist	50.3K	¥2,982	-	-
2025-02-14	SELL	unknown	ウイングトワ株式会社 Wing Towa K.K.	strategic	61.4M	¥2,899	-32.1%	¥9.0B ($58.1M)
2025-02-14	BUY	unknown	金子文雄 Fumio Kaneko	activist	50.3K	¥2,899	-	-
2022-12-14	BUY	unknown	金子文雄 Fumio Kaneko	activist	47.3K	¥1,796	+113.3%	¥85M ($548K)
2022-12-14	BUY	unknown	ウイングトワ株式会社 Wing Towa K.K.	strategic	61.4M	¥1,796	+113.3%	¥110.3B ($711.4M)

Frequently asked questions

Who has been buying Daiei Kankyo Co., Ltd. stock?: 2 distinct investors have filed 2 disclosed large-shareholding filings in Daiei Kankyo Co., Ltd. (9336), most recently on 2026-03-31. 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 Daiei Kankyo Co., Ltd. have?: Daiei Kankyo Co., Ltd. has 2 buy-side and 1 sell-side disclosures on record, covering ¥85M ($548K) in total reported value, spanning 2022-12-14 to 2026-03-31.
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.