Who has been buying Yahagi Construction Co.,Ltd. stock?

8 distinct investors have filed 4 disclosed large-shareholding filings in Yahagi Construction Co.,Ltd. (1870), most recently on 2025-03-17. 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 Yahagi Construction Co.,Ltd. have?

Yahagi Construction Co.,Ltd. has 4 buy-side and 4 sell-side disclosures on record, covering ¥737M ($4.8M) in total reported value, spanning 2022-07-21 to 2025-03-17.

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.

Yahagi Construction Co.,Ltd. 1870

Company

矢作建設工業株式会社Yahagi Construction Co.,Ltd.

Investors

Buys

Total Value

¥737M ($4.8M)

Avg Return

+66.09%

Last Filing

2025-03-17

Yahagi Construction Co.,Ltd. (1870) has 4 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥737M ($4.8M) in reported transaction value. The earliest filing StockDrifts holds for Yahagi Construction Co.,Ltd. is dated 2022-07-21; the most recent is 2025-03-17. Across these filings the average return since disclosure is +66.09%, 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
2025-03-17	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	574.5K	¥1,345	-62.7%	¥2.0B ($12.8M)
2025-03-17	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	505.1K	¥1,345	-62.7%	¥138M ($890K)
2025-03-17	BUY	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	168.8K	¥1,345	-	-
2025-03-06	SELL	negotiated	株式会社りそな銀行 Resona Bank, Limited.	strategic	574.5K	¥1,289	-69.7%	¥1.9B ($12.2M)
2025-03-06	BUY	negotiated	りそなアセットマネジメント株式会社 Resona Asset Management Co., Ltd.	other	492.6K	¥1,289	+69.7%	¥264M ($1.7M)
2025-03-04	BUY	Market Buy	名古屋鉄道株式会社 Nagoya Railroad Co., Ltd.	activist	8.3M	¥1,256	-	-
2025-03-04	SELL	Market Buy	名鉄EIエンジニア株式会社 Meitetsu EI Engineer Co., Ltd.	passive	104.0K	¥1,256	-74.2%	¥7.2B ($46.2M)
2024-07-29	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	2.0M	¥1,642	-	-
2024-07-29	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	607.5K	¥1,642	+33.3%	¥7M ($47K)
2024-07-29	BUY	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	167.4K	¥1,642	+33.3%	¥103M ($662K)
2022-07-21	BUY	Market Buy	矢作建設取引先持株会理事長澤野正司 Masashi Sawano	strategic	2.7M	¥806	+171.5%	¥370M ($2.4M)

Frequently asked questions

Who has been buying Yahagi Construction Co.,Ltd. stock?: 8 distinct investors have filed 4 disclosed large-shareholding filings in Yahagi Construction Co.,Ltd. (1870), most recently on 2025-03-17. 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 Yahagi Construction Co.,Ltd. have?: Yahagi Construction Co.,Ltd. has 4 buy-side and 4 sell-side disclosures on record, covering ¥737M ($4.8M) in total reported value, spanning 2022-07-21 to 2025-03-17.
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.