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Yamaura Corporation 1780

Company
株式会社ヤマウラYamaura Corporation
Investors
2
Buys
4
Total Value
¥3.3B ($21.3M)
Avg Return
+11.50%
Last Filing
2026-01-08

Yamaura Corporation (1780) has 4 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 2 distinct investors. Together those filings cover ¥3.3B ($21.3M) in reported transaction value. The earliest filing StockDrifts holds for Yamaura Corporation is dated 2023-06-08; the most recent is 2026-01-08. Across these filings the average return since disclosure is +11.50%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-08-19SELLunknown
株式会社信州エンタープライズ 代表取締役 中島 光孝
Shinshu Enterprise Co., Ltd.
other2.5M¥1,467-0.7%¥608M ($3.9M)
2026-07-07BUYunknown
株式会社信州エンタープライズ
Shinshu Enterprise Co., Ltd.
other3.0M¥1,490-¥896M ($5.8M)
2026-07-06SELLunknown
株式会社信州エンタープライズ
Shinshu Enterprise Co., Ltd.
other3.0M¥1,472-0.3%¥885M ($5.7M)
2026-01-08BUYunknown
株式会社八十二長野銀行
other945.1K¥1,509-2.1%¥417M ($2.7M)
2026-01-08SELLunknown
株式会社長野銀行
unknown0¥1,509+2.1%¥672M ($4.3M)
2026-01-08BUYunknown
株式会社八十二長野銀行
other945.1K¥1,509-2.1%¥417M ($2.7M)
2026-01-08SELLunknown
株式会社長野銀行
unknown0¥1,509+2.1%¥672M ($4.3M)
2023-06-08BUYunknown
株式会社八十二銀行
The Hachijuni Bank, Ltd.
other668.1K¥1,169+26.4%¥781M ($5.0M)
2023-06-08BUYunknown
株式会社長野銀行
Nagano Bank, Ltd.
strategic444.6K¥1,169+26.4%¥520M ($3.4M)

Frequently asked questions

Who has been buying Yamaura Corporation stock?
2 distinct investors have filed 4 disclosed large-shareholding filings in Yamaura Corporation (1780), most recently on 2026-01-08. 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 Yamaura Corporation have?
Yamaura Corporation has 4 buy-side and 2 sell-side disclosures on record, covering ¥3.3B ($21.3M) in total reported value, spanning 2023-06-08 to 2026-01-08.
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.