Who has been buying Hayashikane Sangyo Co.,Ltd. stock?

5 distinct investors have filed 12 disclosed large-shareholding filings in Hayashikane Sangyo Co.,Ltd. (2286), most recently on 2025-12-01. 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 Hayashikane Sangyo Co.,Ltd. have?

Hayashikane Sangyo Co.,Ltd. has 12 buy-side and 0 sell-side disclosures on record, covering ¥855M ($5.5M) in total reported value, spanning 2022-08-04 to 2025-12-01.

Where does StockDrifts get Hayashikane Sangyo 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.

Hayashikane Sangyo Co.,Ltd. 2286

Company

林兼産業株式会社Hayashikane Sangyo Co.,Ltd.

Investors

Buys

Total Value

¥855M ($5.5M)

Avg Return

+76.53%

Last Filing

2025-12-01

Hayashikane Sangyo Co.,Ltd. (2286) has 12 disclosed large-shareholding filings and 0 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥855M ($5.5M) in reported transaction value. The earliest filing StockDrifts holds for Hayashikane Sangyo Co.,Ltd. is dated 2022-08-04; the most recent is 2025-12-01. 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 +76.53%, 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
2026-07-30	BUY	Market Buy	有限会社キャピタル・マネジメント Capital Management	activist	543.0K	¥913	-4.6%	¥85M ($551K)
2025-12-01	BUY	Market Buy	有限会社キャピタル・マネジメント Capital Management	activist	449.5K	¥726	+25.5%	¥326M ($2.1M)
2025-08-07	BUY	Market Buy	西部化成株式会社 Seibu Kasei Co., Ltd.	strategic	31.2K	¥575	+58.4%	¥18M ($116K)
2025-08-07	BUY	Market Buy	株式会社恵比須商会 Ebisu Shokai Co., Ltd.	strategic	426.2K	¥575	+58.4%	¥245M ($1.6M)
2025-08-07	BUY	Market Buy	中部哲二 Nakabe Tetsuji	other	253.6K	¥575	+58.4%	¥52M ($334K)
2025-08-07	BUY	unknown	西部化成株式会社 Seibu Kasei Co., Ltd.	strategic	31.2K	¥575	+58.4%	¥18M ($116K)
2025-08-07	BUY	unknown	株式会社恵比須商会 Ebisu Shokai Co., Ltd.	strategic	426.2K	¥575	+58.4%	¥245M ($1.6M)
2025-08-07	BUY	unknown	中部哲二 Nakabe Tetsuji	other	253.6K	¥575	+58.4%	¥52M ($334K)
2025-04-24	BUY	unknown	株式会社恵比須商会 Ebisu Shokai Co., Ltd.	strategic	426.2K	¥494	+84.4%	¥211M ($1.4M)
2025-04-24	BUY	unknown	中部哲二 Nakabe Tetsuji	strategic	96.3K	¥494	+84.4%	¥48M ($307K)
2025-04-24	BUY	unknown	中部哲二 Nakabe Tetsuji	other	253.6K	¥494	+84.4%	¥125M ($808K)
2025-04-24	BUY	unknown	株式会社ベツケイ Betsukei Co., Ltd.	strategic	40.0K	¥494	+84.4%	¥20M ($127K)
2025-04-24	BUY	unknown	西部化成株式会社 Seibu Kasei Co., Ltd.	strategic	31.2K	¥494	+84.4%	¥15M ($99K)
2025-04-24	BUY	unknown	株式会社恵比須商会 Ebisu Shokai Co., Ltd.	strategic	426.2K	¥494	+84.4%	¥211M ($1.4M)
2025-04-24	BUY	Market Buy	株式会社ベツケイ Betsukei Co., Ltd.	strategic	40.0K	¥494	+84.4%	¥20M ($127K)
2025-04-24	BUY	Market Buy	西部化成株式会社 Seibu Kasei Co., Ltd.	strategic	31.2K	¥494	+84.4%	¥15M ($99K)
2025-04-24	BUY	Market Buy	株式会社恵比須商会 Ebisu Shokai Co., Ltd.	strategic	426.2K	¥494	+84.4%	¥211M ($1.4M)
2025-04-24	BUY	unknown	株式会社恵比須商会 Ebisu Shokai Co., Ltd.	strategic	426.2K	¥494	+84.4%	¥211M ($1.4M)
2025-04-24	BUY	unknown	中部哲二 Nakabe Tetsuji	strategic	96.3K	¥494	+84.4%	¥48M ($307K)
2025-04-24	BUY	unknown	中部哲二 Nakabe Tetsuji	strategic	96.3K	¥494	+84.4%	¥48M ($307K)
2025-04-24	BUY	Market Buy	中部哲二 Nakabe Tetsuji	other	257.5K	¥494	+84.4%	¥51M ($329K)
2025-04-24	BUY	unknown	株式会社恵比須商会 Ebisu Shokai Co., Ltd.	strategic	426.2K	¥494	+84.4%	¥211M ($1.4M)
2022-08-04	BUY	unknown	中部哲二 Nakabe Tetsuji	other	621.4K	-	-	-
2022-08-04	BUY	unknown	中部哲二 Nakabe Tetsuji	other	621.4K	-	-	-
2022-08-04	BUY	unknown	西部化成株式会社 Seibu Kasei Co., Ltd.	strategic	31.2K	¥473	+92.6%	¥15M ($95K)
2022-08-04	BUY	unknown	株式会社恵比須商会 Ebisu Shokai Co., Ltd.	strategic	426.2K	¥473	+92.6%	¥202M ($1.3M)
2022-08-04	BUY	unknown	西部化成株式会社 Seibu Kasei Co., Ltd.	strategic	31.2K	¥473	+92.6%	¥15M ($95K)
2022-08-04	BUY	unknown	株式会社恵比須商会 Ebisu Shokai Co., Ltd.	strategic	426.2K	¥473	+92.6%	¥202M ($1.3M)
2022-08-04	BUY	unknown	西部化成株式会社 Seibu Kasei Co., Ltd.	strategic	31.2K	¥473	+92.6%	¥15M ($95K)
2022-08-04	BUY	unknown	株式会社恵比須商会 Ebisu Shokai Co., Ltd.	strategic	426.2K	¥473	+92.6%	¥202M ($1.3M)
2022-08-04	BUY	unknown	中部哲二 Nakabe Tetsuji	other	164.0K	¥473	+92.6%	¥37M ($237K)
2022-08-04	BUY	unknown	中部哲二 Nakabe Tetsuji	other	154.1K	¥473	+92.6%	¥73M ($470K)
2022-08-04	BUY	unknown	中部哲二 Nakabe Tetsuji	other	154.1K	¥473	+92.6%	¥32M ($207K)

Frequently asked questions

Who has been buying Hayashikane Sangyo Co.,Ltd. stock?: 5 distinct investors have filed 12 disclosed large-shareholding filings in Hayashikane Sangyo Co.,Ltd. (2286), most recently on 2025-12-01. 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 Hayashikane Sangyo Co.,Ltd. have?: Hayashikane Sangyo Co.,Ltd. has 12 buy-side and 0 sell-side disclosures on record, covering ¥855M ($5.5M) in total reported value, spanning 2022-08-04 to 2025-12-01.
Where does StockDrifts get Hayashikane Sangyo 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 Hayashikane Sangyo Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.