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

7 distinct investors have filed 6 disclosed large-shareholding filings in Shimojima Co., Ltd. (7482), most recently on 2026-05-13. 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 Shimojima Co., Ltd. have?

Shimojima Co., Ltd. has 6 buy-side and 10 sell-side disclosures on record, covering ¥5.7B ($36.6M) in total reported value, spanning 2021-11-16 to 2026-05-13.

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.

Shimojima Co., Ltd. 7482

Company

株式会社シモジマShimojima Co., Ltd.

Investors

Buys

Total Value

¥5.7B ($36.6M)

Avg Return

+22.82%

Last Filing

2026-05-13

Shimojima Co., Ltd. (7482) has 6 disclosed large-shareholding filings and 10 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥5.7B ($36.6M) in reported transaction value. The earliest filing StockDrifts holds for Shimojima Co., Ltd. is dated 2021-11-16; the most recent is 2026-05-13. Across these filings the average return since disclosure is +22.82%, 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
2026-05-13	BUY	unknown	下島公明	strategic	624.6K	¥1,294	-	¥808M ($5.2M)
2026-05-13	BUY	unknown	有限会社ケイエヌジェイ	strategic	2.2M	¥1,294	-	-
2025-05-27	SELL	negotiated	下島謙司 Kenji Shimojima	activist	239.4K	¥1,212	-25.9%	¥60M ($388K)
2025-05-27	SELL	unknown	有限会社ケイエヌジェイ KNJ,Inc.	strategic	2.2M	¥1,212	-25.9%	¥616M ($4.0M)
2025-05-27	BUY	negotiated	有限会社謙友 Kenyu Co., Ltd.	strategic	4.2M	¥1,212	+25.9%	¥5.1B ($32.7M)
2025-04-08	BUY	negotiated	有限会社謙友 Kenyu Co., Ltd.	strategic	4.6M	¥1,152	+32.5%	¥133M ($861K)
2025-04-08	SELL	negotiated	下島謙司 Kenji Shimojima	activist	288.8K	¥1,152	-32.5%	¥272M ($1.8M)
2024-08-28	BUY	unknown	下島恵子 Keiko Shimojima	strategic	116.0K	¥1,274	+19.8%	¥3M ($19K)
2024-08-28	SELL	unknown	下島和光 Wako Shimojima	strategic	683.8K	¥1,274	-19.8%	¥15M ($97K)
2024-08-28	SELL	unknown	有限会社和貴 Kazuki Co., Ltd.	strategic	888.2K	¥1,274	-19.8%	¥618M ($4.0M)
2023-02-20	BUY	unknown	下島和光 Wako Shimojima	strategic	713.8K	¥1,023	-	-
2023-02-20	BUY	unknown	下島和光 Wako Shimojima	strategic	713.8K	¥1,023	-	-
2023-02-20	SELL	unknown	有限会社和貴 Kazuki Limited Company	strategic	1.4M	¥1,023	-49.2%	¥571M ($3.7M)
2023-02-20	BUY	unknown	下島恵子 Keiko Shimojima	strategic	116.0K	¥1,023	-	-
2023-02-20	SELL	unknown	有限会社和貴 Kazuki Limited Company	strategic	1.4M	¥1,023	-49.2%	¥571M ($3.7M)
2023-02-20	BUY	unknown	下島恵子 Keiko Shimojima	strategic	116.0K	¥1,023	-	-
2023-01-12	BUY	unknown	下島和光 Wako Shimojima	strategic	713.8K	¥938	-	-
2023-01-12	BUY	unknown	下島和光 Wako Shimojima	strategic	713.8K	¥938	-	-
2023-01-12	SELL	unknown	有限会社和貴 Kazuki Co., Ltd.	strategic	2.0M	¥938	-62.7%	¥307M ($2.0M)
2023-01-12	BUY	unknown	下島恵子 Keiko Shimojima	strategic	116.0K	¥938	+62.7%	¥73M ($470K)
2023-01-12	SELL	unknown	有限会社和貴 Kazuki Co., Ltd.	strategic	2.0M	¥938	-62.7%	¥307M ($2.0M)
2023-01-12	BUY	unknown	下島恵子 Keiko Shimojima	strategic	116.0K	¥938	+62.7%	¥73M ($470K)
2021-11-16	SELL	negotiated	下島謙司 Kenji Shimojima	activist	539.4K	¥1,162	-31.3%	¥118M ($764K)
2021-11-16	BUY	negotiated	有限会社謙友 Kenyu Co., Ltd.	strategic	4.6M	¥1,162	+31.3%	¥330M ($2.1M)

Frequently asked questions

Who has been buying Shimojima Co., Ltd. stock?: 7 distinct investors have filed 6 disclosed large-shareholding filings in Shimojima Co., Ltd. (7482), most recently on 2026-05-13. 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 Shimojima Co., Ltd. have?: Shimojima Co., Ltd. has 6 buy-side and 10 sell-side disclosures on record, covering ¥5.7B ($36.6M) in total reported value, spanning 2021-11-16 to 2026-05-13.
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.