Who has been buying Shima Seiki Mfg.,Ltd. stock?

5 distinct investors have filed 5 disclosed large-shareholding filings in Shima Seiki Mfg.,Ltd. (6222), most recently on 2025-06-03. 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 Shima Seiki Mfg.,Ltd. have?

Shima Seiki Mfg.,Ltd. has 5 buy-side and 3 sell-side disclosures on record, covering ¥793M ($5.1M) in total reported value, spanning 2021-05-19 to 2025-06-03.

Where does StockDrifts get Shima Seiki Mfg.,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.

Shima Seiki Mfg.,Ltd. 6222

Company

株式会社島精機製作所Shima Seiki Mfg.,Ltd.

Investors

Buys

Total Value

¥793M ($5.1M)

Avg Return

-46.18%

Last Filing

2025-06-03

Shima Seiki Mfg.,Ltd. (6222) has 5 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥793M ($5.1M) in reported transaction value. The earliest filing StockDrifts holds for Shima Seiki Mfg.,Ltd. is dated 2021-05-19; the most recent is 2025-06-03. 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 -46.18%, 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
2026-06-05	BUY	unknown	梅田千景	unknown	632.7K	¥904	-2.3%	¥572M ($3.7M)
2026-06-05	BUY	unknown	梅田千景	strategic	632.7K	¥904	-2.3%	¥572M ($3.7M)
2026-06-05	BUY	Market Buy	島三博	strategic	1.1M	¥904	-2.3%	¥47M ($304K)
2026-06-05	BUY	unknown	梅田千景	strategic	632.7K	¥904	-2.3%	¥572M ($3.7M)
2026-06-05	BUY	Market Buy	和島興産株式会社	activist	3.8M	¥904	-2.3%	¥840M ($5.4M)
2026-06-05	BUY	Market Buy	島三博	strategic	1.1M	¥904	-2.3%	¥47M ($304K)
2026-06-05	BUY	Market Buy	和島興産株式会社	activist	3.8M	¥904	-2.3%	¥840M ($5.4M)
2026-06-05	BUY	Market Buy	島三博	strategic	1.1M	¥904	-2.3%	¥47M ($304K)
2025-06-03	SELL	Market Buy	テンプルトン・インベストメント・カウンセル・エルエルシー(Templeton Investment Counsel, LLC) Templeton Investment Counsel, LLC	passive	785.3K	¥861	-11.0%	¥962M ($6.2M)
2024-07-29	BUY	Market Buy	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	880.0K	¥1,689	-43.4%	¥36M ($234K)
2024-07-29	BUY	Market Buy	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	11.1K	¥1,689	-43.4%	¥1.4B ($9.1M)
2024-07-29	BUY	Market Buy	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	195.5K	¥1,689	-43.4%	¥145M ($936K)
2024-07-29	SELL	Market Buy	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	571.8K	¥1,689	+43.4%	¥24M ($156K)
2022-10-18	SELL	Market Buy	テンプルトン・インベストメント・カウンセル・エルエルシー(Templeton Investment Counsel, LLC) Templeton Investment Counsel, LLC	passive	1.9M	¥2,123	+55.0%	¥768M ($5.0M)
2022-03-02	BUY	Market Buy	テンプルトン・インベストメント・カウンセル・エルエルシー(Templeton Investment Counsel, LLC) Templeton Investment Counsel, LLC	passive	2.3M	¥1,733	-44.8%	¥757M ($4.9M)
2021-05-19	BUY	Market Buy	テンプルトン・インベストメント・カウンセル・エルエルシー(Templeton Investment Counsel, LLC) Templeton Investment Counsel, LLC	passive	1.8M	¥2,167	-55.9%	¥4.0B ($25.5M)

Frequently asked questions

Who has been buying Shima Seiki Mfg.,Ltd. stock?: 5 distinct investors have filed 5 disclosed large-shareholding filings in Shima Seiki Mfg.,Ltd. (6222), most recently on 2025-06-03. 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 Shima Seiki Mfg.,Ltd. have?: Shima Seiki Mfg.,Ltd. has 5 buy-side and 3 sell-side disclosures on record, covering ¥793M ($5.1M) in total reported value, spanning 2021-05-19 to 2025-06-03.
Where does StockDrifts get Shima Seiki Mfg.,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 Shima Seiki Mfg.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.