Who has been buying Tein, Inc. stock?

4 distinct investors have filed 12 disclosed large-shareholding filings in Tein, Inc. (7217), most recently on 2025-02-14. 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 Tein, Inc. have?

Tein, Inc. has 12 buy-side and 4 sell-side disclosures on record, covering ¥271M ($1.7M) in total reported value, spanning 2021-06-22 to 2025-02-14.

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.

Tein, Inc. 7217

Company

株式会社テインTein, Inc.

Investors

Buys

Total Value

¥271M ($1.7M)

Avg Return

+4.32%

Last Filing

2025-02-14

Tein, Inc. (7217) has 12 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥271M ($1.7M) in reported transaction value. The earliest filing StockDrifts holds for Tein, Inc. is dated 2021-06-22; the most recent is 2025-02-14. Across these filings the average return since disclosure is +4.32%, 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
2025-02-14	BUY	Market Buy	市野諮 Hakaru Ichino	activist	686.3K	¥417	+4.3%	¥11M ($70K)
2025-02-14	BUY	Market Buy	市野澄恵 Sumie Ichino	activist	121.5K	¥417	+4.3%	¥4M ($24K)
2025-02-14	BUY	Market Buy	株式会社イチノホールディングス Ichino Holdings Co., Ltd.	strategic	1.8M	¥417	+4.3%	¥57M ($365K)
2024-05-24	SELL	unknown	市野諮 Hakaru Ichino	activist	713.3K	¥507.5	+14.3%	¥30M ($193K)
2024-05-24	BUY	unknown	市野諮 Hakaru Ichino	activist	713.3K	¥507.5	-	¥30M ($193K)
2024-05-24	SELL	unknown	市野諮 Hakaru Ichino	activist	713.3K	¥507.5	+14.3%	¥30M ($193K)
2024-05-24	BUY	unknown	市野澄恵 Sumie Ichino	activist	121.5K	¥507.5	-	-
2024-05-24	BUY	unknown	株式会社イチノホールディングス Ichino Holdings Co., Ltd.	strategic	1.8M	¥507.5	-	-
2024-05-24	BUY	unknown	市野澄恵 Sumie Ichino	activist	121.5K	¥507.5	-	-
2024-05-24	BUY	unknown	株式会社イチノホールディングス Ichino Holdings Co., Ltd.	strategic	1.8M	¥507.5	-	-
2024-05-24	BUY	unknown	市野澄恵 Sumie Ichino	activist	121.5K	¥507.5	-	-
2024-05-24	BUY	unknown	株式会社イチノホールディングス Ichino Holdings Co., Ltd.	strategic	1.8M	¥507.5	-	-
2022-12-22	BUY	Market Buy	市野諮 Hakaru Ichino	activist	772.3K	¥417	+4.3%	¥61M ($395K)
2022-12-22	BUY	unknown	市野諮 Hakaru Ichino	activist	772.3K	¥417	+4.3%	¥61M ($395K)
2022-12-22	BUY	unknown	市野諮 Hakaru Ichino	activist	772.3K	¥417	+4.3%	¥61M ($395K)
2022-12-22	BUY	Market Buy	市野澄恵 Sumie Ichino	activist	121.5K	¥417	+4.3%	¥9M ($61K)
2022-12-22	BUY	Market Buy	株式会社イチノホールディングス Ichino Holdings Co., Ltd.	strategic	1.8M	¥417	+4.3%	¥144M ($928K)
2022-12-22	BUY	unknown	市野澄恵 Sumie Ichino	activist	121.5K	¥417	+4.3%	¥9M ($61K)
2022-12-22	BUY	unknown	株式会社イチノホールディングス Ichino Holdings Co., Ltd.	strategic	1.8M	¥417	+4.3%	¥144M ($928K)
2022-12-22	BUY	unknown	市野澄恵 Sumie Ichino	activist	121.5K	¥417	+4.3%	¥9M ($61K)
2022-12-22	BUY	unknown	株式会社イチノホールディングス Ichino Holdings Co., Ltd.	strategic	1.8M	¥417	+4.3%	¥144M ($928K)
2021-06-22	SELL	unknown	株式会社テイン Tein, Inc.	other	0	¥648	+32.9%	¥945M ($6.1M)
2021-06-22	SELL	unknown	市野諮 Hakaru Ichino	activist	770.3K	¥648	+32.9%	¥137M ($882K)
2021-06-22	BUY	unknown	株式会社イチノホールディングス Ichino Holdings Co., Ltd.	strategic	1.8M	¥648	-	-
2021-06-22	BUY	unknown	市野澄恵 Sumie Ichino	activist	121.5K	¥648	-	-

Frequently asked questions

Who has been buying Tein, Inc. stock?: 4 distinct investors have filed 12 disclosed large-shareholding filings in Tein, Inc. (7217), most recently on 2025-02-14. 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 Tein, Inc. have?: Tein, Inc. has 12 buy-side and 4 sell-side disclosures on record, covering ¥271M ($1.7M) in total reported value, spanning 2021-06-22 to 2025-02-14.
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.