Who has been buying Tiemco Ltd. stock?

5 distinct investors have filed 2 disclosed large-shareholding filings in Tiemco Ltd. (7501), most recently on 2025-10-02. 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 Tiemco Ltd. have?

Tiemco Ltd. has 2 buy-side and 4 sell-side disclosures on record, covering ¥364M ($2.3M) in total reported value, spanning 2025-03-31 to 2025-10-02.

Where does StockDrifts get Tiemco 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.

Tiemco Ltd. 7501

Company

株式会社ティムコTiemco Ltd.

Investors

Buys

Total Value

¥364M ($2.3M)

Avg Return

+131.27%

Last Filing

2025-10-02

Tiemco Ltd. (7501) has 2 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥364M ($2.3M) in reported transaction value. The earliest filing StockDrifts holds for Tiemco Ltd. is dated 2025-03-31; the most recent is 2025-10-02. 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 +131.27%, 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
2026-05-29	SELL	Market Buy	株式会社人生設計代表取締役恩海祐介	passive	0	¥1,830	+17.5%	¥112M ($726K)
2026-05-29	SELL	Market Buy	株式会社人生設計代表取締役恩海祐介	passive	0	¥1,830	+17.5%	¥112M ($726K)
2026-05-29	SELL	Market Buy	株式会社人生設計代表取締役恩海祐介	passive	0	¥1,830	+17.5%	¥112M ($726K)
2026-05-29	BUY	unknown	株式会社堅果テクノ Nuts Tech Inc.	activist	1.1M	¥1,830	-17.5%	¥2.0B ($13.1M)
2026-05-29	SELL	Market Buy	大谷寛	passive	37.5K	¥1,830	+17.5%	¥515M ($3.3M)
2026-05-29	SELL	Market Buy	大谷寛	passive	37.5K	¥1,830	+17.5%	¥515M ($3.3M)
2026-05-29	SELL	Market Buy	青山浩	passive	0	¥1,830	+17.5%	¥53M ($343K)
2026-05-29	SELL	Market Buy	株式会社キャピタルギャラリー代表取締役青山浩	passive	37.5K	¥1,830	+17.5%	¥569M ($3.7M)
2026-05-29	SELL	Market Buy	青山浩	passive	0	¥1,830	+17.5%	¥53M ($343K)
2026-05-29	SELL	Market Buy	株式会社キャピタルギャラリー代表取締役青山浩	passive	37.5K	¥1,830	+17.5%	¥569M ($3.7M)
2026-05-29	SELL	Market Buy	大谷寛	passive	37.5K	¥1,830	+17.5%	¥515M ($3.3M)
2026-05-29	SELL	Market Buy	株式会社キャピタルギャラリー代表取締役青山浩	passive	37.5K	¥1,830	+17.5%	¥569M ($3.7M)
2026-05-29	SELL	Market Buy	青山浩	passive	0	¥1,830	+17.5%	¥53M ($343K)
2025-10-02	SELL	unknown	酒井貞彦 Sadahiko Sakai	other	162.0K	¥1,023	-95.4%	¥11M ($73K)
2025-10-02	BUY	unknown	酒井八重子 Yaeko Sakai	other	95.0K	¥1,023	+95.4%	¥97M ($627K)
2025-10-02	BUY	unknown	酒井八重子 Yaeko Sakai	other	95.0K	¥1,023	+95.4%	¥97M ($627K)
2025-10-02	SELL	unknown	酒井貞彦 Sadahiko Sakai	other	162.0K	¥1,023	-95.4%	¥11M ($73K)
2025-09-01	BUY	unknown	株式会社HKK HOLDINGS 代表取締役山尾裕一 HKK HOLDINGS Co., Ltd.	other	216.2K	¥1,049	+90.6%	¥227M ($1.5M)
2025-09-01	BUY	unknown	株式会社HKK HOLDINGS HKK HOLDINGS Co., Ltd.	other	216.2K	¥1,049	+90.6%	¥227M ($1.5M)
2025-08-28	BUY	unknown	株式会社スノーピーク Snow Peak, Inc.	other	0	¥1,033	+93.5%	¥180M ($1.2M)
2025-08-28	SELL	unknown	株式会社スノーピーク Snow Peak, Inc.	other	0	¥1,033	-93.5%	¥180M ($1.2M)
2025-04-02	BUY	Market Buy	大谷寛 Hiroshi Otani	passive	186.8K	¥735	+172.0%	¥137M ($886K)
2025-04-02	BUY	Market Buy	大谷寛 Hiroshi Otani	passive	186.8K	¥735	+172.0%	¥137M ($886K)
2025-03-31	SELL	unknown	株式会社スノーピーク Snow Peak, Inc.	other	174.0K	¥740	-170.1%	¥123M ($793K)

Frequently asked questions

Who has been buying Tiemco Ltd. stock?: 5 distinct investors have filed 2 disclosed large-shareholding filings in Tiemco Ltd. (7501), most recently on 2025-10-02. 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 Tiemco Ltd. have?: Tiemco Ltd. has 2 buy-side and 4 sell-side disclosures on record, covering ¥364M ($2.3M) in total reported value, spanning 2025-03-31 to 2025-10-02.
Where does StockDrifts get Tiemco 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 Tiemco Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.