Who has been buying Punch Industry Co., Ltd. stock?

10 distinct investors have filed 14 disclosed large-shareholding filings in Punch Industry Co., Ltd. (6165), most recently on 2026-02-10. 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 Punch Industry Co., Ltd. have?

Punch Industry Co., Ltd. has 14 buy-side and 23 sell-side disclosures on record, covering ¥3.3B ($21.4M) in total reported value, spanning 2022-01-11 to 2026-02-10.

Where does StockDrifts get Punch Industry 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.

Punch Industry Co., Ltd. 6165

Company

パンチ工業株式会社Punch Industry Co., Ltd.

Investors

Buys

Total Value

¥3.3B ($21.4M)

Avg Return

+5.38%

Last Filing

2026-02-10

Punch Industry Co., Ltd. (6165) has 14 disclosed large-shareholding filings and 23 disclosed disposals on record, filed by 10 distinct investors. Together those filings cover ¥3.3B ($21.4M) in reported transaction value. The earliest filing StockDrifts holds for Punch Industry Co., Ltd. is dated 2022-01-11; the most recent is 2026-02-10. 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 +5.38%, 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
2026-08-07	SELL	unknown	森久保有司	other	663.0K	¥518	-1.9%	¥41M ($268K)
2026-08-07	SELL	unknown	エスティーエムヘリテージピーティーイーエルティーディー STM HERITAGE PTE. LTD.	unknown	0	¥518	-1.9%	¥715M ($4.6M)
2026-08-07	SELL	unknown	牧寛之	unknown	0	¥518	-1.9%	¥16M ($102K)
2026-08-07	SELL	unknown	森久保やよい	strategic	160.0K	¥518	-1.9%	¥10M ($65K)
2026-08-07	BUY	Market Buy	エム・ティ興産株式会社	strategic	5.2M	¥518	+1.9%	¥491M ($3.2M)
2026-08-07	SELL	unknown	森久保哲司	strategic	673.6K	¥518	-1.9%	¥41M ($268K)
2026-07-13	BUY	Market Buy	牧寛之	passive	30.0K	¥491	+6.5%	¥15M ($95K)
2026-07-13	BUY	Market Buy	エスティーエムヘリテージピーティーイーエルティーディー STM HERITAGE PTE. LTD.	passive	1.4M	¥491	+6.5%	¥678M ($4.4M)
2026-02-10	BUY	Market Buy	エスティーエムヘリテージピーティーイーエルティーディー STM HERITAGE PTE. LTD.	passive	1.4M	¥536	-6.7%	¥690M ($4.5M)
2026-02-10	BUY	Market Buy	牧寛之	passive	30.0K	¥536	-6.7%	¥15M ($97K)
2024-10-24	BUY	unknown	株式会社ミスミグループ本社 MISUMI Group Inc.	strategic	3.0M	¥413	+21.1%	¥1.2B ($8.0M)
2023-08-03	BUY	unknown	森久保やよい Morikubo Yayoi	strategic	160.0K	¥450	+11.1%	¥72M ($465K)
2023-08-03	BUY	unknown	エム・ティ興産株式会社 M.T. Kosan Co., Ltd.	strategic	3.8M	¥450	+11.1%	¥1.7B ($11.0M)
2023-08-03	BUY	unknown	森久保有司 Yuji Morikubo	other	663.0K	¥450	+11.1%	¥298M ($1.9M)
2023-08-03	BUY	unknown	森久保哲司 Morikubo Tetsuji	strategic	673.6K	¥450	+11.1%	¥303M ($2.0M)
2023-02-07	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	459.7K	¥464	-7.8%	¥30M ($192K)
2023-02-07	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	502.7K	¥464	+7.8%	¥227M ($1.5M)
2023-02-07	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	31.5K	¥464	-7.8%	¥37M ($236K)
2023-02-01	SELL	unknown	エム・ティ興産株式会社 M.T. Kosan Co., Ltd.	strategic	3.8M	¥456	-9.7%	¥126M ($811K)
2023-02-01	SELL	unknown	森久保有司 Yuji Morikubo	other	663.0K	¥456	-9.7%	¥22M ($145K)
2023-02-01	SELL	unknown	森久保やよい Morikubo Yayoi	strategic	160.0K	¥456	-9.7%	¥6M ($36K)
2023-02-01	SELL	unknown	森久保哲司 Morikubo Tetsuji	strategic	673.6K	¥456	-9.7%	¥22M ($145K)
2022-12-07	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	1.3M	¥406	-23.1%	¥220M ($1.4M)
2022-12-07	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	503.6K	¥406	-23.1%	¥5M ($31K)
2022-12-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	106.5K	¥406	+23.1%	¥25M ($161K)
2022-11-25	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	503.8K	¥426	-17.4%	¥29M ($190K)
2022-11-25	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	44.4K	¥426	+17.4%	¥19M ($122K)
2022-11-25	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	1.9M	¥426	-17.4%	¥108M ($697K)
2022-10-11	BUY	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	569.8K	¥416	+20.2%	¥955K ($6K)
2022-10-11	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	2.2M	¥416	+20.2%	¥32M ($210K)
2022-10-07	SELL	unknown	森久保やよい Morikubo Yayoi	strategic	160.0K	¥430	-16.3%	¥2M ($13K)
2022-10-07	SELL	unknown	エム・ティ興産株式会社 M.T. Kosan Co., Ltd.	strategic	3.8M	¥430	-16.3%	¥46M ($299K)
2022-10-07	SELL	unknown	森久保有司 Yuji Morikubo	other	663.0K	¥430	-16.3%	¥8M ($51K)
2022-10-07	SELL	unknown	森久保哲司 Morikubo Tetsuji	strategic	673.6K	¥430	-16.3%	¥8M ($51K)
2022-10-05	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	568.1K	¥426	+17.4%	¥242M ($1.6M)
2022-10-05	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	2.1M	¥426	-17.4%	¥85M ($549K)
2022-09-12	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	563.2K	¥440	-13.6%	¥1M ($6K)
2022-09-12	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	2.3M	¥440	-13.6%	¥104M ($673K)
2022-07-11	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	559.2K	¥451	+10.9%	¥18M ($118K)
2022-07-11	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	8.7K	¥451	-10.9%	¥306M ($2.0M)
2022-07-11	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	2.5M	¥451	-10.9%	¥101M ($651K)
2022-04-08	BUY	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	514.7K	¥484	+3.3%	¥249M ($1.6M)
2022-04-08	SELL	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	16.2K	¥484	-3.3%	¥432M ($2.8M)
2022-04-08	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	2.8M	¥484	+3.3%	¥215M ($1.4M)
2022-04-07	SELL	unknown	森久保有司 Yuji Morikubo	other	663.0K	¥485	-3.1%	¥3M ($21K)
2022-04-07	BUY	unknown	森久保やよい Morikubo Yayoi	strategic	160.0K	¥485	+3.1%	¥78M ($501K)
2022-04-07	SELL	unknown	エム・ティ興産株式会社 M.T. Kosan Co., Ltd.	strategic	3.8M	¥485	-3.1%	¥17M ($112K)
2022-04-07	SELL	unknown	森久保哲司 Morikubo Tetsuji	strategic	673.6K	¥485	-3.1%	¥3M ($21K)
2022-04-05	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	514.7K	¥498	+0.4%	¥2M ($14K)
2022-04-05	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	25.2K	¥498	+0.4%	¥13M ($81K)

Showing the 50 most recent of 59 filings.

Frequently asked questions

Who has been buying Punch Industry Co., Ltd. stock?: 10 distinct investors have filed 14 disclosed large-shareholding filings in Punch Industry Co., Ltd. (6165), most recently on 2026-02-10. 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 Punch Industry Co., Ltd. have?: Punch Industry Co., Ltd. has 14 buy-side and 23 sell-side disclosures on record, covering ¥3.3B ($21.4M) in total reported value, spanning 2022-01-11 to 2026-02-10.
Where does StockDrifts get Punch Industry 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 Punch Industry Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.