Who has been buying Kurimoto, Ltd. stock?

11 distinct investors have filed 13 disclosed large-shareholding filings in Kurimoto, Ltd. (5602), most recently on 2026-03-19. 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 Kurimoto, Ltd. have?

Kurimoto, Ltd. has 13 buy-side and 11 sell-side disclosures on record, covering ¥7.7B ($50.0M) in total reported value, spanning 2021-12-07 to 2026-03-19.

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.

Kurimoto, Ltd. 5602

Company

株式会社栗本鐵工所Kurimoto, Ltd.

Investors

Buys

Total Value

¥7.7B ($50.0M)

Avg Return

+135.87%

Last Filing

2026-03-19

Kurimoto, Ltd. (5602) has 13 disclosed large-shareholding filings and 11 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥7.7B ($50.0M) in reported transaction value. The earliest filing StockDrifts holds for Kurimoto, Ltd. is dated 2021-12-07; the most recent is 2026-03-19. Across these filings the average return since disclosure is +135.87%, 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
2026-03-19	SELL	Market Buy	太陽生命保険株式会社	passive	5.1M	¥1,545	-2.5%	¥524M ($3.4M)
2026-03-19	SELL	Market Buy	T&Dアセットマネジメント株式会社	other	0	¥1,545	-2.5%	¥494M ($3.2M)
2026-03-06	BUY	Market Buy	株式会社三井住友銀行	other	680.1K	¥1,589	-	-
2026-03-06	BUY	Market Buy	三井住友DSアセットマネジメント株式会社	passive	3.5M	¥1,589	-0.3%	¥1.3B ($8.3M)
2025-12-22	BUY	Market Buy	株式会社三井住友銀行	other	680.1K	¥1,640	-3.4%	¥1.1B ($7.2M)
2025-12-22	BUY	Market Buy	三井住友DSアセットマネジメント株式会社	passive	2.7M	¥1,640	-3.4%	¥4.4B ($28.6M)
2025-07-15	SELL	unknown	ゼナーアセットマネジメントエルエルピー(Zennor Asset Management LLP) Zennor Asset Management LLP	activist	588.5K	¥1,302	-21.7%	¥275M ($1.8M)
2025-01-22	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	362.3K	¥855	-85.3%	¥100M ($642K)
2025-01-22	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	225.8K	¥855	-	-
2025-01-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	231.3K	¥855	-85.3%	¥13M ($85K)
2024-11-22	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	479.0K	¥821	-92.9%	¥154M ($997K)
2024-11-22	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	225.8K	¥821	-92.9%	¥7M ($47K)
2024-11-22	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	246.8K	¥821	+92.9%	¥51M ($332K)
2024-11-21	BUY	Market Buy	ゼナーアセットマネジメントエルエルピー(Zennor Asset Management LLP) Zennor Asset Management LLP	activist	800.0K	¥803	+97.3%	¥115M ($743K)
2024-07-17	SELL	unknown	T&Dアセットマネジメント株式会社 T&D Asset Management Co.,Ltd.	other	64.4K	¥999	-58.6%	¥36M ($231K)
2024-07-17	BUY	unknown	太陽生命保険株式会社 TAIYO LIFE INSURANCE COMPANY	passive	1.1M	¥999	+58.6%	¥1.1B ($6.9M)
2024-04-24	BUY	unknown	ゼナーアセットマネジメントエルエルピー(Zennor Asset Management LLP) Zennor Asset Management LLP	activist	656.6K	¥867	+82.7%	¥569M ($3.7M)
2024-04-24	BUY	unknown	ゼナーアセットマネジメントエルエルピー(Zennor Asset Management LLP) Zennor Asset Management LLP	activist	656.6K	¥867	-	¥569M ($3.7M)
2024-04-24	BUY	unknown	ゼナーアセットマネジメントエルエルピー(Zennor Asset Management LLP) Zennor Asset Management LLP	activist	656.6K	¥867	-	¥569M ($3.7M)
2023-09-06	BUY	negotiated	株式会社りそな銀行 Resona Bank, Limited.	strategic	444.0K	¥578	+174.1%	¥257M ($1.7M)
2023-09-06	BUY	negotiated	りそなアセットマネジメント株式会社 Resona Asset Management Co., Ltd.	other	179.7K	¥578	+174.1%	¥104M ($670K)
2023-09-06	BUY	negotiated	株式会社関西みらい銀行 Kansai Mirai Bank, Ltd.	strategic	21.0K	¥578	+174.1%	¥12M ($78K)
2023-07-24	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	682.3K	¥489.8	-	-
2023-07-24	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	239.2K	¥489.8	+223.4%	¥10M ($62K)
2023-07-24	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	189.1K	¥489.8	-223.4%	¥65M ($422K)
2022-09-09	BUY	Market Buy	太陽生命保険株式会社 TAIYO LIFE INSURANCE COMPANY	passive	1.2M	¥326	+385.9%	¥9M ($58K)
2022-09-09	BUY	Market Buy	T&Dアセットマネジメント株式会社 T&D Asset Management Co.,Ltd.	other	102.0K	¥326	+385.9%	¥33M ($215K)
2021-12-07	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	682.3K	¥318	-	-
2021-12-07	SELL	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	219.6K	¥318	-398.1%	¥3M ($21K)
2021-12-07	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	322.4K	¥318	-398.1%	¥23M ($150K)

Frequently asked questions

Who has been buying Kurimoto, Ltd. stock?: 11 distinct investors have filed 13 disclosed large-shareholding filings in Kurimoto, Ltd. (5602), most recently on 2026-03-19. 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 Kurimoto, Ltd. have?: Kurimoto, Ltd. has 13 buy-side and 11 sell-side disclosures on record, covering ¥7.7B ($50.0M) in total reported value, spanning 2021-12-07 to 2026-03-19.
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.