Who has been buying Smartvalue Co., Ltd. stock?

9 distinct investors have filed 24 disclosed large-shareholding filings in Smartvalue Co., Ltd. (9417), most recently on 2025-10-03. 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 Smartvalue Co., Ltd. have?

Smartvalue Co., Ltd. has 24 buy-side and 40 sell-side disclosures on record, covering ¥2.0B ($12.7M) in total reported value, spanning 2021-04-22 to 2025-10-03.

Where does StockDrifts get Smartvalue 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.

Smartvalue Co., Ltd. 9417

Company

株式会社スマートバリューSmartvalue Co., Ltd.

Investors

Buys

Total Value

¥2.0B ($12.7M)

Avg Return

-40.24%

Last Filing

2025-10-03

Smartvalue Co., Ltd. (9417) has 24 disclosed large-shareholding filings and 40 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥2.0B ($12.7M) in reported transaction value. The earliest filing StockDrifts holds for Smartvalue Co., Ltd. is dated 2021-04-22; the most recent is 2025-10-03. 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 -40.24%, 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
2026-06-03	SELL	unknown	株式会社コモンズ&センス	strategic	386.0K	¥297	-9.8%	¥56M ($364K)
2026-06-03	BUY	unknown	渋谷順	strategic	1.2M	¥297	+9.8%	¥359M ($2.3M)
2025-10-03	BUY	unknown	株式会社希実製作 Nozomi Production Co., Ltd.	strategic	516.0K	¥462	-27.1%	¥238M ($1.5M)
2025-10-03	SELL	unknown	渋谷一正 Kazumasa Shibuya	strategic	1.9M	¥462	+27.1%	¥92M ($595K)
2025-10-01	BUY	unknown	株式会社コモンズ&センス Commons & Sense Co., Ltd.	strategic	576.0K	¥462	-27.1%	¥266M ($1.7M)
2025-10-01	BUY	unknown	渋谷順 Jun Shibuya	strategic	1.2M	¥462	-27.1%	¥559M ($3.6M)
2023-06-30	BUY	unknown	株式会社コモンズ&センス Commons & Sense Co., Ltd.	strategic	576.0K	¥401	-16.0%	¥231M ($1.5M)
2023-06-30	BUY	unknown	渋谷順 Jun Shibuya	strategic	1.2M	¥401	-16.0%	¥485M ($3.1M)
2023-05-23	BUY	unknown	株式会社コモンズ&センス Commons & Sense Co., Ltd.	strategic	576.0K	¥394	-14.5%	¥227M ($1.5M)
2023-05-23	SELL	unknown	株式会社コモンズ&センス Commons & Sense Co., Ltd.	strategic	576.0K	¥394	+14.5%	¥9M ($60K)
2023-05-23	SELL	unknown	渋谷順 Jun Shibuya	strategic	1.2M	¥394	+14.5%	¥104M ($673K)
2023-05-23	BUY	unknown	渋谷順 Jun Shibuya	strategic	1.2M	¥394	-14.5%	¥476M ($3.1M)
2023-03-09	BUY	negotiated	ウイングアーク1st株式会社 WingArc1st Inc.	strategic	830.0K	¥470	-28.3%	¥390M ($2.5M)
2023-03-07	SELL	unknown	株式会社コモンズ&センス Commons & Sense Co., Ltd.	strategic	576.0K	¥454	+25.8%	¥11M ($69K)
2023-03-07	SELL	unknown	株式会社希実製作 Nozomi Production Co., Ltd.	strategic	516.0K	¥454	+25.8%	¥38M ($244K)
2023-03-07	SELL	unknown	渋谷一正 Kazumasa Shibuya	strategic	2.1M	¥454	+25.8%	¥109M ($701K)
2023-03-07	SELL	unknown	渋谷一正 Kazumasa Shibuya	strategic	2.1M	¥454	+25.8%	¥109M ($704K)
2023-03-07	SELL	unknown	渋谷一正 Kazumasa Shibuya	strategic	2.1M	¥454	+25.8%	¥109M ($704K)
2023-03-07	SELL	unknown	株式会社希実製作 Nozomi Production Co., Ltd.	strategic	516.0K	¥454	+25.8%	¥38M ($244K)
2023-03-07	SELL	unknown	株式会社コモンズ&センス Commons & Sense Co., Ltd.	strategic	576.0K	¥454	+25.8%	¥11M ($69K)
2023-03-07	SELL	unknown	株式会社希実製作 Nozomi Production Co., Ltd.	strategic	516.0K	¥454	+25.8%	¥38M ($244K)
2023-03-07	SELL	unknown	渋谷順 Jun Shibuya	strategic	1.2M	¥454	+25.8%	¥120M ($776K)
2023-03-07	SELL	unknown	渋谷順 Jun Shibuya	strategic	1.2M	¥454	+25.8%	¥120M ($776K)
2022-12-07	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	173.8K	¥473	+28.8%	¥28M ($179K)
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	143.3K	¥473	+28.8%	¥2M ($16K)
2022-12-07	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	160.1K	¥473	+28.8%	¥1M ($9K)
2022-09-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	149.0K	¥491	-31.4%	¥73M ($472K)
2022-09-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	162.9K	¥491	-31.4%	¥80M ($516K)
2022-09-07	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	232.1K	¥491	+31.4%	¥16M ($101K)
2022-08-22	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	263.5K	¥498	-32.3%	¥131M ($847K)
2022-08-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	149.3K	¥498	-32.3%	¥74M ($480K)
2022-08-22	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	163.4K	¥498	-32.3%	¥81M ($525K)
2022-07-22	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	148.6K	¥484	+30.4%	¥497K ($3K)
2022-07-22	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	162.9K	¥484	-30.4%	¥80M ($519K)
2022-07-22	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	263.9K	¥484	+30.4%	¥86M ($555K)
2022-07-07	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	149.5K	¥495	-31.9%	¥2M ($13K)
2022-07-07	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	-2.9K	¥495	+31.9%	¥137M ($882K)
2022-07-07	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	441.7K	¥495	-31.9%	¥133M ($856K)
2022-06-22	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	145.6K	¥464	-27.4%	¥2M ($12K)
2022-06-22	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	273.3K	¥464	+27.4%	¥22M ($144K)
2022-06-22	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	173.2K	¥464	-27.4%	¥14M ($89K)
2022-05-20	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	141.9K	¥534	-36.9%	¥21M ($138K)
2022-05-20	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	321.4K	¥534	+36.9%	¥548K ($4K)
2022-05-20	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	143.9K	¥534	+36.9%	¥25M ($163K)
2022-05-11	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	101.4K	¥521	+35.3%	¥6M ($41K)
2022-05-11	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	322.8K	¥521	-35.3%	¥40M ($259K)
2022-05-11	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	191.0K	¥521	+35.3%	¥27M ($176K)
2022-04-07	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	113.7K	¥518	+34.9%	¥12M ($79K)
2022-04-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	245.2K	¥518	-34.9%	¥52M ($333K)
2022-04-07	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	243.4K	¥518	+34.9%	¥48M ($309K)

Showing the 50 most recent of 97 filings.

Frequently asked questions

Who has been buying Smartvalue Co., Ltd. stock?: 9 distinct investors have filed 24 disclosed large-shareholding filings in Smartvalue Co., Ltd. (9417), most recently on 2025-10-03. 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 Smartvalue Co., Ltd. have?: Smartvalue Co., Ltd. has 24 buy-side and 40 sell-side disclosures on record, covering ¥2.0B ($12.7M) in total reported value, spanning 2021-04-22 to 2025-10-03.
Where does StockDrifts get Smartvalue 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 Smartvalue Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.