Who has been buying Kimuratan Corporation stock?

5 distinct investors have filed 10 disclosed large-shareholding filings in Kimuratan Corporation (8107), most recently on 2026-01-15. 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 Kimuratan Corporation have?

Kimuratan Corporation has 10 buy-side and 26 sell-side disclosures on record, covering ¥4.8B ($30.9M) in total reported value, spanning 2021-10-28 to 2026-01-15.

Where does StockDrifts get Kimuratan Corporation 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.

Kimuratan Corporation 8107

Company

株式会社キムラタンKimuratan Corporation

Investors

Buys

Total Value

¥4.8B ($30.9M)

Avg Return

+42.95%

Last Filing

2026-01-15

Kimuratan Corporation (8107) has 10 disclosed large-shareholding filings and 26 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥4.8B ($30.9M) in reported transaction value. The earliest filing StockDrifts holds for Kimuratan Corporation is dated 2021-10-28; the most recent is 2026-01-15. 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 +42.95%, 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
2026-06-16	BUY	unknown	株式会社不老不死研究所	activist	504.5K	¥32	+3.1%	¥16M ($104K)
2026-06-16	BUY	Market Buy	澤田秀雄	activist	57.0M	¥32	+3.1%	¥90M ($580K)
2026-01-15	SELL	unknown	株式会社レゾンディレクション RAISON DIRECTION Co., Ltd.	other	90.2M	¥31	-3.2%	¥886M ($5.7M)
2026-01-15	SELL	Market Buy	株式会社不老不死研究所	passive	504.5K	¥31	-3.2%	¥16M ($104K)
2026-01-15	BUY	Market Buy	澤田秀雄	passive	54.2M	¥31	+3.2%	¥1.7B ($11.2M)
2026-01-15	SELL	unknown	清川浩志	other	75.5M	¥31	-3.2%	¥2.4B ($15.6M)
2026-01-15	SELL	unknown	株式会社レゾンディレクション	other	14.7M	¥31	-3.2%	¥470M ($3.0M)
2026-01-13	BUY	Market Buy	株式会社不老不死研究所	passive	504.5K	¥31	-3.2%	¥16M ($104K)
2026-01-13	SELL	Market Buy	澤田秀雄	passive	44.5M	¥31	-3.2%	¥1.4B ($9.2M)
2026-01-13	SELL	Market Buy	澤田秀雄 Hideo Sawada	passive	45.0M	¥31	-3.2%	¥11M ($72K)
2024-09-04	SELL	private	ニッポン・オポチュニティー・マネジメント・エルエルシー(Nippon Opportunity Management LLC) Nippon Opportunity Management LLC	passive	9.1M	¥17	-88.2%	¥70M ($454K)
2024-06-19	SELL	private	ニッポン・オポチュニティー・マネジメント・エルエルシー(Nippon Opportunity Management LLC) Nippon Opportunity Management LLC	passive	13.4M	¥17	-88.2%	¥2M ($11K)
2024-06-07	SELL	private	ニッポン・オポチュニティー・マネジメント・エルエルシー(Nippon Opportunity Management LLC) Nippon Opportunity Management LLC	passive	13.5M	¥17	-88.2%	¥63M ($404K)
2024-04-17	SELL	private	ニッポン・オポチュニティー・マネジメント・エルエルシー(Nippon Opportunity Management LLC) Nippon Opportunity Management LLC	passive	17.4M	¥17	-88.2%	¥5M ($35K)
2024-03-21	SELL	private	ニッポン・オポチュニティー・マネジメント・エルエルシー(Nippon Opportunity Management LLC) Nippon Opportunity Management LLC	passive	17.7M	¥18	-77.8%	¥45M ($290K)
2023-12-20	SELL	private	ニッポン・オポチュニティー・マネジメント・エルエルシー(Nippon Opportunity Management LLC) Nippon Opportunity Management LLC	passive	20.4M	¥19	-68.4%	¥6M ($38K)
2023-12-05	SELL	private	ニッポン・オポチュニティー・マネジメント・エルエルシー(Nippon Opportunity Management LLC) Nippon Opportunity Management LLC	passive	20.7M	¥18	-77.8%	¥53M ($344K)
2023-12-01	BUY	Market Buy	澤田秀雄 Hideo Sawada	passive	42.0M	¥19	+68.4%	¥45M ($293K)
2023-08-30	BUY	Market Buy	澤田秀雄 Hideo Sawada	passive	39.2M	¥21	+52.4%	¥60M ($388K)
2023-08-15	SELL	private	ニッポン・オポチュニティー・マネジメント・エルエルシー(Nippon Opportunity Management LLC) Nippon Opportunity Management LLC	passive	23.9M	¥20	-60.0%	¥53M ($342K)
2023-05-01	SELL	private	ニッポン・オポチュニティー・マネジメント・エルエルシー(Nippon Opportunity Management LLC) Nippon Opportunity Management LLC	passive	26.8M	¥22	-45.5%	¥102M ($659K)
2023-04-26	BUY	Market Buy	澤田秀雄 Hideo Sawada	passive	35.6M	¥22	+45.5%	¥784M ($5.1M)
2023-04-14	SELL	private	ニッポン・オポチュニティー・マネジメント・エルエルシー(Nippon Opportunity Management LLC) Nippon Opportunity Management LLC	passive	28.6M	¥21	-52.4%	¥61M ($394K)
2023-03-29	SELL	private	株式会社レゾンディレクション RAISON DIRECTION Co., Ltd.	other	24.0M	¥22	-45.5%	¥50M ($320K)
2023-03-29	BUY	private	清川浩志 Hiroshi Kiyokawa	other	69.0M	¥22	+45.5%	¥76M ($490K)
2023-03-29	BUY	private	清川浩志 Hiroshi Kiyokawa	other	69.0M	¥22	+45.5%	¥76M ($490K)
2023-03-29	SELL	private	株式会社レゾンディレクション RAISON DIRECTION Co., Ltd.	other	24.0M	¥22	-45.5%	¥50M ($320K)
2022-12-22	SELL	private	ニッポン・オポチュニティー・マネジメント・エルエルシー(Nippon Opportunity Management LLC) Nippon Opportunity Management LLC	passive	30.5M	¥20	-60.0%	¥775K ($5K)
2022-12-20	SELL	private	ニッポン・オポチュニティー・マネジメント・エルエルシー(Nippon Opportunity Management LLC) Nippon Opportunity Management LLC	passive	30.6M	¥20	-60.0%	¥38M ($247K)
2022-09-27	SELL	private	ニッポン・オポチュニティー・マネジメント・エルエルシー(Nippon Opportunity Management LLC) Nippon Opportunity Management LLC	passive	32.8M	¥21	-52.4%	¥3M ($21K)
2022-09-15	SELL	private	ニッポン・オポチュニティー・マネジメント・エルエルシー(Nippon Opportunity Management LLC) Nippon Opportunity Management LLC	passive	32.9M	¥21	-52.4%	¥42M ($268K)
2022-09-09	BUY	private	清川浩志 Hiroshi Kiyokawa	other	59.5M	¥22	+45.5%	¥1.3B ($8.4M)
2022-09-09	BUY	private	清川浩志 Hiroshi Kiyokawa	other	59.5M	¥22	+45.5%	¥674M ($4.3M)
2022-09-09	SELL	private	株式会社レゾンディレクション RAISON DIRECTION Co., Ltd.	other	24.0M	¥22	-45.5%	¥120M ($774K)
2022-09-09	BUY	private	株式会社レゾンディレクション RAISON DIRECTION Co., Ltd.	other	24.0M	¥22	+45.5%	¥528M ($3.4M)
2022-07-04	SELL	private	ニッポン・オポチュニティー・マネジメント・エルエルシー(Nippon Opportunity Management LLC) Nippon Opportunity Management LLC	passive	35.2M	¥22	-45.5%	¥141M ($908K)
2022-06-24	BUY	private	清川浩志 Hiroshi Kiyokawa	other	59.5M	¥23	+39.1%	¥704M ($4.5M)
2022-06-24	BUY	private	清川浩志 Hiroshi Kiyokawa	other	59.5M	¥23	+39.1%	¥704M ($4.5M)
2022-06-24	SELL	private	株式会社レゾンディレクション RAISON DIRECTION Co., Ltd.	other	24.0M	¥23	-39.1%	¥125M ($809K)
2022-06-24	SELL	private	株式会社レゾンディレクション RAISON DIRECTION Co., Ltd.	other	24.0M	¥23	-39.1%	¥125M ($809K)
2021-10-28	BUY	private	ニッポン・オポチュニティー・マネジメント・エルエルシー(Nippon Opportunity Management LLC) Nippon Opportunity Management LLC	passive	35.5M	¥22	+45.5%	¥781M ($5.0M)

Frequently asked questions

Who has been buying Kimuratan Corporation stock?: 5 distinct investors have filed 10 disclosed large-shareholding filings in Kimuratan Corporation (8107), most recently on 2026-01-15. 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 Kimuratan Corporation have?: Kimuratan Corporation has 10 buy-side and 26 sell-side disclosures on record, covering ¥4.8B ($30.9M) in total reported value, spanning 2021-10-28 to 2026-01-15.
Where does StockDrifts get Kimuratan Corporation 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 Kimuratan Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.