Who has been buying Kusurinomadoguchi, Inc. stock?

9 distinct investors have filed 17 disclosed large-shareholding filings in Kusurinomadoguchi, Inc. (5592), most recently on 2026-01-09. 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 Kusurinomadoguchi, Inc. have?

Kusurinomadoguchi, Inc. has 17 buy-side and 11 sell-side disclosures on record, covering ¥29.2B ($188.6M) in total reported value, spanning 2023-10-04 to 2026-01-09.

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.

Kusurinomadoguchi, Inc. 5592

Company

株式会社くすりの窓口Kusurinomadoguchi, Inc.

Investors

Buys

Total Value

¥29.2B ($188.6M)

Avg Return

+57.36%

Last Filing

2026-01-09

Kusurinomadoguchi, Inc. (5592) has 17 disclosed large-shareholding filings and 11 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥29.2B ($188.6M) in reported transaction value. The earliest filing StockDrifts holds for Kusurinomadoguchi, Inc. is dated 2023-10-04; the most recent is 2026-01-09. Across these filings the average return since disclosure is +57.36%, 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
2026-01-09	SELL	Market Buy	光通信株式会社	passive	156.8K	¥2,925	+5.1%	¥7M ($43K)
2026-01-09	BUY	Market Buy	株式会社EPARK	passive	4.5M	¥2,925	-5.1%	¥558M ($3.6M)
2025-11-04	SELL	Market Buy	株式会社NBSE NBSE Inc.	activist	683.5K	¥3,065	+9.4%	¥34M ($222K)
2025-10-03	BUY	Market Buy	オリックス株式会社 ORIX CORPORATION	passive	524.6K	¥4,160	-	¥1.8B ($11.5M)
2025-10-03	SELL	Market Buy	オリックス株式会社 ORIX CORPORATION	passive	524.6K	¥4,160	+33.3%	¥1.8B ($11.5M)
2025-09-01	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	156.8K	¥3,800	-26.9%	¥166M ($1.1M)
2025-09-01	SELL	Market Buy	株式会社NBSE NBSE Inc.	activist	695.0K	¥3,800	+26.9%	¥725M ($4.7M)
2025-09-01	BUY	Market Buy	株式会社NBSE NBSE Inc.	activist	695.0K	¥3,800	-	¥725M ($4.7M)
2025-09-01	BUY	Market Buy	株式会社EPARK EPARK , INC.	passive	4.2M	¥3,800	-26.9%	¥3.9B ($24.9M)
2025-08-29	BUY	Market Buy	オリックス株式会社 ORIX CORPORATION	passive	953.9K	¥3,940	-29.5%	¥3.8B ($24.2M)
2025-08-29	SELL	Market Buy	株式会社NBSE NBSE Inc.	activist	885.8K	¥3,940	+29.5%	¥8.9B ($57.3M)
2025-08-05	BUY	Market Buy	株式会社NBSE NBSE Inc.	activist	3.1M	¥3,170	-	¥349M ($2.2M)
2025-08-05	SELL	Market Buy	株式会社NBSE NBSE Inc.	activist	3.1M	¥3,170	+12.4%	¥349M ($2.2M)
2025-04-03	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	11.0K	¥1,911	+45.3%	¥2.0B ($12.8M)
2025-04-03	SELL	Market Buy	SBIキャピタル株式会社 SBI CAPITAL Co., Ltd.	passive	1.8M	¥1,911	-45.3%	¥122M ($786K)
2024-10-28	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	111.2K	¥1,266	-	¥141M ($908K)
2024-10-28	BUY	Market Buy	株式会社EPARK EPARK , INC.	passive	3.1M	¥1,266	-	-
2024-08-21	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	173.9K	¥1,247	-122.7%	¥1M ($9K)
2024-08-21	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	301.3K	¥1,247	-	-
2024-08-21	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	-200	¥1,247	-117.7%	¥133M ($857K)
2024-08-06	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	174.2K	¥1,171	-137.2%	¥120M ($771K)
2024-08-06	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	301.3K	¥1,171	+137.2%	¥21M ($133K)
2024-08-06	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	107.0K	¥1,171	+137.2%	¥126M ($813K)
2024-07-04	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	-700	¥1,484	+83.0%	-
2024-07-04	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	276.3K	¥1,484	+87.1%	¥410M ($2.6M)
2024-07-04	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	283.4K	¥1,484	+87.1%	¥421M ($2.7M)
2023-11-14	BUY	Market Buy	SBIキャピタル株式会社 SBI CAPITAL Co., Ltd.	passive	1.9M	¥1,583	-	-
2023-11-14	SELL	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	59.5K	¥1,583	-75.4%	¥546M ($3.5M)
2023-11-06	BUY	Market Buy	SBIキャピタル株式会社 SBI CAPITAL Co., Ltd.	passive	1.9M	¥1,600	-	-
2023-11-06	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	404.3K	¥1,600	+73.6%	¥177M ($1.1M)
2023-10-27	BUY	Market Buy	SBIキャピタル株式会社 SBI CAPITAL Co., Ltd.	passive	1.9M	¥1,589	-	-
2023-10-27	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	292.7K	¥1,589	+74.8%	¥206M ($1.3M)
2023-10-23	BUY	Market Buy	SBIキャピタル株式会社 SBI CAPITAL Co., Ltd.	passive	1.9M	¥1,442	-	-
2023-10-23	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	164.1K	¥1,442	+92.6%	¥179M ($1.2M)
2023-10-12	BUY	Market Buy	株式会社SBI証券 SBI SECURITIES Co.,Ltd.	other	40.0K	¥1,571	+76.8%	¥63M ($405K)
2023-10-12	BUY	Market Buy	SBIキャピタル株式会社 SBI CAPITAL Co., Ltd.	passive	1.9M	¥1,571	+76.8%	¥2.9B ($18.9M)
2023-10-12	BUY	Market Buy	株式会社EPARK EPARK , INC.	passive	3.1M	¥1,571	+76.8%	¥4.9B ($31.8M)
2023-10-04	BUY	Market Buy	日本事業承継アントレプレナーズ株式会社 Nippon Business succession Entrepreneurs Inc.	activist	3.2M	¥1,610	+72.5%	¥5.1B ($33.0M)

Frequently asked questions

Who has been buying Kusurinomadoguchi, Inc. stock?: 9 distinct investors have filed 17 disclosed large-shareholding filings in Kusurinomadoguchi, Inc. (5592), most recently on 2026-01-09. 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 Kusurinomadoguchi, Inc. have?: Kusurinomadoguchi, Inc. has 17 buy-side and 11 sell-side disclosures on record, covering ¥29.2B ($188.6M) in total reported value, spanning 2023-10-04 to 2026-01-09.
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.