Who has been buying JCR Pharmaceuticals Co., Ltd. stock?

5 distinct investors have filed 9 disclosed large-shareholding filings in JCR Pharmaceuticals Co., Ltd. (4552), most recently on 2025-02-20. 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 JCR Pharmaceuticals Co., Ltd. have?

JCR Pharmaceuticals Co., Ltd. has 9 buy-side and 6 sell-side disclosures on record, covering ¥18.8B ($121.6M) in total reported value, spanning 2021-11-24 to 2025-02-20.

Where does StockDrifts get JCR Pharmaceuticals 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.

JCR Pharmaceuticals Co., Ltd. 4552

Company

JCRファーマ株式会社JCR Pharmaceuticals Co., Ltd.

Investors

Buys

Total Value

¥18.8B ($121.6M)

Avg Return

-29.54%

Last Filing

2025-02-20

JCR Pharmaceuticals Co., Ltd. (4552) has 9 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥18.8B ($121.6M) in reported transaction value. The earliest filing StockDrifts holds for JCR Pharmaceuticals Co., Ltd. is dated 2021-11-24; the most recent is 2025-02-20. 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 -29.54%, 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
2025-02-20	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	5.5M	¥530	+14.5%	¥2.9B ($18.6M)
2025-02-20	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	356.3K	¥530	-14.5%	¥6.9B ($44.3M)
2024-07-19	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	7.1M	¥635	-4.4%	¥4.5B ($28.7M)
2024-07-19	BUY	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	482.2K	¥635	-4.4%	¥74M ($478K)
2024-04-19	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	8.1M	¥781	-22.3%	¥6.3B ($40.4M)
2024-04-19	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	365.1K	¥781	-22.3%	¥285M ($1.8M)
2024-03-05	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	9.7M	¥891	-31.9%	¥1.6B ($10.3M)
2023-11-16	BUY	unknown	株式会社メディパルホールディングス MEDIPAL HOLDINGS CORPORATION	activist	29.1M	¥1,225	-50.5%	¥35.7B ($230.2M)
2023-07-06	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	7.9M	¥1,234	-50.8%	¥1.7B ($11.2M)
2023-07-06	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	65.0K	¥1,234	-50.8%	¥7.8B ($50.6M)
2023-04-06	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	6.5M	¥1,441	-57.9%	¥9.4B ($60.6M)
2023-04-06	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	134.0K	¥1,441	-57.9%	¥193M ($1.2M)
2023-03-14	SELL	Market Buy	キッセイ薬品工業株式会社 KISSEI PHARMACEUTICAL CO., LTD.	passive	6.4M	¥1,479	+59.0%	¥556M ($3.6M)
2023-03-01	SELL	Market Buy	キッセイ薬品工業株式会社 KISSEI PHARMACEUTICAL CO., LTD.	passive	6.8M	¥1,423	+57.3%	¥1.9B ($12.1M)
2023-01-23	BUY	Market Buy	キッセイ薬品工業株式会社 KISSEI PHARMACEUTICAL CO., LTD.	passive	8.1M	¥1,608	-62.3%	¥13.1B ($84.2M)
2022-12-12	SELL	Market Buy	キッセイ薬品工業株式会社 KISSEI PHARMACEUTICAL CO., LTD.	passive	8.1M	¥1,885	+67.8%	¥3.2B ($20.7M)
2022-09-12	SELL	Market Buy	キッセイ薬品工業株式会社 KISSEI PHARMACEUTICAL CO., LTD.	passive	9.8M	¥2,204	+72.5%	¥6.1B ($39.6M)
2021-11-24	SELL	Market Buy	キッセイ薬品工業株式会社 KISSEI PHARMACEUTICAL CO., LTD.	passive	12.6M	¥2,568	+76.4%	¥3.4B ($21.7M)
2021-11-24	BUY	Market Buy	キッセイ薬品工業株式会社 KISSEI PHARMACEUTICAL CO., LTD.	passive	12.6M	¥2,568	-76.4%	¥3.4B ($21.7M)

Frequently asked questions

Who has been buying JCR Pharmaceuticals Co., Ltd. stock?: 5 distinct investors have filed 9 disclosed large-shareholding filings in JCR Pharmaceuticals Co., Ltd. (4552), most recently on 2025-02-20. 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 JCR Pharmaceuticals Co., Ltd. have?: JCR Pharmaceuticals Co., Ltd. has 9 buy-side and 6 sell-side disclosures on record, covering ¥18.8B ($121.6M) in total reported value, spanning 2021-11-24 to 2025-02-20.
Where does StockDrifts get JCR Pharmaceuticals 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 JCR Pharmaceuticals Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.