Who has been buying Nichi-Iko Pharmaceutical Co., Ltd. stock?

5 distinct investors have filed 6 disclosed large-shareholding filings in Nichi-Iko Pharmaceutical Co., Ltd. (4541), most recently on 2023-04-03. 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 Nichi-Iko Pharmaceutical Co., Ltd. have?

Nichi-Iko Pharmaceutical Co., Ltd. has 6 buy-side and 3 sell-side disclosures on record, covering ¥16.9B ($109.0M) in total reported value, spanning 2021-05-06 to 2023-04-03.

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.

Nichi-Iko Pharmaceutical Co., Ltd. 4541

Company

日医工株式会社Nichi-Iko Pharmaceutical Co., Ltd.

Investors

Buys

Total Value

¥16.9B ($109.0M)

Avg Return

+25.72%

Last Filing

2023-04-03

Nichi-Iko Pharmaceutical Co., Ltd. (4541) has 6 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥16.9B ($109.0M) in reported transaction value. The earliest filing StockDrifts holds for Nichi-Iko Pharmaceutical Co., Ltd. is dated 2021-05-06; the most recent is 2023-04-03. Across these filings the average return since disclosure is +25.72%, 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
2023-04-03	BUY	negotiated	田村友一 Yuichi Tamura	activist	1.8M	¥26.79	+30.6%	¥42M ($274K)
2023-04-03	BUY	negotiated	株式会社TAMURA TAMURA Co., Ltd.	other	4.6M	¥26.79	+30.6%	¥111M ($714K)
2023-04-03	BUY	negotiated	株式会社拓 Taku Co., Ltd.	corporate	2.1M	¥26.79	+30.6%	¥51M ($329K)
2023-03-10	BUY	acquisition	合同会社ジェイ・エス・ディー godo kaisha jsd	corporate	633.5M	¥26.26	+33.3%	¥16.6B ($107.3M)
2023-03-10	BUY	acquisition	合同会社ジェイ・エス・ディー godo kaisha jsd	corporate	633.5M	¥26.26	-	¥16.6B ($107.3M)
2021-12-16	BUY	negotiated	株式会社TAMURA TAMURA Co., Ltd.	other	4.6M	¥28.15	-	-
2021-12-16	BUY	negotiated	田村友一 Yuichi Tamura	activist	1.8M	¥28.15	-	-
2021-12-16	BUY	negotiated	株式会社拓 Taku Co., Ltd.	corporate	2.1M	¥28.15	-	-
2021-09-30	SELL	negotiated	田村友一 Yuichi Tamura	activist	1.8M	¥30.67	-14.1%	¥5M ($34K)
2021-09-30	SELL	negotiated	株式会社TAMURA TAMURA Co., Ltd.	other	4.6M	¥30.67	-14.1%	¥13M ($85K)
2021-09-30	SELL	negotiated	株式会社拓 Taku Co., Ltd.	corporate	2.1M	¥30.67	-14.1%	¥6M ($41K)
2021-09-02	BUY	unknown	株式会社メディパルホールディングス MEDIPAL HOLDINGS CORPORATION	strategic	7.0M	¥30.46	+14.9%	¥212M ($1.4M)
2021-05-06	BUY	negotiated	田村友一 Yuichi Tamura	activist	1.8M	¥30.66	-	-
2021-05-06	BUY	negotiated	株式会社TAMURA TAMURA Co., Ltd.	other	4.6M	¥30.66	+14.2%	¥400K ($3K)
2021-05-06	BUY	negotiated	株式会社拓 Taku Co., Ltd.	corporate	2.1M	¥30.66	-	-

Frequently asked questions

Who has been buying Nichi-Iko Pharmaceutical Co., Ltd. stock?: 5 distinct investors have filed 6 disclosed large-shareholding filings in Nichi-Iko Pharmaceutical Co., Ltd. (4541), most recently on 2023-04-03. 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 Nichi-Iko Pharmaceutical Co., Ltd. have?: Nichi-Iko Pharmaceutical Co., Ltd. has 6 buy-side and 3 sell-side disclosures on record, covering ¥16.9B ($109.0M) in total reported value, spanning 2021-05-06 to 2023-04-03.
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.