Who has been buying Taisho Pharmaceutical Holdings Co., Ltd. stock?

12 distinct investors have filed 6 disclosed large-shareholding filings in Taisho Pharmaceutical Holdings Co., Ltd. (4581), most recently on 2024-01-29. 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 Taisho Pharmaceutical Holdings Co., Ltd. have?

Taisho Pharmaceutical Holdings Co., Ltd. has 6 buy-side and 8 sell-side disclosures on record, covering ¥525.2B ($3.4B) in total reported value, spanning 2023-11-30 to 2024-01-29.

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.

Taisho Pharmaceutical Holdings Co., Ltd. 4581

Company

大正製薬ホールディングス株式会社Taisho Pharmaceutical Holdings Co., Ltd.

Investors

Buys

Total Value

¥525.2B ($3.4B)

Avg Return

-0.84%

Last Filing

2024-01-29

Taisho Pharmaceutical Holdings Co., Ltd. (4581) has 6 disclosed large-shareholding filings and 8 disclosed disposals on record, filed by 12 distinct investors. Together those filings cover ¥525.2B ($3.4B) in reported transaction value. The earliest filing StockDrifts holds for Taisho Pharmaceutical Holdings Co., Ltd. is dated 2023-11-30; the most recent is 2024-01-29. Across these filings the average return since disclosure is -0.84%, 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
2024-01-29	SELL	unknown	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	unknown	0	¥8,623	+0.5%	¥244M ($1.6M)
2024-01-29	BUY	unknown	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	68.2K	¥8,623	-0.5%	¥421M ($2.7M)
2024-01-29	BUY	unknown	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	275.7K	¥8,623	-0.5%	¥1.2B ($7.6M)
2024-01-22	BUY	subscription	大手門株式会社 Otemon Co., Ltd.	activist	60.0M	¥8,606	-0.3%	¥516.7B ($3.3B)
2024-01-22	BUY	unknown	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	112.0K	¥8,606	-	¥964M ($6.2M)
2024-01-22	SELL	unknown	三井住友ファイナンス&リース株式会社 Sumitomo Mitsui Finance & Lease Co., Ltd.	other	0	¥8,606	+0.3%	¥5.1B ($32.6M)
2024-01-22	SELL	unknown	株式会社日本総合研究所 Japan Research Institute Co., Ltd.	other	0	¥8,606	+0.3%	¥3.9B ($25.1M)
2024-01-22	SELL	unknown	三井住友カード株式会社 Sumitomo Mitsui Card Co., Ltd.	other	0	¥8,606	+0.3%	¥4.5B ($28.8M)
2024-01-22	SELL	unknown	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	0	¥8,606	+0.3%	¥244M ($1.6M)
2024-01-17	SELL	subscription	上原昭二 Shoji Uehara	other	0	¥8,602	+0.3%	¥66.1B ($426.2M)
2024-01-17	SELL	subscription	公益財団法人上原記念生命科学財団 The Uehara Memorial Foundation	unknown	0	¥8,602	+0.3%	¥129.0B ($832.5M)
2024-01-17	SELL	subscription	上原ちゑ Chie Uehara	other	0	¥8,602	+0.3%	¥131.8B ($850.5M)
2023-11-30	BUY	subscription	上原ちゑ Chie Uehara	other	150.6K	¥8,689	-1.3%	¥74M ($477K)
2023-11-30	BUY	subscription	上原昭二 Shoji Uehara	other	7.7M	¥8,689	-1.3%	¥2.1B ($13.4M)
2023-11-30	BUY	subscription	公益財団法人上原記念生命科学財団 The Uehara Memorial Foundation	other	15.0M	¥8,689	-1.3%	¥7.2B ($46.8M)

Frequently asked questions

Who has been buying Taisho Pharmaceutical Holdings Co., Ltd. stock?: 12 distinct investors have filed 6 disclosed large-shareholding filings in Taisho Pharmaceutical Holdings Co., Ltd. (4581), most recently on 2024-01-29. 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 Taisho Pharmaceutical Holdings Co., Ltd. have?: Taisho Pharmaceutical Holdings Co., Ltd. has 6 buy-side and 8 sell-side disclosures on record, covering ¥525.2B ($3.4B) in total reported value, spanning 2023-11-30 to 2024-01-29.
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.