Who has been buying Taiko Pharmaceutical Co.,Ltd. stock?

8 distinct investors have filed 21 disclosed large-shareholding filings in Taiko Pharmaceutical Co.,Ltd. (4574), most recently on 2023-10-20. 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 Taiko Pharmaceutical Co.,Ltd. have?

Taiko Pharmaceutical Co.,Ltd. has 21 buy-side and 16 sell-side disclosures on record, covering ¥7.9B ($50.7M) in total reported value, spanning 2021-04-21 to 2023-10-20.

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.

Taiko Pharmaceutical Co.,Ltd. 4574

Company

大幸薬品株式会社Taiko Pharmaceutical Co.,Ltd.

Investors

Buys

Total Value

¥7.9B ($50.7M)

Avg Return

-39.84%

Last Filing

2023-10-20

Taiko Pharmaceutical Co.,Ltd. (4574) has 21 disclosed large-shareholding filings and 16 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥7.9B ($50.7M) in reported transaction value. The earliest filing StockDrifts holds for Taiko Pharmaceutical Co.,Ltd. is dated 2021-04-21; the most recent is 2023-10-20. Across these filings the average return since disclosure is -39.84%, 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
2023-10-20	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	699.7K	¥328	+21.0%	¥250M ($1.6M)
2023-10-20	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.1M	¥328	-21.0%	¥5M ($32K)
2023-10-20	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	207.0K	¥328	-21.0%	¥28M ($181K)
2023-08-22	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	1.5M	¥328	-21.0%	¥463M ($3.0M)
2023-08-22	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	117.4K	¥328	-21.0%	¥3M ($21K)
2023-08-22	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.1M	¥328	-21.0%	¥106M ($683K)
2023-08-17	BUY	negotiated	キングワールドメディスンズヘルスマネジメントリミテッド Kingworld Medicines Health Management Limited	strategic	3.2M	¥338	-	¥1.1B ($6.9M)
2023-08-17	BUY	negotiated	キングワールドメディスンズヘルスマネジメントリミテッド Kingworld Medicines Health Management Limited	strategic	3.2M	¥338	-	¥1.1B ($6.9M)
2023-08-17	BUY	acquisition	キングワールドメディスンズヘルスマネジメントリミテッド Kingworld Medicines Health Management Limited	strategic	3.2M	¥338	-23.4%	¥1.1B ($6.9M)
2023-07-06	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	758.9K	¥346	+25.1%	¥113M ($732K)
2023-07-06	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	2.8M	¥346	+25.1%	¥227M ($1.5M)
2023-07-06	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	105.3K	¥346	+25.1%	¥18M ($118K)
2023-06-09	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	3.5M	¥385	+32.7%	¥201M ($1.3M)
2023-06-09	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	158.2K	¥385	+32.7%	¥122M ($790K)
2023-06-09	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	unknown	0	¥385	-	-
2023-06-09	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.1M	¥385	+32.7%	¥16M ($106K)
2023-05-29	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	4.1M	¥374	+30.8%	¥213M ($1.4M)
2023-05-29	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	5.7K	¥374	-30.8%	¥176M ($1.1M)
2023-05-29	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥374	-	-
2023-05-29	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.1M	¥374	-	-
2023-04-28	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	4.7M	¥383	-32.4%	¥1.6B ($10.5M)
2023-04-28	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥383	-	-
2023-04-28	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.1M	¥383	+32.4%	¥21M ($138K)
2023-04-28	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	-400	¥383	-22.2%	-
2023-04-26	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	6.9M	¥378	+31.5%	¥94M ($608K)
2023-04-26	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥378	-	-
2023-04-26	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.1M	¥378	-	-
2023-04-26	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	-1.8K	¥378	+21.2%	¥118M ($759K)
2023-03-28	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	7.1M	¥374	-30.8%	¥2.7B ($17.3M)
2023-03-28	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	310.9K	¥374	-30.8%	¥116M ($750K)
2023-03-28	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥374	-30.8%	-
2023-03-28	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.1M	¥374	-30.8%	¥406M ($2.6M)
2022-10-28	SELL	unknown	アース製薬株式会社 EARTH CORPORATION	strategic	2.1M	¥553	+53.2%	¥244M ($1.6M)
2021-09-13	BUY	Market Buy	韓保維 Han Paulwell	passive	3.3M	¥984	-73.7%	¥437M ($2.8M)
2021-07-21	SELL	unknown	サイノーリッチーズリミテッド(SINO RICHES LIMITED) SINO RICHES LIMITED	strategic	2.1M	¥1,015	+74.5%	¥464M ($3.0M)
2021-07-21	SELL	unknown	サイノーリッチーズリミテッド(SINO RICHES LIMITED) SINO RICHES LIMITED	strategic	2.5M	¥1,015	+74.5%	¥598M ($3.9M)
2021-07-21	SELL	unknown	サイノーリッチーズリミテッド(SINO RICHES LIMITED) SINO RICHES LIMITED	strategic	3.1M	¥1,015	+74.5%	¥491M ($3.2M)
2021-07-13	BUY	Market Buy	韓保維 Han Paulwell	passive	2.9M	¥978	-73.5%	¥461M ($3.0M)
2021-06-03	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	552.6K	¥1,048	-75.3%	¥586M ($3.8M)
2021-06-03	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	658.8K	¥1,048	+75.3%	¥812M ($5.2M)
2021-06-03	BUY	Market Buy	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥1,048	-	-
2021-06-03	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	880.5K	¥1,048	-75.3%	¥23M ($149K)
2021-05-18	BUY	Market Buy	韓保維 Han Paulwell	passive	2.4M	¥1,087	-	¥2.6B ($17.0M)
2021-05-18	BUY	Market Buy	韓保維 Han Paulwell	passive	2.4M	¥1,087	-76.2%	¥2.6B ($17.0M)
2021-04-21	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	-4.6K	¥1,196	-75.1%	-
2021-04-21	BUY	unknown	ノムラセキュリテーズインターナショナル NOMURA SECURITIES INTERNATIONAL,Inc.	other	0	¥1,196	-78.3%	-
2021-04-21	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	1.4M	¥1,196	-78.3%	¥1.7B ($11.1M)
2021-04-21	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	857.3K	¥1,196	-78.3%	¥1.0B ($6.6M)

Frequently asked questions

Who has been buying Taiko Pharmaceutical Co.,Ltd. stock?: 8 distinct investors have filed 21 disclosed large-shareholding filings in Taiko Pharmaceutical Co.,Ltd. (4574), most recently on 2023-10-20. 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 Taiko Pharmaceutical Co.,Ltd. have?: Taiko Pharmaceutical Co.,Ltd. has 21 buy-side and 16 sell-side disclosures on record, covering ¥7.9B ($50.7M) in total reported value, spanning 2021-04-21 to 2023-10-20.
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.