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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
12
Buys
6
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. 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 -0.84%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2024-01-29BUYunknown
三菱UFJアセットマネジメント株式会社
Mitsubishi UFJ Financial Group Inc.
passive275.7K¥8,623-0.5%¥1.2B ($7.6M)
2024-01-29BUYunknown
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
passive68.2K¥8,623-0.5%¥421M ($2.7M)
2024-01-29SELLunknown
株式会社三菱UFJ銀行
Mitsubishi UFJ Financial Group Inc.
unknown0¥8,623+0.5%¥244M ($1.6M)
2024-01-22SELLunknown
三井住友カード 株式会社
Sumitomo Mitsui Card Co., Ltd.
other0¥8,606+0.3%¥4.5B ($28.8M)
2024-01-22SELLunknown
株式会社 日本総合研究所
Japan Research Institute Co., Ltd.
other0¥8,606+0.3%¥3.9B ($25.1M)
2024-01-22SELLunknown
三井住友ファイナンス&リース 株式会社
Sumitomo Mitsui Finance & Lease Co., Ltd.
other0¥8,606+0.3%¥5.1B ($32.6M)
2024-01-22BUYunknown
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
passive112.0K¥8,606-0.3%¥964M ($6.2M)
2024-01-22SELLunknown
株式会社 三井住友銀行
Sumitomo Mitsui Banking Corporation
other0¥8,606+0.3%¥244M ($1.6M)
2024-01-22BUYsubscription
大手門株式会社
Otemon Co., Ltd.
activist60.0M¥8,606-0.3%¥516.7B ($3.3B)
2024-01-17SELLsubscription
上原 ちゑ
Chie Uehara
other0¥8,602+0.3%¥131.8B ($850.5M)
2024-01-17SELLsubscription
公益財団法人上原記念生命科学財団
The Uehara Memorial Foundation
unknown0¥8,602+0.3%¥129.0B ($832.5M)
2024-01-17SELLsubscription
上原 昭二
Shoji Uehara
other0¥8,602+0.3%¥66.1B ($426.2M)
2023-11-30BUYsubscription
上原 ちゑ
Chie Uehara
other150.6K¥8,689-1.3%¥74M ($477K)
2023-11-30BUYsubscription
公益財団法人上原記念生命科学財団
The Uehara Memorial Foundation
other15.0M¥8,689-1.3%¥7.2B ($46.8M)
2023-11-30BUYsubscription
上原 昭二
Shoji Uehara
other7.7M¥8,689-1.3%¥2.1B ($13.4M)

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.
Where does StockDrifts get Taisho Pharmaceutical Holdings 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 Taisho Pharmaceutical Holdings Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.