Skip to main content
Otsuka Holdings Co., Ltd. logo

Otsuka Holdings Co., Ltd. — Investor Relations & Filings

Ticker · 4578 ISIN · JP3188220002 T Manufacturing
Open in API
Filings indexed 85 across all filing types
Latest filing 2026-05-13 Transaction in Own Shar…
Country JP Japan
Listing T 4578

About Otsuka Holdings Co., Ltd.

https://www.otsuka.co.jp/en/

Otsuka Holdings Co., Ltd. is a global healthcare company dedicated to creating innovative products for better health worldwide. The company operates through two core segments: a Pharmaceutical business and a Nutraceutical business. The Pharmaceutical division focuses on the research, development, and commercialization of treatments for diseases, with key areas including central nervous system disorders, oncology, cardiovascular diseases, and infectious diseases. The Nutraceutical division provides products based on scientific evidence to support daily health maintenance and improvement. This segment includes a wide range of functional foods, nutritional supplements, functional beverages, and cosmeceuticals, with well-known brands such as POCARI SWEAT, Calorie Mate, and Nature Made.

Recent filings

Filing Released Lang Actions
自己株券買付状況報告書（法２４条の６第１項に基づくもの）
Transaction in Own Shares Classification · 94% confidence The document is a “自己株券買付状況報告書” filed under Financial Instruments and Exchange Act Article 24-6, paragraph 1, detailing the company’s acquisition of its own shares (dates, quantities, amounts) and any dispositions. This matches precisely the category for reports on the company buying back or disposing of its own shares. Therefore, the correct classification is Transaction in Own Shares (POS).
2026-05-13 Japanese
自己株券買付状況報告書（法２４条の６第１項に基づくもの）
Transaction in Own Shares Classification · 95% confidence The document is a Japanese statutory report under Financial Instruments and Exchange Act Article 24-6 (self-share acquisition report), detailing the status of treasury share repurchases (dates, share counts, amounts). This matches the definition of a Transaction in Own Shares (share buybacks). Therefore, it should be classified as POS.
2026-04-08 Japanese
訂正発行登録書
Capital/Financing Update Classification · 75% confidence The document is a Japanese "訂正発行登録書" (Corrected Registration Statement) filed with the Kanto Finance Bureau for a bond issuance by Otsuka Holdings. It provides detailed terms of a debt financing (registration number, issue size, effective dates, reason for correction, etc.). This is not a simple announcement of a dividend or corporate action, nor is it an annual or interim report. Instead, it relates directly to the company’s financing activity (bond issuance), matching the definition of a Capital/Financing Update (CAP).
2026-03-31 Japanese
訂正発行登録書
Capital/Financing Update Classification · 83% confidence The document is a correction to a bond issuance registration statement (“訂正発行登録書”) filed with the Kanto Local Finance Bureau, detailing amounts, registration numbers, effective dates, and the purpose of correcting the prior registration. It relates directly to the company’s fundraising activity (issuing corporate bonds). This is not an earnings or annual report, nor a share issue. It is a capital/financing update concerning debt issuance, so it best fits the Capital/Financing Update category.
2026-03-27 Japanese
確認書
Regulatory Filings Classification · 100% confidence The document is a 'Confirmation Letter' (確認書) filed under the Financial Instruments and Exchange Act, Article 24-4-2, Paragraph 1. It serves as an officer certification regarding the accuracy of the company's Annual Securities Report (有価証券報告書). According to the 'CERTIFICATION RULE', documents that are primarily officer certifications or attestations, even if they reference a report, should be classified as Regulatory Filings (RNS) rather than the report itself. FY 2025
2026-03-26 Japanese
有価証券報告書－第18期(2025/01/01－2025/12/31)
Annual Report Classification · 100% confidence The document is a Japanese 'Yuuka Shouken Houkokusho' (Securities Report), which is the standard annual financial filing required by the Financial Services Agency of Japan under the Financial Instruments and Exchange Act. It contains comprehensive financial statements, business descriptions, and governance information for the fiscal year ending December 31, 2025. This corresponds to the '10-K' category in the provided schema, as it is the official annual report of the company. FY 2025
2026-03-26 Japanese

Browse filings by year

12 years

Report missing filing

Can't find a specific document? Let us know and we'll add it within 24 hours.

We will notify you once the filing is added.
Report sent
Thank you. We will check the data and update it shortly.