Eisai Co., Ltd. (TYO:4523)
Japan flag Japan · Delayed Price · Currency is JPY
4,569.00
-36.00 (-0.78%)
Oct 22, 2025, 3:30 PM JST

Eisai Company Description

Eisai Co., Ltd. engages in the research and development, manufacture, sale, and import and export of pharmaceuticals.

The company offers Dayvigo, an orexin receptor antagonist for the treatment of insomnia; LEQEMBI, a humanized immunoglobulin gamma 1 (IgG1) monoclonal antibody for Alzheimer’s disease; Lenvima, an orally available multiple receptor tyrosine kinase inhibitor for the treatment of thyroid cancer and hepatocellular carcinoma, thymic carcinoma, renal cell carcinoma, and endometrial carcinoma; Fycompa, an anti-epileptic agent for primary generalized tonic-clonic seizures; and Halaven, a microtubule dynamics inhibitor for breast cancer and liposarcoma.

It operates in Japan, China, the Americas, Europe, the Middle East, Africa, and East Asia Global South.

The company was formerly known as Nihon Eisai Co., Ltd. and changed its name to Eisai Co., Ltd. in 1955.

Eisai Co., Ltd. was incorporated in 1941 and is headquartered in Tokyo, Japan.

Eisai Co., Ltd.
CountryJapan
Founded1941
IndustryDrug Manufacturers - Specialty & Generic
SectorHealthcare
Employees10,917
CEOHaruo Naito

Contact Details

Address:
4-6-10 Koishikawa
Tokyo, 112-8088
Japan
Phone81 3 3817 3700
Websiteeisai.co.jp

Stock Details

Ticker Symbol4523
ExchangeTokyo Stock Exchange
Stock TypeCommon Stock
Fiscal YearApril - March
Reporting CurrencyJPY
ISIN NumberJP3160400002
SIC Code2834

Key Executives

NamePosition
Haruo NaitoChief Executive Officer
Mitsuru ShomonChief Financial Officer
Keisuke NaitoChief Operating Officer
Terushige IikeHead of Investor Relations