Eisai stock rises 3.75 percent, 7.15 percent below its yearly high

Published on 10/15/2026 at 22:04 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

Eisai's P/E is 32.43 on October 15, 2026. Eisai stock costs EUR 27.68 on October 15, 2026, up 3.75 percent on Tokyo.

Valuation and regulatory dates

Japan approved LEQEMBI Pen for early Alzheimer's disease on September 16, 2026.
Eisai's price-to-earnings ratio was 32.43 on October 15, 2026.
Eisai stock costs EUR 27.68 at Lang & Schwarz on October 15, 2026 at 9:59 p.m. CEST, up 3.75 percent on the Tokyo Stock Exchange.

Eisai, JP3160400002, Illustration mit AI erstellt.

Eisai stock (ISIN JP3160400002) rose 3.75 percent on the Tokyo Stock Exchange on October 15, 2026, while its 52-week range remained JPY 3,660.00 to JPY 5,243.00. The stock was trading at EUR 27.68 at Lang & Schwarz on October 15, 2026 at 9:59 p.m. CEST.

Range leaves room below the high

Eisai's Tokyo price reached JPY 4,868.00, up from a prior close of JPY 4,692.00. The gain leaves the stock 7.15 percent below its 52-week high and 32.99 percent above its 52-week low. Trading volume was 2,126,800 shares against an average of 1,367,554 shares on October 15, 2026.

Valuation remains the key measure

Eisai's market capitalization was JPY 1.4 trillion on October 15, 2026. Its price-to-earnings ratio was 32.43, while the dividend yield was 0.03 percent. Those figures put the stock's valuation clearly above the two Japanese pharmaceutical peers used in the comparison below, although the businesses have different product mixes.

Regulatory progress supports the pipeline

On September 16, 2026, Eisai said Japan had approved the LEQEMBI Pen subcutaneous formulation for early Alzheimer's disease. The product uses a 500 milligram once-weekly dose, adding an at-home administration option to the existing treatment pathway.

Comparison with peers

Eisai (Tokyo Stock Exchange, JPY): plus 3.75 percent, P/E 32.43, market capitalization JPY 1.4 trillion
Astellas Pharma (Tokyo Stock Exchange, JPY): plus 4.15 percent, P/E 11.60, market capitalization JPY 4.2 trillion
Shionogi (Tokyo Stock Exchange, JPY): plus 3.76 percent, P/E 9.35, market capitalization JPY 2.5 trillion

Price and investor perspective

The price sits below Eisai's annual high despite the stronger October 15 session in Tokyo. At Lang & Schwarz, the stock was trading at EUR 27.68 on October 15, 2026 at 9:59 p.m. CEST, up 3.75 percent on the Tokyo Stock Exchange versus the prior close.