Our subsidiaries

Sosei R&D Ltd.

Capital JPY 182,737,452
Scope of business Licensing and business development outside Japan
Representative Director Shinichi Tamura
Holding company stake 100%
Address 2nd Floor, London BioScience Innovation Centre
2 Royal College Street London NW1 0NH, United Kingdom (map)
Tel: +44-(0)20-7691-2081
Fax: +44-(0)20-7209-2484

Heptares Therapeutics Ltd.

Capital JPY 45,525,238
Scope of business Drug discovery based on targeting of G protein-coupled receptors
Representative Director, CEO Malcolm Weir, CEO
Holding company stake 100%
Address BioPark, Broadwater Road, Welwyn Garden City, Hertfordshire, AL7 3AX, UK (map)
URL www.heptares.com

Activus Pharma Co., Ltd.

Capital JPY 97,800,000
Scope of business Drug development based on nanotechnology (APNT)
Representative Director Tadayoshi Yasui
Holding company stake 100%
Address 1-17-25 Kita-honcho, Funabashi-shi, Chiba 273-0864 Japan

Jitsubo Co. Ltd.

Capital JPY 153,878,275
Scope of business Development of peptide drugs, licensing of peptide API manufacturing technology
Representative Director Yusuke Kohno
Holding company stake 43.7%
Address 2-24-16 Nakacho, Koganei, Tokyo 184-0012, Japan
URL www.jitsubo.com/en/

Sosei Co. Ltd.

Capital JPY 250,000,000
Scope of business Drug development and sales, business development in Japan
Representative Director Tadayoshi Yasui
Holding company stake 100% (voting rights)
Address Kojimachi Tsuruya Hachiman Bldg. 5F
2-4 Kojimachi, Chiyoda-ku
Tokyo 102-0083 Japan (map)
Tel: +81-(0)3-5210-3290 (general enquiries)
Fax: +81-(0)3-5210-3291

Sosei CVC Ltd.

Capital JPY 10,000,000
Scope of business Managing Sosei RMF1 (Regenerative Medicine Fund)
Representative Director Hidetoshi Torami
Holding company stake 90%
Address Kojimachi Tsuruya Hachiman Bldg. 5F
2-4 Kojimachi, Chiyoda-ku
Tokyo 102-0083 Japan (map)
Tel: +81-(0)3-5210-3290 (general enquiries)
Fax: +81-(0)3-5210-3291