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M&A News/Deals 2026/Healthcare

Shionogi to buy IntraBio for about $2bn

Japanese drugmaker Shionogi is buying US rare-disease specialist IntraBio for about $2bn.

M&A News deals deskHealthcare / Pharma · Japan / US5 Oct 2026

Japan's Shionogi agreed on Oct 5 to acquire US rare-disease drugmaker IntraBio for about $2bn, gaining global rights to Aqneursa.

IntraBio website: intrabio.com

Regulatory approvals and timing

Closing is expected between November and December after antitrust waiting periods.

Market context

Japanese drugmakers continue to buy US assets to offset domestic price pressures.

Sources