Ultragenyx Sells 25% of Crysvita Royalties to OMERS Life Sciences for $400 Million

Tuesday, Nov 4, 2025 4:55 pm ET1min read

Ultragenyx Pharmaceutical has sold a 25% royalty interest in Crysvita (burosumab) to OMERS Life Sciences for $400 million. The deal pertains to future sales in the US and Canada. This transaction allows OMERS Life Sciences to benefit from the royalties while Ultragenyx retains ownership of the drug.

Ultragenyx Sells 25% of Crysvita Royalties to OMERS Life Sciences for $400 Million

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