Quarterly report [Sections 13 or 15(d)]

Capital Stock - BVF Ownership (Details)

v3.25.3
Capital Stock - BVF Ownership (Details) - BVF - Xoma Royalty Corporation - Common Stock
Sep. 30, 2025
Sale of stock  
Ownership interest (as a percent) 21.00%
Ownership interest, if shares are converted (as a percent) 43.90%