v3.26.1
Net Loss Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Numerator:        
Net loss attributable to Xencor, Inc. $ (21,729) $ (30,825) $ (150,645) $ (79,243)
Denominator:        
Weighted-average basic shares outstanding (in shares) 75,859,000 74,279,000 75,555,000 73,975,000
Effect of dilutive securities (in shares) 0 0 0 0
Weighted-average diluted shares outstanding (in shares) 75,859,000 74,279,000 75,555,000 73,975,000
Basic net loss per share (in dollars per share) $ (0.29) $ (0.41) $ (1.99) $ (1.07)
Diluted net loss per share (in dollars per share) $ (0.29) $ (0.41) $ (1.99) $ (1.07)