BlackRock increases total voting rights in ADTRAN to 11.99% from 11.31%
BLK•BlackRock increased its total voting rights in ADTRAN Holdings to 11.99% from 11.31%, effective November 6, 2026. Voting rights attached to shares rose to 8.83% from 8.57%, while rights through instruments increased to 3.15% from 2.74%.




