| Shareholder Structure ADTRAN Holdings Inc. |
| As of 30 April, 2026 |
| Total amount of shares outstanding |
80,971,042 |
| Shareholder |
% of voting rights attached to shares |
% of voting rights through instruments |
Total |
Date |
| Goldman Sachs |
0.82% |
9.19% |
10.01% |
23-Apr-26 |
| Blackrock |
6.95% |
4.68% |
11.63% |
23-Apr-26 |
| Morgan Stanley |
2.51% |
8.58% |
11.09% |
17-Apr-26 |
| Vanguard |
4.74% |
0.00% |
4.74% |
21-Mar-24 |
| Free Float |
|
|
62.53% |
|
Please note that the percentage of voting rights and instruments is derived from the relevant voting right notification and has been calculated on the basis of ADTRAN’s total number of voting rights (as published pursuant to Section 41 WpHG) as of the date of the relevant shareholder notification.