Adtran Holdings, Inc. Discloses Major Voting‑Rights Holdings by U.S. Financial Institutions

Adtran Holdings, Inc. (NASDAQ: ADTN) announced that two major U.S. financial institutions—The Goldman Sachs Group, Inc. and Morgan Stanley—have crossed the 3 % voting‑rights threshold in the company’s shares. The disclosures were filed under Article 40, Section 1 of the German Securities Trading Act (WpHG) and were distributed Europe‑wide through the EQS News service on 19 August 2026.

Details of the Notifications

ItemGoldman Sachs Group, Inc.Morgan Stanley
Date of Threshold Crossed14 August 202612 August 2026
Reason for NotificationAcquisition or disposal of shares with voting rightsAcquisition or disposal of shares with voting rights; also a voluntary group notification triggered on the subsidiary level
Legal Entity Identifier (LEI)549300VV36J86CRRWF77549300VV36J86CRRWF77
Registered OfficeWilmington, DE, USAWilmington, DE, USA
Total Position (% of voting rights)(data not provided in the releases)(data not provided in the releases)

The company’s address is 901 Explorer Boulevard, Huntsville, AL 35806, United States.

Context

Adtran Holdings specializes in networking and communication equipment that supports voice, data, video, and internet traffic across various network infrastructures. The company’s market capitalization is approximately USD 705 million, and its share price closed at USD 8.655 on 16 August 2026. The disclosures come at a time when the company’s share price has fluctuated between a 52‑week low of USD 7.11 (17 November 2025) and a 52‑week high of USD 19.98 (26 May 2026). The price‑to‑earnings ratio reported is negative, at –29.48, indicating that the company is operating at a loss.

Implications

While the exact percentages of voting rights held by Goldman Sachs and Morgan Stanley are not disclosed, the filings confirm that both institutions now own a material stake in Adtran Holdings. Such holdings may influence corporate governance decisions and could signal increased institutional confidence in the company’s strategic direction.

Source Information

  • EQS‑PVR (nwr.eqs‑cockpit.com) – Notification of major holdings
  • EQS News (www.eqs‑news.com) – Additional disclosures for Goldman Sachs and Morgan Stanley

The company has stated that it is solely responsible for the content of the announcements and that the information provided is accurate as of the filing dates.