ADTRAN HOLDING : Warburg Research maintains a Buy rating

ADTRAN Holdings, Inc. is a provider of networking and communications platforms, software, and services focused on the broadband access market. It operates through two segments: Network Solutions segment, which includes hardware and software products, and Services & Support segment, which includes a portfolio of network design and implementation services, support services and cloud-hosted software-as-a-service (SaaS) applications. The two segments span across Subscriber Solutions, Access & Aggregation Solutions, and Optical Networking Solutions. Its Subscriber Solutions portfolio is used by service providers to terminate their access services infrastructure at the customer's premises. Access & Aggregation Solutions are solutions that are used by communications service providers to connect subscribers. Optical Networking Solutions are used by communications service providers, Internet content providers and large enterprises to securely interconnect metro and regional networks over fiber.