ADTRAN Holdings, Inc. (ADTN:NASDAQ) closed at $6.43 on October 23, 2026, down 0.31% on the day. The stock trades 67.8% below its 52-week high of $19.98 and 2.2% above its 52-week low of $6.29. Over the past year, it lost 36.1%. ADTRAN Holdings, Inc. is part of the Public Utilities sector (Telecommunications Equipment).
In 252 trading sessions since October 23, 2025, ADTN closed higher on 130 days (52%). Its best day was May 27, 2026 (+17.65%) and its worst was November 4, 2025 (-24.16%). The stock moved 10% or more in a single session 7 times.
ADTRAN, Inc. provides networking and communications equipment worldwide. The company operates through two segments, Network Solutions and Services & Support. It offers access and aggregation solutions, including fiber to the premises and fiber to the node (FTTN) multi-service access nodes (MSAN); fiber aggregation and FTTN MSAN; fiber to the distribution point optical network units; optical line terminals; fiber access network elements; optical networking edge aggregation; and IP digital subscriber line access multiplexers. The company's access and aggregation solutions also comprise cabinet and outside-plant enclosures and services; network management and cloud-based software platforms and applications; pluggable optical transceivers, cables, and other miscellaneous materials; and other products and services. In addition, it provides customer devices comprising broadband customer premise solutions, such as passive optical network and point-to-point Ethernet optical network terminals; radio frequency over glass micro nodes; residential and business gateways; Wi-Fi access points and related powering and switching infrastructure; enterprise session border controllers; carrier Etherne...
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