DNB Asset Management Increases ADTRAN Holdings Stake by 6.4%

Institutional investor adds 174,354 shares of communications equipment provider in Q3

Published on Feb. 28, 2026

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DNB Asset Management AS, a Norwegian asset management firm, increased its holdings in ADTRAN Holdings, Inc. (NASDAQ:ADTN) by 6.4% in the third quarter, according to a recent SEC filing. The firm now owns 2,903,869 shares of the communications equipment provider's stock, worth approximately $27.2 million.

Why it matters

ADTRAN is a key player in the broadband access equipment market, providing networking solutions to service providers, enterprises, and government organizations. DNB Asset Management's increased stake suggests the firm sees long-term growth potential in ADTRAN's business.

The details

According to the 13F filing, DNB Asset Management acquired an additional 174,354 shares of ADTRAN during the third quarter, bringing its total ownership to approximately 3.62% of the company's outstanding shares. The move comes as ADTRAN reported better-than-expected fourth quarter results, with revenue up 20% year-over-year and improved profitability metrics.

  • DNB Asset Management filed its 13F report for the third quarter on February 28, 2026.
  • ADTRAN reported its fourth quarter 2025 earnings on February 25, 2026.

The players

DNB Asset Management AS

A Norwegian asset management firm that oversees over $100 billion in assets.

ADTRAN Holdings, Inc.

An American communications equipment provider that specializes in broadband access solutions for service providers, enterprises, and government organizations.

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What they’re saying

“We must continue to monitor ADTRAN's performance and market conditions closely, as the company's profitability and growth outlook remain uncertain amid broader macroeconomic risks.”

— Analyst (Zacks)

What’s next

Investors will be watching ADTRAN's execution and any further updates on the company's 2026 priorities and product-level demand trends when it reports its first quarter results.

The takeaway

DNB Asset Management's increased stake in ADTRAN suggests the firm sees long-term potential in the company's broadband access equipment business, despite near-term profitability and macroeconomic concerns. ADTRAN's ability to navigate industry challenges and capitalize on growth opportunities in areas like cloud, fiber, and AI will be key to maintaining investor confidence.