ADTRAN Holdings (ADTN) reported unaudited second-quarter 2026 revenue of $281.1 million, up 6.1% from a year earlier. The company reported a GAAP diluted loss per share of $0.13 and GAAP gross margin of 37.0%.
Chairman and CEO Tom Stanton said demand across end markets remained strong during the quarter, led by Optical Networking Solutions. ADTRAN guided third-quarter revenue to a range of $275.0 million to $295.0 million.
- Second-quarter revenue was $281.1 million, compared with $265.1 million a year earlier.
- GAAP operating margin was negative 3.6%, while non-GAAP operating margin was 3.8%.
- Net cash provided by operating activities was $25.9 million.
- Cash and cash equivalents were $79.2 million at June 30, 2026.
- Revenue from cloud providers, hyperscalers, enterprise and government customers grew 47% year over year, according to the company.
- Third-quarter 2026 revenue is expected between $275.0 million and $295.0 million.
$ADTN Insider Trading Activity
$ADTN insiders have traded $ADTN stock on the open market 1 times in the past 6 months. Of those trades, 0 have been purchases and 1 have been sales.
Here’s a breakdown of recent trading of $ADTN stock by insiders over the last 6 months:
- HOURIGAN RICE JACQUELINE sold 14,406 shares for an estimated $148,237
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
$ADTN Hedge Fund Activity
We have seen 119 institutional investors add shares of $ADTN stock to their portfolio, and 82 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- SHANNON RIVER FUND MANAGEMENT LLC added 1,219,976 shares (+inf%) to their portfolio in Q1 2026, for an estimated $15,347,298
- DIVISAR CAPITAL MANAGEMENT LLC removed 1,216,863 shares (-40.7%) from their portfolio in Q1 2026, for an estimated $15,308,136
- BOSTON PARTNERS added 1,181,314 shares (+inf%) to their portfolio in Q1 2026, for an estimated $14,860,930
- OPHIR ASSET MANAGEMENT PTY LTD removed 1,069,420 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $13,453,303
- TWO SIGMA INVESTMENTS, LP added 1,052,991 shares (+1492.9%) to their portfolio in Q1 2026, for an estimated $13,246,626
- MARSHALL WACE, LLP added 891,520 shares (+inf%) to their portfolio in Q1 2026, for an estimated $11,215,321
- MILLENNIUM MANAGEMENT LLC removed 798,389 shares (-29.6%) from their portfolio in Q1 2026, for an estimated $10,043,733
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.
