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ADTN

ADTRAN Holdings, Inc.

ADTRAN Holdings, Inc. (ADTN) has a dated report snapshot, but its current priced-in claim is temporarily suppressed because the live engine record is unavailable or has changed.

Live priced in
temporarily suppressed
Priced In
within-range

Key Takeaways

ADTRAN trades at roughly 1.2x revenue, a multiple so low the price sits below what even a 5% annual revenue decline would warrant. The catch is that the company is barely profitable on a GAAP basis, so the price is read against sales, and it underwrites a recovery to about a 15% operating margin from today's near-breakeven level. The top line has turned: Q1 2026 revenue rose 15.5% to $286M, with optical networking up 24%, and non-GAAP operating margin reached 6.9% versus 3.9% a year earlier. Th

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Institutional ownership

216 institutional managers reported holding ADTN in 13F filings for the quarter ended 2026-03-31. 42 opened new positions that quarter. Held by Vanguard Group, BlackRock, Royce & Associates, among others. On the short side, 12.0M shares were sold short as of the 2026-06-15 count, about 15% of shares outstanding (4.5 days of typical volume to cover).

Quarterly 13F filings arrive up to 45 days after quarter end, so the picture is never current (filed through 2026-05-29). Nothing here is investment advice.

Capital returns

ADTN's share count grew 65.8% over the past five years. It pays no dividend.

Share counts are split-adjusted; repurchase totals are gross of share issuance. Nothing here is investment advice.

Insider activity

Open-market insider buys at ADTN over the trailing three years: 2025: 3 buys totaling $450k. 11 officers and directors are on file.

Code P open-market purchases from SEC Form 4 filings, non-derivative, excluding scheduled 10b5-1 plans. Nothing here is investment advice.

Earnings reactions

ADTN's recent reports: the day-one move, then what the following quarter actually did.

reportday onenext quarter
2023-05-11-0.3%+32.0%
2023-08-15+6.6%-8.0%
2023-11-10-28.1%+31.3%
2024-03-16+1.8%-4.9%

Day-one is the close-to-close move around the filing. Nothing here is investment advice.

Recent filings

ADTN's latest 8-K filings: 2026-06-26 (items 5.02, 8.01, 9.01); 2026-05-18 (items 5.03, 5.07, 9.01); 2026-05-05 (items 2.02, 7.01, 9.01); 2026-04-07 (items 5.02, 9.01); 2026-02-26 (items 2.02, 7.01, 9.01).

Item codes are the SEC's own classification of what each report discloses. Nothing here is investment advice.

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Last analyzed: June 27, 2026

For informational and research purposes only. Not investment advice. Not a recommendation to buy, sell, or hold any security. boothcheck is not a registered investment adviser. Past performance does not guarantee future results.