Adtran Holdings, Inc. (ADTN)
Nasdaq · Telephone & Telegraph Apparatus · Manufacturing · CIK 926282 · fiscal year ends in Dec
Closing price $6.93 on 29 Oct 2026; 52-week range $6.31 to $19.40.
Key figures
The last twelve months reported, with the latest price and balance sheet.
- Revenue, last twelve months
- $1.1B
- Revenue growth
- 15.7%
- Gross margin
- 38.5%
- Market value
- $563.1M
- Cash
- $79.2M
- Debt
- $218.8M
- Debt to equity
- 1.69
- Shares outstanding
- 81.2M
Financial statements
Revenue, profit and cash flow by fiscal year, each year linked to its annual report.
| Fiscal year | Year end | Revenue | Operating income | Net income | EPS | Free cash flow | Filing |
|---|---|---|---|---|---|---|---|
| FY2025 | 31 Dec 2025 | $1.1B | -$15.6M | -$45.7M | -$0.52 | $98.0M | 10-K filed 26 Feb 2026 |
| FY2024 | 31 Dec 2024 | $922.7M | -$427.6M | -$459.9M | -$5.79 | $69.1M | 10-K filed 3 Mar 2025 |
| FY2023 | 31 Dec 2023 | $1.1B | -$223.7M | -$268.9M | -$3.43 | -$79.4M | 10-K filed 15 Mar 2024 |
| FY2022 | 31 Dec 2022 | $1.0B | -$72.8M | -$2.0M | -$0.03 | -$61.3M | 10-K filed 1 Mar 2023 |
| FY2021 | 31 Dec 2021 | $563.0M | -$14.7M | -$8.6M | -$0.18 | -$2.7M | 10-K filed 25 Feb 2022 |
By quarter
| Quarter | Quarter end | Revenue | Net income | EPS |
|---|---|---|---|---|
| Q2 FY2026 | 30 Jun 2026 | $281.1M | -$10.9M | -$0.13 |
| Q1 FY2026 | 31 Mar 2026 | $286.1M | -$1.3M | -$0.01 |
| Q4 FY2025 | 31 Dec 2025 | $291.6M | – | – |
| Q3 FY2025 | 30 Sep 2025 | $279.4M | -$10.3M | -$0.12 |
| Q2 FY2025 | 30 Jun 2025 | $265.1M | -$20.5M | -$0.24 |
| Q1 FY2025 | 31 Mar 2025 | $247.7M | -$11.3M | -$0.14 |
| Q4 FY2024 | 31 Dec 2024 | $242.9M | -$46.1M | -$0.58 |
| Q3 FY2024 | 30 Sep 2024 | $227.7M | -$33.3M | -$0.36 |
Revenue by segment
As the company reports it in the segment note of its annual report.
By business, FY2025
| Segment | Revenue | Share |
|---|---|---|
| Network Solutions | $896.9M | 82.8% |
| Services & Support | $186.9M | 17.2% |
By region, FY2025
| Segment | Revenue | Share |
|---|---|---|
| United States | $480.8M | 44.4% |
| Other International | $260.2M | 24.0% |
| United Kingdom | $213.1M | 19.7% |
| Germany | $129.7M | 12.0% |
Company events
The newest 8-K filings of 222 held.
| Filed | Form | Event | Items |
|---|---|---|---|
| 29 Oct 2026 | 8-K | Leadership change, Other events | 5.02, 8.01, 9.01 |
| 10 Aug 2026 | 8-K | Leadership change | 5.02, 9.01 |
| 4 Aug 2026 | 8-K | Results, Investor update | 2.02, 7.01, 9.01 |
| 23 Jul 2026 | 8-K | Material agreement, Agreement ended, New debt | 1.01, 1.02, 2.03, 9.01 |
| 22 Jul 2026 | 8-K | Results, Investor update | 2.02, 7.01, 9.01 |
| 26 Jun 2026 | 8-K | Leadership change, Other events | 5.02, 8.01, 9.01 |
| 18 May 2026 | 8-K | Shareholder vote, Bylaws or fiscal year change | 5.03, 5.07, 9.01 |
| 5 May 2026 | 8-K | Results, Investor update | 2.02, 7.01, 9.01 |
| 7 Apr 2026 | 8-K | Leadership change | 5.02, 9.01 |
| 26 Feb 2026 | 8-K | Results, Investor update | 2.02, 7.01, 9.01 |
| 22 Jan 2026 | 8-K | Results, Investor update | 2.02, 7.01, 9.01 |
| 11 Dec 2025 | 8-K | Leadership change | 5.02, 9.01 |
Every filing
The newest filings with the SEC of 626 held.
| Filed | Form | Period |
|---|---|---|
| 29 Oct 2026 | 8-K | 27 Oct 2026 |
| 10 Aug 2026 | 8-K | 10 Aug 2026 |
| 4 Aug 2026 | 10-Q | 30 Jun 2026 |
| 4 Aug 2026 | 8-K | 3 Aug 2026 |
| 23 Jul 2026 | 8-K | 21 Jul 2026 |
| 22 Jul 2026 | 8-K | 21 Jul 2026 |
| 17 Jul 2026 | S-3ASR | – |
| 26 Jun 2026 | 11-K | 31 Dec 2025 |
| 26 Jun 2026 | 8-K | 23 Jun 2026 |
| 18 May 2026 | 8-K | 13 May 2026 |
| 12 May 2026 | SD | – |
| 5 May 2026 | 10-Q | 31 Mar 2026 |
Insider trades
Form 4 trades by officers, directors and 10% owners, last 12 months.
| Traded | Insider | Type | Shares | Price | Value | Held after | Form 4 |
|---|---|---|---|---|---|---|---|
| 6 Aug 2026 | Santo Timothy P, SVP of Finance; CFO | Purchase | 6,579 | $7.60 | $50.0K | 59,924 | 7 Aug 2026 |
| 20 May 2026 | Wilson James Denson Jr, Chief Revenue Officer | Sale outside a trading plan | 9,332 | $14.72 | $137.4K | 143,277 | 22 May 2026 |
| 8 May 2026 | Glingener Christoph, Chief Technology Officer | Sale under a trading plan | 22,277 | $15.00 | $334.2K | 46,645 | 11 May 2026 |
| 7 May 2026 | Glingener Christoph, Chief Technology Officer | Sale under a trading plan | 41,220 | $14.73 | $607.2K | 46,645 | 11 May 2026 |
| 7 May 2026 | Glingener Christoph, Chief Technology Officer | Sale under a trading plan | 84,895 | $15.06 | $1.3M | 46,645 | 11 May 2026 |
| 4 Mar 2026 | Jacqueline Hourigan Rice, Director | Sale outside a trading plan | 14,406 | $10.29 | $148.2K | 13,809 | 5 Mar 2026 |
| 28 Nov 2025 | Santo Timothy P, SVP of Finance; CFO | Purchase | 6,150 | $8.02 | $49.3K | 26,594 | 1 Dec 2025 |
| 26 Nov 2025 | Theodosopoulos Nikos, Director | Purchase | 12,859 | $7.81 | $100.4K | 52,154 | 1 Dec 2025 |
| 24 Nov 2025 | Stanton Thomas R, Chairman & CEO | Purchase | 40,928 | $7.33 | $300.0K | 982,096 | 25 Nov 2025 |
Planned insider sales
Form 144 notices, filed when the sell order goes to the broker.
| Filed | Seller | Shares | Value | Planned sale |
|---|---|---|---|---|
| 20 May 2026 | JAMES D WILSON JR, Officer | 9,332 | $137.4K | 20 May 2026 |
| 7 May 2026 | CHRISTOPH GLINGENER, Officer | 148,392 | $2.3M | 7 May 2026 |
| 4 Mar 2026 | JACQUELINE H RICE, Director | 14,406 | $148.3K | 4 Mar 2026 |
Large holders
Schedule 13D and 13G filings by holders of more than 5% of the voting shares.
| Filed | Holder | Schedule | Stake | Shares |
|---|---|---|---|---|
| 28 Apr 2026 | Vanguard Portfolio Management | 13G | 6.03% | 4.9M |
| 26 Mar 2026 | The Vanguard Group | 13G amended | 0% | 0 |
| 18 Mar 2026 | EGORA Ventures AG | 13G amended | 4.9745% | 4.0M |
| 14 Nov 2025 | Divisar Capital Management LLC | 13G amended | 4% | 3.2M |
Short interest
Shares sold short and not yet bought back, on each FINRA settlement date.
| Settlement | Shares short | Change | Days to cover |
|---|---|---|---|
| 15 Oct 2026 | 12.5M | +5.79% | 7.24 |
| 30 Sep 2026 | 11.9M | -5.38% | 7.2 |
| 15 Sep 2026 | 12.5M | -2.95% | 8.03 |
| 31 Aug 2026 | 12.9M | +9.6% | 7.72 |
| 14 Aug 2026 | 11.8M | +10.7% | 4.61 |
| 31 Jul 2026 | 10.6M | -16.15% | 4.2 |
| 15 Jul 2026 | 12.7M | +0.94% | 9.24 |
| 30 Jun 2026 | 12.6M | +4.45% | 5.44 |
Funds that hold it
From each fund's latest Form 13F.
278 funds held it at 30 Jun 2026: 139 added and 73 trimmed in the quarter. The largest:
| Fund | Shares | Value | Change in the quarter |
|---|---|---|---|
| BlackRock, Inc. | 7,836,196 | $108.9M | -4,058 |
| Vanguard Portfolio Management LLC | 5,135,649 | $71.4M | +364,197 |
| Vanguard Capital Management LLC | 3,510,271 | $48.8M | +84,041 |
| State Street Corp. | 3,082,794 | $42.9M | +732,057 |
| Royce & Associates LP | 2,972,917 | $41.3M | -154,486 |
| UBS Group AG | 2,940,724 | $40.9M | +2,691,567 |
| Two Sigma Investments, LP | 2,896,353 | $40.3M | +1,772,829 |
| Millennium Management LLC | 2,722,820 | $37.8M | +826,409 |
| DNB Asset Management AS | 2,619,389 | $36.4M | -504,290 |
| JPMorgan Chase & Co. | 2,623,057 | $36.1M | +1,104,360 |
Peers
Companies in the same industry.
- Ciena Corp. (CIEN): revenue $6.0B, market value $49.5B
- Fabrinet (FN): revenue $4.6B, market value $12.5B