ADTRAN (ADTN) vs NAPCO Security Technologies (NSSC)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
ADTRAN (ADTN) has outperformed NAPCO Security Technologies (NSSC) over the past year, losing 17.6% versus a loss of 19.9%. Over five years, NSSC leads with a +57.7% price change compared with -58.8% for ADTN. NAPCO Security Technologies is the larger company by market cap ($1.26 billion vs $610.3 million), about 2.1 times the size.
On valuation, ADTRAN trades at a lower forward P/E (12.9x vs 19.5x for NAPCO Security Technologies). NAPCO Security Technologies pays a dividend yielding 1.65%, while ADTRAN does not currently pay one.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | ADTN | NSSC |
|---|---|---|
| Share price | $7.49 | $35.16 |
| Market cap | $610.30M | $1.26B |
| 1-day change | -3.48% | -0.09% |
| YTD return | -13.81% | -15.68% |
| 1-year return | -17.60% | -19.93% |
| 5-year return | -58.82% | +57.67% |
| P/E ratio (TTM) | — | 29.30 |
| Forward P/E | 12.85 | 19.48 |
| EPS (TTM) | $-0.28 | $1.20 |
| Dividend yield | 0.00% | 1.65% |
| Annual dividend | $0.00 | $0.58 |
| 52-week high | $19.98 | $51.77 |
| 52-week low | $6.73 | $33.91 |
| Distance from 52-week high | -62.51% | -32.08% |
| Analyst consensus | none | none |
| Avg. price target upside | +95.86% | +44.11% |
| Average volume | 2.00M | 377.92K |
| Shares outstanding | 81.48M | 35.77M |
| Employees | 3,201 | 1,049 |
| Sector | Utilities | Telecommunications |
| Industry | Telecommunications Equipment | Telecommunications Equipment |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- NAPCO Security Technologies is about 2.1 times larger than ADTRAN by market value ($1.26B vs $610.30M).
- NAPCO Security Technologies offers a meaningfully higher dividend yield (1.65% vs 0.00%).
- The two companies sit in different sectors: ADTRAN in Utilities and NAPCO Security Technologies in Telecommunications.
About ADTRAN
ADTN stock →ADTRAN Holdings, Inc. provides networking and communications platforms, software, systems, and services in the United States, Germany, the United Kingdom, and internationally.
Utilities · Telecommunications Equipment · 3,201 employees
About NAPCO Security Technologies
NSSC stock →Napco Security Technologies, Inc. engages in the development, manufacturing, and sale of electronic security systems for commercial, residential, institutional, industrial, and governmental applications in the United States and internationally.
Telecommunications · Telecommunications Equipment · 1,049 employees
ADTN vs NSSC FAQ
Which is bigger, ADTRAN or NAPCO Security Technologies?
NAPCO Security Technologies (NSSC) is larger, with a market capitalization of $1.26B compared with $610.30M for ADTRAN (ADTN).
Which stock has performed better over the past year, ADTN or NSSC?
ADTN returned -17.60% over the past 12 months, compared with -19.93% for NSSC (price return, excluding dividends). Past performance does not predict future results.
Which pays a higher dividend, ADTRAN or NAPCO Security Technologies?
NAPCO Security Technologies pays a dividend yielding 1.65%, while ADTRAN does not currently pay a regular dividend.
Are ADTRAN and NAPCO Security Technologies in the same industry?
Yes. Both are classified in the Telecommunications Equipment industry within the Utilities sector.