Byrna Technologies (BYRN) vs Tecogen (TGEN)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 10, 2026.
Summary
Tecogen (TGEN) has outperformed Byrna Technologies (BYRN) over the past year, losing 73.0% versus a loss of 83.6%. Over five years, TGEN leads with a +37.4% price change compared with -74.8% for BYRN. Byrna Technologies is the larger company by market cap ($105.8 million vs $73.1 million), about 1.4 times the size.
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 | BYRN | TGEN |
|---|---|---|
| Share price | $4.52 | $2.42 |
| Market cap | $105.79M | $73.05M |
| 1-day change | -4.44% | -2.02% |
| YTD return | -73.08% | -51.01% |
| 1-year return | -83.64% | -72.96% |
| 5-year return | -74.85% | +37.42% |
| Forward P/E | — | 16.13 |
| EPS (TTM) | $-0.18 | $-0.34 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $27.77 | $12.07 |
| 52-week low | $3.17 | $1.94 |
| Distance from 52-week high | -83.72% | -79.95% |
| Analyst consensus | none | none |
| Avg. price target upside | +47.57% | +237.60% |
| Average volume | 586.46K | 192.75K |
| Shares outstanding | 23.40M | 30.19M |
| Employees | 159 | 119 |
| Sector | Miscellaneous | Industrials |
| Industry | Industrial Machinery/Components | Industrial Machinery/Components |
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
- TGEN has outperformed BYRN by 10.7 percentage points over the past year.
- The two companies sit in different sectors: Byrna Technologies in Miscellaneous and Tecogen in Industrials.
About Byrna Technologies
BYRN stock →Byrna Technologies Inc., a less-lethal self-defense technology company, develops, manufactures, and sells less-lethal personal security solutions in the United States, South Africa, Europe, South America, Asia, and Canada. The company offers handheld personal security devices and shoulder-fired launchers designed for use by consumers and professional security customers without the need for a background check or firearms license; projectiles, such as chemical irritant, kinetic, and inert rounds; self-defense aerosol products comprising Byrna Bad Guy Repellent; and accessories and related safety products, such as Byrna Banshee, Byrna Shield, compressed carbon dioxide canisters, sighting systems, holsters, and Byrna-branded apparel.
Miscellaneous · Industrial Machinery/Components · 159 employees
About Tecogen
TGEN stock →Tecogen Inc., together with its subsidiaries, designs, manufactures, markets, and maintains cogeneration products for multi-family residential, commercial, recreational, and industrial use in the United States. It operates in three segments: Products, Services, and Energy Production.
Industrials · Industrial Machinery/Components · 119 employees
BYRN vs TGEN FAQ
Which is bigger, Byrna Technologies or Tecogen?
Byrna Technologies (BYRN) is larger, with a market capitalization of $105.79M compared with $73.05M for Tecogen (TGEN).
Which stock has performed better over the past year, BYRN or TGEN?
TGEN returned -72.96% over the past 12 months, compared with -83.64% for BYRN (price return, excluding dividends). Past performance does not predict future results.
Are Byrna Technologies and Tecogen in the same industry?
Yes. Both are classified in the Industrial Machinery/Components industry within the Miscellaneous sector.