Lantronix, Inc. (LTRX) vs Ribbon Communications Inc. (RBBN)
A side-by-side comparison of Lantronix, Inc. and Ribbon Communications Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.
LTRX
Lantronix, Inc.
$7.42TechnologyDelayed quote: Oct 6, 2026, 1:55 PM EDT
RBBN
Ribbon Communications Inc.
$1.78TechnologyDelayed quote: Oct 6, 2026, 1:54 PM EDT
Total return — LTRX vs RBBN
growth of $100 · dividends reinvested · last 10yLTRX +398.6% (+17.4%/yr)RBBN -77.9% (-14.0%/yr)LTRX compounded faster over this window
Log scale — wide-divergence pair
LTRX RBBN
LTRX vs RBBN: by the numbers
- •LTRX is the larger company ($331M vs $317M market cap).
- •RBBN is profitable (1.96% net margin) while LTRX runs a net loss (-3.46%).
- •LTRX grew revenue faster over the past five years (11.09% vs 0.02% CAGR).
Metrics side by side
Valuation
| Metric | LTRX | RBBN |
|---|---|---|
| P/E ratio | N/A | 21.81 |
| Forward P/E | 33.06 | 35.50 |
| P/S ratio | 2.74 | 0.40 |
| P/B ratio | 2.77 | 0.81 |
| EV / EBITDA | N/A | 14.38 |
| FCF yield | 2.80% | 2.32% |
Profitability
| Metric | LTRX | RBBN |
|---|---|---|
| Gross margin | 42.72% | 47.03% |
| Operating margin | -3.06% | -1.62% |
| Net margin | -3.46% | 1.96% |
| ROE | -3.51% | 3.97% |
| ROIC | -2.85% | -1.53% |
Growth (annualized)
| Metric | LTRX | RBBN |
|---|---|---|
| Revenue CAGR (5Y) | 11.09% | 0.02% |
| EPS CAGR (5Y) | N/A | -19.23% |
| FCF CAGR (5Y) | 21.35% | -31.98% |
| Total return CAGR (5Y) | 2.97% | -22.17% |
Frequently asked
- Which has grown faster, LTRX or RBBN?
- Over the past five years, LTRX grew revenue faster — LTRX at a 11.09% CAGR versus RBBN at 0.02%.
- Is LTRX or RBBN more profitable?
- RBBN runs the higher net margin — LTRX at -3.46% versus RBBN at 1.96%.
- How have LTRX and RBBN total returns compared?
- Over the past 10 years, LTRX delivered 17.43% and RBBN delivered -14.00% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
Ribbon Communications P/E ratioLantronix ROERibbon Communications ROELantronix operating marginRibbon Communications operating marginLantronix revenue growthRibbon Communications revenue growthLantronix free cash flowRibbon Communications free cash flow
Lantronix & Ribbon Communications appear in these rankings
Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.