Allegro MicroSystems, Inc. (ALGM) vs Silicon Laboratories Inc. (SLAB)
A side-by-side comparison of Allegro MicroSystems, Inc. and Silicon Laboratories Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 3, 2026. Differences are shown without an overall score or investment verdict.
ALGM
Allegro MicroSystems, Inc.
$39.53TechnologyDelayed quote: Oct 2, 2026, 4:00 PM EDT
SLAB
Silicon Laboratories Inc.
$222.76TechnologyDelayed quote: Oct 2, 2026, 4:00 PM EDT
Total return — ALGM vs SLAB
growth of $100 · dividends reinvested · last 6yALGM +123.3% (+14.3%/yr)SLAB +118.5% (+13.9%/yr)ALGM compounded faster over this window
ALGM SLAB
ALGM vs SLAB: by the numbers
- •ALGM is the larger company ($7.36B vs $7.35B market cap).
- •ALGM is profitable (1.50% net margin) while SLAB runs a net loss (-4.57%).
- •ALGM grew revenue faster over the past five years (7.32% vs 1.34% CAGR).
Metrics side by side
Valuation
| Metric | ALGM | SLAB |
|---|---|---|
| P/E ratio | 559.92 | N/A |
| Forward P/E | N/A | 76.62 |
| P/S ratio | 7.79 | 8.58 |
| P/B ratio | 7.64 | 6.71 |
| EV / EBITDA | 58.95 | 730.33 |
| FCF yield | 1.20% | N/A |
Profitability
| Metric | ALGM | SLAB |
|---|---|---|
| Gross margin | 47.20% | 59.90% |
| Operating margin | 6.22% | -3.76% |
| Net margin | 1.50% | -4.57% |
| ROE | 1.47% | -3.57% |
| ROIC | 4.61% | -2.85% |
Growth (annualized)
| Metric | ALGM | SLAB |
|---|---|---|
| Revenue CAGR (5Y) | 7.32% | 1.34% |
| FCF CAGR (5Y) | 9.70% | N/A |
| Total return CAGR (5Y) | 4.64% | 9.68% |
Frequently asked
- Which has grown faster, ALGM or SLAB?
- Over the past five years, ALGM grew revenue faster — ALGM at a 7.32% CAGR versus SLAB at 1.34%.
- Is ALGM or SLAB more profitable?
- ALGM runs the higher net margin — ALGM at 1.50% versus SLAB at -4.57%.
- How have ALGM and SLAB total returns compared?
- Over the past 5 years, ALGM delivered 4.64% and SLAB delivered 9.68% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
Allegro MicroSystems P/E ratioAllegro MicroSystems ROESilicon Laboratories ROEAllegro MicroSystems operating marginSilicon Laboratories operating marginAllegro MicroSystems revenue growthSilicon Laboratories revenue growthAllegro MicroSystems free cash flowSilicon Laboratories free cash flow
Allegro MicroSystems & Silicon Laboratories 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 3, 2026.