Littelfuse (LFUS) vs Mercury Systems (MRCY)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 7, 2026.
Summary
Littelfuse (LFUS) has outperformed Mercury Systems (MRCY) over the past year, gaining 70.8% versus a loss of 4.2%. Over five years, MRCY leads with a +59.2% price change compared with +54.8% for LFUS. Littelfuse is the larger company by market cap ($11.04 billion vs $4.85 billion), about 2.3 times the size.
On valuation, Littelfuse trades at a lower forward P/E (21.6x vs 35.8x for Mercury Systems). Littelfuse pays a dividend yielding 0.69%, while Mercury Systems does not currently pay one. Littelfuse converts more of its revenue into profit, with a net margin of -3.0% versus -3.0%.
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 | LFUS | MRCY |
|---|---|---|
| Share price | $434.74 | $79.75 |
| Market cap | $11.04B | $4.85B |
| 1-day change | -4.30% | -3.68% |
| YTD return | +71.89% | +9.48% |
| 1-year return | +70.83% | -4.24% |
| 5-year return | +54.82% | +59.21% |
| Forward P/E | 21.64 | 35.76 |
| EPS (TTM) | $-0.50 | $-0.50 |
| Dividend yield | 0.69% | 0.00% |
| Annual dividend | $3.00 | $0.00 |
| Revenue (latest FY) | $2.39B | $983.62M |
| Revenue growth (YoY) | +8.92% | +7.85% |
| Net income (latest FY) | $-71.70M | $-29.67M |
| Gross margin | 37.97% | 28.58% |
| Operating margin | 1.57% | 0.03% |
| Net margin | -3.00% | -3.02% |
| 52-week high | $500.57 | $128.45 |
| 52-week low | $233.36 | $65.04 |
| Distance from 52-week high | -13.15% | -37.91% |
| Analyst consensus | none | none |
| Avg. price target upside | +12.42% | +45.08% |
| Average volume | 271.38K | 696.61K |
| Shares outstanding | 25.40M | 60.86M |
| Employees | 18,000 | 2,102 |
| Sector | Energy | Technology |
| Industry | Electrical Products | Electrical Products |
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
- Littelfuse is about 2.3 times larger than Mercury Systems by market value ($11.04B vs $4.85B).
- LFUS has outperformed MRCY by 75.1 percentage points over the past year.
- The two companies sit in different sectors: Littelfuse in Energy and Mercury Systems in Technology.
About Littelfuse
LFUS stock →Littelfuse, Inc. designs, manufactures, and sells electronic components, modules, and subassemblies.
Energy · Electrical Products · 18,000 employees
About Mercury Systems
MRCY stock →Mercury Systems, Inc., engages in the aerospace and defense electronics industry. The company manufactures and sells components, products, modules, and subsystems for defense prime contractors, original equipment manufacturers, government, and commercial aerospace companies.
Technology · Electrical Products · 2,102 employees
LFUS vs MRCY FAQ
Which is bigger, Littelfuse or Mercury Systems?
Littelfuse (LFUS) is larger, with a market capitalization of $11.04B compared with $4.85B for Mercury Systems (MRCY).
Which stock has performed better over the past year, LFUS or MRCY?
LFUS returned +70.83% over the past 12 months, compared with -4.24% for MRCY (price return, excluding dividends). Past performance does not predict future results.
Which pays a higher dividend, Littelfuse or Mercury Systems?
Littelfuse pays a dividend yielding 0.69%, while Mercury Systems does not currently pay a regular dividend.
Are Littelfuse and Mercury Systems in the same industry?
Yes. Both are classified in the Electrical Products industry within the Energy sector.