LHX vs MRCY
LHX: L3Harris is a major U.S. defense and government contractor providing integrated defense systems, intelligence, surveillance, and reconnaissance technologies to government and military customers worldwide. MRCY: Mercury Systems designs and manufactures secure, specialized computing systems and subsystems for defense, aerospace, and critical infrastructure applications.
Side-by-side fundamentals
| Metric | LHX | MRCY | Edge |
|---|---|---|---|
| Price as of 2026-07-22 close | $285.16 | $98.92 | |
| Market cap as of 2026-07-23 | $53.0B | $6.0B | |
| P/E as of 2026-07-23 | 30.57 | n/a | |
| PEG as of 2026-07-23 | 2.23 | n/a | |
| Net margin as of 2026-07-23 | +7.5% | -1.5% | LHX higher |
| Gross margin as of 2026-07-23 | +24.9% | +28.7% | MRCY higher |
| Operating margin as of 2026-07-23 | +9.6% | +1.0% | LHX higher |
| ROE as of 2026-07-23 | +8.9% | -1.0% | LHX higher |
| ROA as of 2026-07-23 | +4.2% | -0.6% | LHX higher |
| Debt / equity as of 2026-07-23 | 0.58 | 0.40 | MRCY lower |
| Revenue growth (YoY) as of 2026-07-23 | -20.8% | +8.9% | MRCY higher |
| Revenue CAGR (3y) SEC XBRL | +4.6% | -2.6% | LHX higher |
| Dividend yield as of 2026-07-23 | +1.8% | n/a | |
| Dividend streak (yrs) SEC XBRL | 2 | n/a | |
| Beta as of 2026-07-23 | 0.52 | 1.01 | |
| 1-year return as of 2026-07-22 close | +7.8% | +92.0% | MRCY higher |
Fundamentals: Finnhub, as of 2026-07-23. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-22.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & Finnhub, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.