LHX vs MRCY
LHX: L3Harris is a major aerospace and defense contractor providing advanced communications, sensor, and mission-integrated technology for global government and commercial clients. MRCY: Mercury Systems transforms advanced commercial silicon and technologies into secure, mission-critical processing solutions for the edge of the modern battlefield.
Side-by-side fundamentals
| Metric | LHX | MRCY | Edge |
|---|---|---|---|
| Price as of 2026-10-09 close | $236.97 | $79.49 | |
| Market cap | $44.1B | $4.8B | |
| P/E as of 2026-10-09 | 23.75 | n/a | |
| PEG as of 2026-10-09, 1-year EPS growth to FY2026 | 2.83 | n/a | |
| Net margin | +7.0% | -3.0% | LHX higher |
| Gross margin FY2026, SEC XBRL | n/a | +28.6% | |
| Operating margin | +9.0% | +0.0% | LHX higher |
| ROE FY2026, SEC XBRL | +8.2% | -2.0% | LHX higher |
| ROA FY2026, SEC XBRL | +3.9% | -1.3% | LHX higher |
| Debt / equity as of 2026-09-03 | 0.53 | 0.40 | MRCY lower |
| Revenue growth (YoY) as of 2026-09-03 | -19.2% | +8.9% | MRCY higher |
| Revenue CAGR (3y) SEC XBRL | +4.6% | +0.3% | LHX higher |
| Dividend yield as of 2026-09-03 | +2.0% | n/a | |
| Dividend streak (yrs) SEC XBRL | 2 | n/a | |
| Beta as of 2026-09-03 | 0.35 | 1.18 | |
| 1-year return as of 2026-10-09 close | -20.5% | -1.8% | MRCY higher |
Fundamentals: SEC XBRL company filings for the figures marked with a fiscal year, and market data, as of 2026-09-03 for the rest. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-10-09.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.