L3Harrisvs.Lockheed Martin
LHX vs LMT · both in Defense integrators, part of the Defense, security & space value chain: The large primes that integrate complete defense systems and platforms.
Lockheed Martin is about 2.2× larger than L3Harris by market cap; Lockheed Martin trades at the lower P/E (24.9 vs 31.3); year to date, Lockheed Martin leads (+8.2% vs −1.0%).
Side by side
| LHX | LMT | |
|---|---|---|
| Market cap | $54.2B | $119B |
| Price | $290.77 | $523.22 |
| Today | +0.3% | +1.0% |
| Return YTD | −1.0% | +8.2% |
| Return 1Y | +11.8% | +12.7% |
| P/E | 31.3 | 24.9 |
| P/S | 3.2 | 1.6 |
| P/B | 2.8 | 16.0 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
L3HarrisLHX
Defense technology focused on communications, electronic warfare and space — an 'agile' challenger to the largest primes.
Full LHX profile →Lockheed MartinLMT
The world's largest defense contractor — combat aircraft (F-35), missile defense and space systems for the US and allies.
Full LMT profile →More comparisons in Defense integrators
See where LHX and LMT sit in the full Defense, security & space map — every segment from suppliers to end markets.Open the Defense value chain →