L3Harrisvs.RTX
LHX vs RTX · both in Defense integrators, part of the Defense, security & space value chain: The large primes that integrate complete defense systems and platforms.
RTX is about 5.5× larger than L3Harris by market cap; L3Harris trades at the lower P/E (28.6 vs 38.4); year to date, RTX leads (+14.1% vs −10.5%).
Supply-chain link: L3Harris supplies RTX.
Side by side
| LHX | RTX | |
|---|---|---|
| Market cap | $53.7B | $297B |
| Price | $262.17 | $210.28 |
| Today | −0.3% | +0.5% |
| Return YTD | −10.5% | +14.1% |
| Return 1Y | −4.7% | +33.9% |
| P/E | 28.6 | 38.4 |
| P/S | 3.1 | 3.2 |
| P/B | 2.6 | 4.5 |
Data as of 2026-08-26 · updates daily after U.S. close
The two companies
L3HarrisLHX
Tactical radios and electronic warfare are the core, with space and sensor work beside them. L3Harris sells itself as the quicker alternative to the big primes.
Full LHX profile →RTXRTX
Patriot and the wider missile and air-defense portfolio pull in one direction at RTX, the former Raytheon; Pratt & Whitney jet engines pull in another. Sensors and radar feed both sides.
Full RTX profile →More LHX & RTX comparisons
Other head-to-heads in the Defense integrators segment.