Lockheed Martinvs.RTX
LMT 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 2.1× larger than Lockheed Martin by market cap; Lockheed Martin trades at the lower P/E (18.4 vs 32.1); year to date, Lockheed Martin leads (+3.2% vs −1.7%).
Supply-chain link: RTX supplies Lockheed Martin.
Side by side
| LMT | RTX | |
|---|---|---|
| Market cap | $116B | $248B |
| Price | $507.89 | $184.32 |
| Today | +1.7% | +2.3% |
| Return YTD | +3.2% | −1.7% |
| Return 1Y | −2.3% | +6.5% |
| Since June 26, 2026 | +0.1% | −2.0% |
| P/E | 18.4 | 32.1 |
| P/S | 1.5 | 2.7 |
| P/B | 13.2 | 3.7 |
Data as of 2026-10-08 · updates daily after U.S. close
Since June 26, 2026: the change in the closing price, from the daily closes Sectivia records itself since that date.
The two companies
Lockheed MartinLMT
The F-35 fighter runs through everything Lockheed Martin does, and there is no bigger defense contractor. Missile defense plus space and satellite systems make up the rest of the work, sold to the US and its allies.
Full LMT 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 LMT & RTX comparisons
Other head-to-heads in the Defense integrators segment.