TransDigm Groupvs.Teledyne Technologies
TDG vs TDY · both in Dual-use technology, part of the Defense, security & space value chain: Technology with both civil and military uses — from sensors to avionics.
TransDigm Group is about 2.4× larger than Teledyne Technologies by market cap; year to date, Teledyne Technologies leads (+24.3% vs −2.9%).
Side by side
| TDG | TDY | |
|---|---|---|
| Market cap | $72.2B | $29.5B |
| Price | $1,291.35 | $634.60 |
| Today | −0.3% | +0.5% |
| Return YTD | −2.9% | +24.3% |
| Return 1Y | −16.1% | +20.3% |
| P/E | 34.7 | 31.6 |
| P/S | 7.6 | 4.7 |
| P/B | 90.0 | 2.8 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
TransDigm GroupTDG
Specialized high-margin aircraft components for civil and military aircraft.
Full TDG profile →Teledyne TechnologiesTDY
US technology group in sensors, imaging and instrumentation — with both civil and military applications (incl. FLIR drones).
Full TDY profile →More comparisons in Dual-use technology
See where TDG and TDY sit in the full Defense, security & space map — every segment from suppliers to end markets.Open the Defense value chain →