CACI Internationalvs.Leidos
CACI vs LDOS · both in Communications & defense data, part of the Defense, security & space value chain: IT services, secure communications and data analytics for defense and intelligence.
CACI International and Leidos are similar in size by market cap; Leidos trades at the lower P/E (11.0 vs 24.7); year to date, CACI International leads (+12.5% vs −33.9%).
Side by side
| CACI | LDOS | |
|---|---|---|
| Market cap | $13.2B | $15.1B |
| Price | $610.65 | $121.68 |
| Today | +1.9% | +2.1% |
| Return YTD | +12.5% | −33.9% |
| Return 1Y | +13.8% | −39.9% |
| Since June 26, 2026 | +34.5% | +19.6% |
| P/E | 24.7 | 11.0 |
| P/S | 1.4 | 0.9 |
| P/B | 3.0 | 2.9 |
Data as of 2026-10-09 · 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
CACI InternationalCACI
Intelligence and surveillance systems for US defense and intelligence agencies, along with secure communications.
Full CACI profile →LeidosLDOS
Contracted IT services and data analysis for US defense and intelligence customers, with security systems alongside.
Full LDOS profile →More CACI & LDOS comparisons
Other head-to-heads in the Communications & defense data segment.