DRS vs MRCY vs KTOS vs AVAV vs CACI

For growth investors, Kratos Defense & Security Solutions, Inc.

(KTOS) is the stronger pick with 18. 5% revenue growth year-over-year, versus 9. 2% for Mercury Systems, Inc. (MRCY). CACI International Inc (CACI) offers the better valuation at 22. 0x trailing P/E (17. 4x forward), making it the more compelling value choice. Analysts rate Leonardo DRS, Inc. (DRS) a "Buy" — based on 9 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, CACI International Inc (CACI) is the cheapest at 22.

0x versus Kratos Defense & Security Solutions, Inc. at 438. 5x. On forward P/E, CACI International Inc is actually cheaper at 17. 4x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: CACI International Inc wins at 1. 44x versus Leonardo DRS, Inc. 's 2. 63x — a reasonable growth-adjusted valuation.

Over the past 5 years, Leonardo DRS, Inc.

(DRS) delivered a total return of +231. 9%, compared to +37. 2% for Mercury Systems, Inc. (MRCY). Over 10 years, the gap is even starker: DRS returned +54. 1% versus MRCY's +335. 7%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), CACI International Inc (CACI) is the lower-risk stock at 0.

30β versus Kratos Defense & Security Solutions, Inc. 's 1. 84β — meaning KTOS is approximately 519% more volatile than CACI relative to the S&P 500. On balance sheet safety, AeroVironment, Inc. (AVAV) carries a lower debt/equity ratio of 7% versus 86% for CACI International Inc — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Kratos Defense & Security Solutions, Inc.

(KTOS) is pulling ahead at 18. 5% versus 9. 2% for Mercury Systems, Inc. (MRCY). On earnings-per-share growth, the picture is similar: Mercury Systems, Inc. grew EPS 72. 7% year-over-year, compared to -28. 9% for AeroVironment, Inc.. Over a 3-year CAGR, AVAV leads at 22. 6% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Leonardo DRS, Inc.

(DRS) is the more profitable company, earning 7. 6% net margin versus -4. 2% for Mercury Systems, Inc. — meaning it keeps 7. 6% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: DRS leads at 9. 5% versus -2. 2% for MRCY. At the gross margin level — before operating expenses — AVAV leads at 39. 4%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, CACI International Inc (CACI) is the more undervalued stock at a PEG of 1. 44x versus Leonardo DRS, Inc. 's 2. 63x. A PEG below 1. 5 suggests fair-to-attractive pricing relative to expected growth. On forward earnings alone, CACI International Inc (CACI) trades at 17. 4x forward P/E versus 91. 8x for Mercury Systems, Inc. — 74. 5x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for AVAV: 104. 3% to $343. 60.

In this comparison, DRS (0.

9% yield) pays a dividend. MRCY, KTOS, AVAV, CACI do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, CACI International Inc (CACI) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

30), +416. 4% 10Y return). Mercury Systems, Inc. (MRCY) carries a higher beta of 1. 76 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (CACI: +416. 4%, MRCY: +335. 7%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (DRS (Industrials) and MRCY (Industrials) and KTOS (Industrials) and AVAV (Industrials) and CACI (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: DRS is a mid-cap quality compounder stock; MRCY is a small-cap quality compounder stock; KTOS is a mid-cap high-growth stock; AVAV is a small-cap quality compounder stock; CACI is a mid-cap quality compounder stock. DRS pays a dividend while MRCY, KTOS, AVAV, CACI do not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.