TDG vs KTOS vs HEI vs DRS vs NOC

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

(KTOS) is the stronger pick with 18. 5% revenue growth year-over-year, versus 2. 2% for Northrop Grumman Corporation (NOC). Northrop Grumman Corporation (NOC) offers the better valuation at 18. 9x trailing P/E (19. 7x forward), making it the more compelling value choice. Analysts rate TransDigm Group Incorporated (TDG) a "Buy" — based on 39 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, Northrop Grumman Corporation (NOC) is the cheapest at 18.

9x versus Kratos Defense & Security Solutions, Inc. at 445. 3x. On forward P/E, Northrop Grumman Corporation is actually cheaper at 19. 7x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: TransDigm Group Incorporated wins at 0. 98x versus HEICO Corporation's 3. 17x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Leonardo DRS, Inc.

(DRS) delivered a total return of +249. 3%, compared to +57. 2% for Northrop Grumman Corporation (NOC). Over 10 years, the gap is even starker: DRS returned +54. 0% versus NOC's +184. 8%. 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), Northrop Grumman Corporation (NOC) is the lower-risk stock at 0.

01β versus Kratos Defense & Security Solutions, Inc. 's 1. 87β — meaning KTOS is approximately 16755% more volatile than NOC relative to the S&P 500. On balance sheet safety, Kratos Defense & Security Solutions, Inc. (KTOS) carries a lower debt/equity ratio of 9% versus 118% for Northrop Grumman Corporation — 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 2. 2% for Northrop Grumman Corporation (NOC). On earnings-per-share growth, the picture is similar: HEICO Corporation grew EPS 33. 5% year-over-year, compared to 2. 6% for Northrop Grumman Corporation. Over a 3-year CAGR, HEI leads at 26. 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.

TransDigm Group Incorporated (TDG) is the more profitable company, earning 23.

5% net margin versus 1. 6% for Kratos Defense & Security Solutions, Inc. — meaning it keeps 23. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: TDG leads at 47. 2% versus 2. 1% for KTOS. At the gross margin level — before operating expenses — TDG leads at 60. 1%, 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, TransDigm Group Incorporated (TDG) is the more undervalued stock at a PEG of 0. 98x versus HEICO Corporation's 3. 17x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Northrop Grumman Corporation (NOC) trades at 19. 7x forward P/E versus 76. 4x for Kratos Defense & Security Solutions, Inc. — 56. 7x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for KTOS: 89. 3% to $109. 58.

In this comparison, TDG (13.

6% yield), NOC (1. 6% yield), DRS (0. 9% yield) pay a dividend. KTOS, HEI do not pay a meaningful dividend and should not be held primarily for income.

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

01), 1. 6% yield, +184. 8% 10Y return). Kratos Defense & Security Solutions, Inc. (KTOS) carries a higher beta of 1. 87 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (NOC: +184. 8%, KTOS: +1253%), 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.

Both stocks operate in the Industrials sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: TDG is a mid-cap income-oriented stock; KTOS is a mid-cap high-growth stock; HEI is a mid-cap high-growth stock; DRS is a mid-cap quality compounder stock; NOC is a mid-cap quality compounder stock. TDG, DRS, NOC pay a dividend while KTOS, HEI 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.