AMTM vs SAIC vs LDOS

For growth investors, Amentum Holdings, Inc.

(AMTM) is the stronger pick with 71. 6% revenue growth year-over-year, versus -2. 9% for Science Applications International Corporation (SAIC). Leidos Holdings, Inc. (LDOS) offers the better valuation at 12. 1x trailing P/E (11. 4x forward), making it the more compelling value choice. Analysts rate Leidos Holdings, Inc. (LDOS) a "Buy" — based on 27 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, Leidos Holdings, Inc.

(LDOS) is the cheapest at 12. 1x versus Amentum Holdings, Inc. at 92. 2x. On forward P/E, Science Applications International Corporation is actually cheaper at 9. 3x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Leidos Holdings, Inc. wins at 0. 55x versus Science Applications International Corporation's 0. 56x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Leidos Holdings, Inc.

(LDOS) delivered a total return of +37. 1%, compared to -15. 7% for Amentum Holdings, Inc. (AMTM). Over 10 years, the gap is even starker: LDOS returned +230. 5% versus AMTM's -15. 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), Science Applications International Corporation (SAIC) is the lower-risk stock at 0.

26β versus Amentum Holdings, Inc. 's 1. 17β — meaning AMTM is approximately 344% more volatile than SAIC relative to the S&P 500. On balance sheet safety, Science Applications International Corporation (SAIC) carries a lower debt/equity ratio of 14% versus 119% for Leidos Holdings, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Amentum Holdings, Inc.

(AMTM) is pulling ahead at 71. 6% versus -2. 9% for Science Applications International Corporation (SAIC). On earnings-per-share growth, the picture is similar: Amentum Holdings, Inc. grew EPS 179. 4% year-over-year, compared to 7. 4% for Science Applications International Corporation. Over a 3-year CAGR, AMTM leads at 23. 3% 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.

Leidos Holdings, Inc.

(LDOS) is the more profitable company, earning 8. 5% net margin versus 0. 5% for Amentum Holdings, Inc. — meaning it keeps 8. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: LDOS leads at 12. 3% versus 3. 5% for AMTM. At the gross margin level — before operating expenses — LDOS leads at 17. 7%, 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, Leidos Holdings, Inc. (LDOS) is the more undervalued stock at a PEG of 0. 55x versus Science Applications International Corporation's 0. 56x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Science Applications International Corporation (SAIC) trades at 9. 3x forward P/E versus 11. 4x for Leidos Holdings, Inc. — 2. 0x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for LDOS: 51. 2% to $204. 00.

In this comparison, SAIC (1.

6% yield), LDOS (1. 2% yield) pay a dividend. AMTM does not pay a meaningful dividend and should not be held primarily for income.

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

26), 1. 6% yield, +104. 4% 10Y return). Both have compounded well over 10 years (SAIC: +104. 4%, AMTM: -15. 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 (AMTM (Industrials) and SAIC (Technology) and LDOS (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: AMTM is a small-cap high-growth stock; SAIC is a small-cap deep-value stock; LDOS is a mid-cap deep-value stock. SAIC, LDOS pay a dividend while AMTM does 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.