KRMN vs ATRO vs RKLB vs KTOS vs ACHR

For growth investors, Rocket Lab USA, Inc.

(RKLB) is the stronger pick with 38. 0% revenue growth year-over-year, versus 8. 4% for Astronics Corporation (ATRO). Astronics Corporation (ATRO) offers the better valuation at 96. 2x trailing P/E (29. 5x forward), making it the more compelling value choice. Analysts rate Karman Holdings Inc. (KRMN) a "Buy" — based on 8 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, Astronics Corporation (ATRO) is the cheapest at 96.

2x versus Karman Holdings Inc. at 628. 9x. On forward P/E, Astronics Corporation is actually cheaper at 29. 5x.

Over the past 5 years, Rocket Lab USA, Inc.

(RKLB) delivered a total return of +686. 6%, compared to -36. 3% for Archer Aviation Inc. (ACHR). Over 10 years, the gap is even starker: KTOS returned +1232% versus ACHR's -37. 0%. 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), Astronics Corporation (ATRO) is the lower-risk stock at 1.

74β versus Archer Aviation Inc. 's 2. 96β — meaning ACHR is approximately 70% more volatile than ATRO relative to the S&P 500. On balance sheet safety, Archer Aviation Inc. (ACHR) carries a lower debt/equity ratio of 2% versus 3% for Astronics Corporation — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Rocket Lab USA, Inc.

(RKLB) is pulling ahead at 38. 0% versus 8. 4% for Astronics Corporation (ATRO). On earnings-per-share growth, the picture is similar: Astronics Corporation grew EPS 276. 1% year-over-year, compared to 2. 6% for Rocket Lab USA, Inc.. Over a 3-year CAGR, RKLB leads at 41. 8% 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.

Karman Holdings Inc.

(KRMN) is the more profitable company, earning 3. 7% net margin versus -2060. 7% for Archer Aviation Inc. — meaning it keeps 3. 7% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: KRMN leads at 18. 4% versus -2431. 0% for ACHR. At the gross margin level — before operating expenses — KRMN leads at 38. 3%, 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.

On forward earnings alone, Astronics Corporation (ATRO) trades at 29.

5x forward P/E versus 91. 9x for Karman Holdings Inc. — 62. 4x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for KRMN: 98. 0% to $119. 67.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, Kratos Defense & Security Solutions, Inc.

(KTOS) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (+1232% 10Y return). Archer Aviation Inc. (ACHR) carries a higher beta of 2. 96 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (KTOS: +1232%, ACHR: -37. 0%), 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: KRMN is a small-cap high-growth stock; ATRO is a small-cap quality compounder stock; RKLB is a mid-cap high-growth stock; KTOS is a mid-cap high-growth stock; ACHR is a small-cap quality compounder stock. 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.