ISSC vs KTOS vs AVAV vs JOBY vs ACHR

For growth investors, Joby Aviation, Inc.

(JOBY) is the stronger pick with 391. 8% revenue growth year-over-year, versus 14. 5% for AeroVironment, Inc. (AVAV). Innovative Solutions and Support, Inc. (ISSC) offers the better valuation at 24. 3x trailing P/E (27. 1x forward), making it the more compelling value choice. Analysts rate Innovative Solutions and Support, Inc. (ISSC) a "Buy" — based on 2 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, Innovative Solutions and Support, Inc.

(ISSC) is the cheapest at 24. 3x versus Kratos Defense & Security Solutions, Inc. at 445. 3x. On forward P/E, Innovative Solutions and Support, Inc. is actually cheaper at 27. 1x.

Over the past 5 years, Innovative Solutions and Support, Inc.

(ISSC) delivered a total return of +252. 2%, compared to -34. 3% for Archer Aviation Inc. (ACHR). Over 10 years, the gap is even starker: KTOS returned +1253% versus ACHR's -35. 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), AeroVironment, Inc.

(AVAV) is the lower-risk stock at 1. 55β versus Archer Aviation Inc. 's 2. 95β — meaning ACHR is approximately 91% more volatile than AVAV relative to the S&P 500. On balance sheet safety, Archer Aviation Inc. (ACHR) carries a lower debt/equity ratio of 2% versus 37% for Innovative Solutions and Support, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Joby Aviation, Inc.

(JOBY) is pulling ahead at 391. 8% versus 14. 5% for AeroVironment, Inc. (AVAV). On earnings-per-share growth, the picture is similar: Innovative Solutions and Support, Inc. grew EPS 120. 0% year-over-year, compared to -29. 9% for Joby Aviation, Inc.. Over a 3-year CAGR, ISSC leads at 44. 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.

Innovative Solutions and Support, Inc.

(ISSC) is the more profitable company, earning 18. 5% net margin versus -2060. 7% for Archer Aviation Inc. — meaning it keeps 18. 5% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ISSC leads at 23. 8% versus -2431. 0% for ACHR. At the gross margin level — before operating expenses — ISSC leads at 48. 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.

On forward earnings alone, Innovative Solutions and Support, Inc.

(ISSC) trades at 27. 1x forward P/E versus 76. 4x for Kratos Defense & Security Solutions, Inc. — 49. 3x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for AVAV: 104. 2% to $343. 60.

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 (+1253% 10Y return). Archer Aviation Inc. (ACHR) carries a higher beta of 2. 95 — 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: +1253%, ACHR: -35. 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: ISSC is a small-cap high-growth stock; KTOS is a mid-cap high-growth stock; AVAV is a small-cap quality compounder stock; JOBY 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.