Does Karman Stock’s Valuation Make Sense

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Karman (KRMN) stock trades at 134.5 times its earnings over the last twelve months, compared with 22.6 for the S&P 500. Karman's sales are expanding rapidly, but the company retains only a small share of them as profit. Buyers at the current price are therefore paying today for profit the business has not yet earned. How fast, then, would Karman have to grow just for the shares to hold their value?

How Fast Would Karman Have To Grow?

At this price, Karman would need to grow its revenue about 31.5% a year for seven years just for the shares to hold their value, with no return on top. That figure comes from three Trefis assumptions, not from any forecast by the company.

Karman was valued at $5.0 billion at the October 27, 2026 close. If the price-to-earnings ratio settled at 20 times earnings, that market value would match about $250 million a year of net income. Trefis assumes a 6.2% net margin, placing it just under the latest 6.3%, which represents Karman's best recent twelve-month reading. Those readings averaged 3.8%. Earning that level of profit requires about $4.0 billion of revenue, or 6.8 times Karman's sales over the last twelve months. Seven years is the longest horizon Trefis uses, applying whenever the current P/E is five or more times the assumed one. Karman's P/E of 134.5 is about 6.7 times that assumed level.

The 20 times benchmark is the Trefis level for aerospace and defense companies. Karman's own past P/E is excluded from the calculation. Trefis averages it only when at least eight of the last 12 quarter-end readings are 500 times earnings or less, and only two of Karman's met that standard.

Is Karman's Business Growing That Fast?

Based on reported figures, Karman is expanding faster than the pace it would need today. Revenue climbed 50.2% over the last twelve months compared with the prior twelve months. In August 2026, management raised the company's fiscal 2026 revenue guide to a range of $730 million to $745 million. That midpoint sits 56.4% above fiscal 2025, and management raised the guide for adjusted EBITDA, its own profit measure, alongside it.

Trefis counts the seven years from the end of June 2026. This means that even after fiscal 2026, Karman's total revenue would have to grow about 29.8% a year for the six and a half years left. That pace exceeds the 20% to 25% annual organic growth management has described for a multi-year period, so the rest would have to come from acquisitions, which management expects to add on top. Karman completed its Walker acquisition on September 1, 2026, and management said its fiscal 2026 guide does not include Walker.

When raising the guide in August, Karman reported a backlog of $1.3 billion, a 65% increase from the end of fiscal 2025. On October 20, 2026, the company announced it had signed a $218 million agreement with Lockheed Martin to supply shrouds for the THAAD missile defense program.

Where Karman Could Fall Short

The growth Karman requires depends most on how many years you give it. With two fewer years, the company would need about 46.7% growth a year. The assumed margin also sits near Karman's best rather than its average, so a lower margin would mean more revenue for the same profit.

Karman posted reported revenue growth of 58.2% from a year earlier in fiscal Q2 2026. Organic growth, which excludes acquired businesses, stood at 24.4% in that quarter. That rate falls below what Karman would need at this price, and management expects 25% or more organic growth for 2026.

For the price to hold, Karman would have to keep growing faster than its organic business has, sustaining that pace for years with its margin near its best. If growth settles at the organic pace management has described, Karman would need more years, and the stock becomes riskier to hold at today's price. Karman is expected to report its fiscal third quarter in November 2026, and its revenue growth against the fiscal 2026 guide is the measure to watch.

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