ESCO Technologies (ESE) has drawn fresh attention after reporting third quarter 2026 earnings, raising full year guidance, reaffirming its dividend, and announcing an agreement to acquire test equipment provider Megger Group Limited.

At a latest share price of $328.03, ESCO Technologies has seen a 7 day share price return of 5.30% and a year to date share price return of 65.99%. The 1 year total shareholder return of 72.99% and 5 year total shareholder return of 257.15% point to strong longer term momentum around the recent earnings beat, higher guidance and Megger acquisition announcement.

If this kind of sustained interest in ESCO Technologies has you thinking about other opportunities in infrastructure and grid related plays, it could be a good time to scan the market using our 36 power grid technology and infrastructure stocks

The sharp move in ESCO Technologies after earnings and the Megger deal leaves a practical question: Is the current price still reasonable for new money, or does it make more sense to wait for a cooler entry before buying more?

Most Popular Narrative: 15% Undervalued

ESCO Technologies is trading close to the most followed fair value estimate of $385, which sits modestly above the latest close at $328.03 and anchors a premium growth story built around power, grid and defense exposure.

Continued long-term growth in global electricity demand driven by trends such as electrification of transportation, grid expansion for data centers and AI, and increased renewable integration positions ESCO's Utility Solutions Group and Doble for sustained order momentum and rising recurring revenues in utility infrastructure, supporting future top-line growth and improved earnings visibility.

Investors may want to understand what kind of revenue path and margin profile would need to align with that fair value. The narrative leans on ambitious growth, richer profitability and a premium future earnings multiple. It raises questions about which specific assumptions could bridge today’s profits to that price a few years from now.

Result: Fair Value of $385 (UNDERVALUED)

However, ESCO Technologies still faces real pressure from geopolitical and trade risks, and the Megger and Maritime integrations could fall short of synergy or margin expectations.

Another View On ESCO Technologies Using Market Multiples

The first fair value narrative points to ESCO Technologies trading below a $385 target. The current P/E of 64.5x sits far above the US Machinery industry at 27.8x and the fair ratio of 30.2x. That gap suggests meaningful valuation risk if sentiment or growth expectations cool from here.

Next Steps

With sentiment this optimistic around ESCO Technologies, it may be worth acting soon and testing the story against the data yourself. A good place to start is by reviewing the 2 key rewards.

Looking for more ESCO Technologies style investment ideas?

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.