WallStSmart

ESCO Technologies Inc (ESE)vsMKS Instruments Inc (MKSI)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

MKS Instruments Inc generates 226% more annual revenue ($4.07B vs $1.25B). ESE leads profitability with a 24.7% profit margin vs 8.0%. MKSI appears more attractively valued with a PEG of 1.32. MKSI earns a higher WallStSmart Score of 61/100 (C+).

ESE

Buy

61

out of 100

Grade: C+

Growth: 7.3Profit: 7.5Value: 3.7Quality: 6.5
Piotroski: 2/9Altman Z: 2.64

MKSI

Buy

61

out of 100

Grade: C+

Growth: 7.3Profit: 6.5Value: 3.3Quality: 4.5
Piotroski: 4/9Altman Z: 1.24
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for ESE.

MKSISignificantly Overvalued (-74.5%)

Margin of Safety

-74.5%

Fair Value

$148.46

Current Price

$420.56

$272.10 premium

UndervaluedFair: $148.46Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

ESE3 strengths · Avg: 9.3/10
Revenue GrowthGrowth
33.5%10/10

Revenue surging 33.5% year-over-year

Profit MarginProfitability
24.7%9/10

Keeps 25 of every $100 in revenue as profit

Debt/EquityHealth
0.139/10

Conservative balance sheet, low leverage

MKSI2 strengths · Avg: 9.0/10
EPS GrowthGrowth
53.2%10/10

Earnings expanding 53.2% YoY

Revenue GrowthGrowth
15.2%8/10

15.2% revenue growth

Areas to Watch

ESE4 concerns · Avg: 2.8/10
PEG RatioValuation
1.674/10

Expensive relative to growth rate

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

P/E RatioValuation
61.8x2/10

Premium valuation, high expectations priced in

Free Cash FlowQuality
$-811,0002/10

Negative free cash flow — burning cash

MKSI4 concerns · Avg: 2.8/10
Price/BookValuation
10.1x4/10

Trading at 10.1x book value

Debt/EquityHealth
1.533/10

Elevated debt levels

P/E RatioValuation
74.6x2/10

Premium valuation, high expectations priced in

Altman Z-ScoreHealth
1.242/10

Distress zone — elevated risk

Comparative Analysis Report

WallStSmart Research

Bull Case : ESE

The strongest argument for ESE centers on Revenue Growth, Profit Margin, Debt/Equity. Profitability is solid with margins at 24.7% and operating margin at 15.5%. Revenue growth of 33.5% demonstrates continued momentum.

Bull Case : MKSI

The strongest argument for MKSI centers on EPS Growth, Revenue Growth. Revenue growth of 15.2% demonstrates continued momentum. PEG of 1.32 suggests the stock is reasonably priced for its growth.

Bear Case : ESE

The primary concerns for ESE are PEG Ratio, Piotroski F-Score, P/E Ratio. A P/E of 61.8x leaves little room for execution misses.

Bear Case : MKSI

The primary concerns for MKSI are Price/Book, Debt/Equity, P/E Ratio. A P/E of 74.6x leaves little room for execution misses. Debt-to-equity of 1.53 is elevated, increasing financial risk.

Key Dynamics to Monitor

MKSI carries more volatility with a beta of 2.00 — expect wider price swings.

ESE is growing revenue faster at 33.5% — sustainability is the question.

MKSI generates stronger free cash flow (28M), providing more financial flexibility.

Monitor SCIENTIFIC & TECHNICAL INSTRUMENTS industry trends, competitive dynamics, and regulatory changes.

Bottom Line

ESE scores higher overall (61/100 vs 61/100), backed by strong 24.7% margins and 33.5% revenue growth. Both earn "Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

ESCO Technologies Inc

TECHNOLOGY · SCIENTIFIC & TECHNICAL INSTRUMENTS · USA

ESCO Technologies Inc. produces and supplies products and systems designed for the industrial and commercial markets worldwide. The company is headquartered in St. Louis, Missouri.

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MKS Instruments Inc

TECHNOLOGY · SCIENTIFIC & TECHNICAL INSTRUMENTS · USA

MKS Instruments, Inc. provides instruments, systems, subsystems, and process control solutions that measure, monitor, deliver, analyze, power, and control critical parameters of manufacturing processes globally. The company is headquartered in Andover, Massachusetts.

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