WallStSmart

Thermo Fisher Scientific Inc (TMO)vsVistra Corp. (VST)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Thermo Fisher Scientific Inc generates 155% more annual revenue ($45.20B vs $17.74B). TMO leads profitability with a 15.1% profit margin vs 5.3%. VST appears more attractively valued with a PEG of 1.38. TMO earns a higher WallStSmart Score of 62/100 (C+).

TMO

Buy

62

out of 100

Grade: C+

Growth: 4.7Profit: 7.0Value: 4.0Quality: 5.3
Piotroski: 3/9

VST

Buy

53

out of 100

Grade: C-

Growth: 3.3Profit: 6.0Value: 3.3Quality: 2.5
Piotroski: 2/9Altman Z: 0.73
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

TMOSignificantly Overvalued (-16.1%)

Margin of Safety

-16.1%

Fair Value

$408.60

Current Price

$465.00

$56.40 premium

UndervaluedFair: $408.60Overvalued
VSTSignificantly Overvalued (-53.3%)

Margin of Safety

-53.3%

Fair Value

$101.06

Current Price

$147.72

$46.66 premium

UndervaluedFair: $101.06Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

TMO1 strengths · Avg: 9.0/10
Market CapQuality
$176.32B9/10

Large-cap with strong market position

VST1 strengths · Avg: 9.0/10
Market CapQuality
$52.12B9/10

Large-cap with strong market position

Areas to Watch

TMO3 concerns · Avg: 3.7/10
PEG RatioValuation
1.564/10

Expensive relative to growth rate

P/E RatioValuation
26.1x4/10

Moderate valuation

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

VST4 concerns · Avg: 3.0/10
Price/BookValuation
19.1x4/10

Trading at 19.1x book value

Profit MarginProfitability
5.3%3/10

5.3% margin — thin

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

P/E RatioValuation
70.6x2/10

Premium valuation, high expectations priced in

Comparative Analysis Report

WallStSmart Research

Bull Case : TMO

The strongest argument for TMO centers on Market Cap. Profitability is solid with margins at 15.1% and operating margin at 17.9%.

Bull Case : VST

The strongest argument for VST centers on Market Cap. Revenue growth of 13.6% demonstrates continued momentum. PEG of 1.38 suggests the stock is reasonably priced for its growth.

Bear Case : TMO

The primary concerns for TMO are PEG Ratio, P/E Ratio, Piotroski F-Score.

Bear Case : VST

The primary concerns for VST are Price/Book, Profit Margin, Piotroski F-Score. A P/E of 70.6x leaves little room for execution misses. Debt-to-equity of 3.36 is elevated, increasing financial risk.

Key Dynamics to Monitor

TMO profiles as a mature stock while VST is a value play — different risk/reward profiles.

VST carries more volatility with a beta of 1.45 — expect wider price swings.

VST is growing revenue faster at 13.6% — sustainability is the question.

TMO generates stronger free cash flow (816M), providing more financial flexibility.

Bottom Line

TMO scores higher overall (62/100 vs 53/100), backed by strong 15.1% margins. 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.

Thermo Fisher Scientific Inc

HEALTHCARE · DIAGNOSTICS & RESEARCH · USA

Thermo Fisher Scientific is an American provisioner of scientific instrumentation, reagents and consumables, and software and services to healthcare, life science, and other laboratories in academia, government, and industry (including in the biotechnology and pharmaceutical sectors). Based in Waltham, Massachusetts, Thermo Fisher was created in 2006 by the merger of Thermo Electron and Fisher Scientific, to form a company with US$ 9 billion in combined revenues.

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Vistra Corp.

UTILITIES · UTILITIES - INDEPENDENT POWER PRODUCERS · USA

Vistra Corp. The company is headquartered in Irving, Texas.

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