Quest Diagnostics Incorporated (DGX)vsIDEXX Laboratories Inc (IDXX)
DGX
Quest Diagnostics Incorporated
$200.29
+2.13%
HEALTHCARE · Cap: $22.48B
IDXX
IDEXX Laboratories Inc
$562.16
-0.46%
HEALTHCARE · Cap: $44.24B
Smart Verdict
WallStSmart Research — data-driven comparison
Quest Diagnostics Incorporated generates 154% more annual revenue ($11.28B vs $4.45B). IDXX leads profitability with a 24.6% profit margin vs 9.1%. DGX appears more attractively valued with a PEG of 1.56. IDXX earns a higher WallStSmart Score of 63/100 (C+).
DGX
Buy58
out of 100
Grade: C
IDXX
Buy63
out of 100
Grade: C+
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Intrinsic value data unavailable for DGX.
Margin of Safety
-53.1%
Fair Value
$423.77
Current Price
$562.16
$138.39 premium
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
No standout strengths identified
Every $100 of equity generates 70 in profit
Strong operational efficiency at 31.8%
Safe zone — low bankruptcy risk
Keeps 25 of every $100 in revenue as profit
Areas to Watch
Expensive relative to growth rate
Expensive relative to growth rate
Premium valuation, high expectations priced in
Trading at 28.6x book value
Comparative Analysis Report
WallStSmart ResearchBull Case : DGX
DGX has a balanced fundamental profile.
Bull Case : IDXX
The strongest argument for IDXX centers on Return on Equity, Operating Margin, Altman Z-Score. Profitability is solid with margins at 24.6% and operating margin at 31.8%. Revenue growth of 14.3% demonstrates continued momentum.
Bear Case : DGX
The primary concerns for DGX are PEG Ratio.
Bear Case : IDXX
The primary concerns for IDXX are PEG Ratio, P/E Ratio, Price/Book. A P/E of 41.3x leaves little room for execution misses.
Key Dynamics to Monitor
DGX profiles as a value stock while IDXX is a mature play — different risk/reward profiles.
IDXX carries more volatility with a beta of 1.54 — expect wider price swings.
IDXX is growing revenue faster at 14.3% — sustainability is the question.
IDXX generates stronger free cash flow (234M), providing more financial flexibility.
Bottom Line
IDXX scores higher overall (63/100 vs 58/100), backed by strong 24.6% margins and 14.3% 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.
Quest Diagnostics Incorporated
HEALTHCARE · DIAGNOSTICS & RESEARCH · USA
Quest Diagnostics is an American clinical laboratory. A Fortune 500 company, Quest operates in the United States, Puerto Rico, Mexico, and Brazil. Quest also maintains collaborative agreements with various hospitals and clinics across the globe.
IDEXX Laboratories Inc
HEALTHCARE · DIAGNOSTICS & RESEARCH · USA
IDEXX Laboratories, Inc. is an American multinational corporation engaged in the development, manufacture, and distribution of products and services for the companion animal veterinary, livestock and poultry, water testing, and dairy markets.
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