WallStSmart

Nephros Inc (NEPH)vsWest Pharmaceutical Services Inc (WST)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

West Pharmaceutical Services Inc generates 16743% more annual revenue ($3.22B vs $19.12M). WST leads profitability with a 16.9% profit margin vs 4.1%. WST trades at a lower P/E of 44.1x. WST earns a higher WallStSmart Score of 65/100 (C+).

NEPH

Avoid

32

out of 100

Grade: F

Growth: 6.0Profit: 4.5Value: 5.0Quality: 6.5
Piotroski: 3/9Altman Z: -10.50

WST

Buy

65

out of 100

Grade: C+

Growth: 7.3Profit: 8.0Value: 2.7Quality: 8.5
Piotroski: 4/9Altman Z: 4.73
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

NEPHUndervalued (+6.9%)

Margin of Safety

+6.9%

Fair Value

$4.34

Current Price

$3.42

$0.92 discount

UndervaluedFair: $4.34Overvalued
WSTSignificantly Overvalued (-56.0%)

Margin of Safety

-56.0%

Fair Value

$157.79

Current Price

$314.50

$156.71 premium

UndervaluedFair: $157.79Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

NEPH1 strengths · Avg: 10.0/10
Debt/EquityHealth
0.0910/10

Conservative balance sheet, low leverage

WST5 strengths · Avg: 9.0/10
EPS GrowthGrowth
56.1%10/10

Earnings expanding 56.1% YoY

Altman Z-ScoreHealth
4.7310/10

Safe zone — low bankruptcy risk

Debt/EquityHealth
0.119/10

Conservative balance sheet, low leverage

Operating MarginProfitability
21.7%8/10

Strong operational efficiency at 21.7%

Revenue GrowthGrowth
21.0%8/10

Revenue surging 21.0% year-over-year

Areas to Watch

NEPH4 concerns · Avg: 3.0/10
Market CapQuality
$36.80M3/10

Smaller company, higher risk/reward

Return on EquityProfitability
7.3%3/10

ROE of 7.3% — below average capital efficiency

Profit MarginProfitability
4.1%3/10

4.1% margin — thin

Operating MarginProfitability
1.9%3/10

Operating margin of 1.9%

WST2 concerns · Avg: 2.0/10
PEG RatioValuation
3.162/10

Expensive relative to growth rate

P/E RatioValuation
44.1x2/10

Premium valuation, high expectations priced in

Comparative Analysis Report

WallStSmart Research

Bull Case : NEPH

The strongest argument for NEPH centers on Debt/Equity.

Bull Case : WST

The strongest argument for WST centers on EPS Growth, Altman Z-Score, Debt/Equity. Profitability is solid with margins at 16.9% and operating margin at 21.7%. Revenue growth of 21.0% demonstrates continued momentum.

Bear Case : NEPH

The primary concerns for NEPH are Market Cap, Return on Equity, Profit Margin. A P/E of 48.4x leaves little room for execution misses. Thin 4.1% margins leave little buffer for downturns.

Bear Case : WST

The primary concerns for WST are PEG Ratio, P/E Ratio. A P/E of 44.1x leaves little room for execution misses.

Key Dynamics to Monitor

NEPH profiles as a value stock while WST is a growth play — different risk/reward profiles.

NEPH carries more volatility with a beta of 1.50 — expect wider price swings.

WST is growing revenue faster at 21.0% — sustainability is the question.

WST generates stronger free cash flow (47M), providing more financial flexibility.

Bottom Line

WST scores higher overall (65/100 vs 32/100), backed by strong 16.9% margins and 21.0% revenue growth. Both earn "Buy" and "Avoid" ratings respectively — the choice depends on your investment horizon and risk tolerance.

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

Nephros Inc

HEALTHCARE · MEDICAL INSTRUMENTS & SUPPLIES · USA

Nephros, Inc., a commercial stage company, develops and sells water solutions to the medical and commercial markets in the United States. The company is headquartered in South Orange, New Jersey.

West Pharmaceutical Services Inc

HEALTHCARE · MEDICAL INSTRUMENTS & SUPPLIES · USA

West Pharmaceutical Services, Inc. is a designer and manufacturer of injectable pharmaceutical packaging and delivery systems. The company is headquartered in Exton, Pennsylvania.

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