NTRA vs. WST: Natera vs. West Pharmaceutical Services Stock Comparison

November 11, 2026

How do Natera (NTRA) and West Pharmaceutical Services (WST) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

Natera (NTRA) and West Pharmaceutical Services (WST) both fall under the Pharmaceuticals, Biotechnology & Life Sciences industry group, but NTRA is classified in Biotechnology while WST is classified in Life Sciences Tools & Services.

Company profile comparison for Natera (NTRA) and West Pharmaceutical Services (WST)
Profile Item	NTRA	WST
Name	Natera, Inc.	West Pharmaceutical Services Inc.
Country/Region	United States	United States
GICS Sector	Health Care	Health Care
GICS Industry Group	Pharmaceuticals, Biotechnology & Life Sciences	Pharmaceuticals, Biotechnology & Life Sciences
GICS Industry	Biotechnology	Life Sciences Tools & Services
GICS Sub-Industry	Biotechnology	Life Sciences Tools & Services
Market Capitalization	45.05 billion USD	27.85 billion USD
Currency	USD	USD
Exchange	Nasdaq	NYSE
Listing Date	July 1, 2015	March 17, 1980
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

NTRA

WST

GSPC

Natera (NTRA) vs. West Pharmaceutical Services (WST), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for Natera (NTRA) and West Pharmaceutical Services (WST). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Natera (NTRA) and West Pharmaceutical Services (WST). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Natera (NTRA) and West Pharmaceutical Services (WST)
Metric	NTRA	WST
Total Return (1Y)	61.03%	51.68%
Total Return (3Y, Annualized)	92.02%	7.13%
Total Return (5Y, Annualized)	23.20%	0.05%

Risk Profile

Drawdown History

NTRA

WST

GSPC

Natera (NTRA) vs. West Pharmaceutical Services (WST), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for Natera (NTRA) and West Pharmaceutical Services (WST). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Natera (NTRA) and West Pharmaceutical Services (WST)
Metric	NTRA	WST
Volatility (1Y, Annualized)	52.30%	31.45%
Beta (5Y)	1.58	1.13
Max Drawdown (5Y)	-75.72%	-59.29%
Avg. Volume (3M)	1.68M	603.86K

Risk-Adjusted Performance

Risk-Return Positioning

NTRA and WST are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for Natera (NTRA) and West Pharmaceutical Services (WST)
Metric	NTRA	WST
Sharpe Ratio (1Y)	1.09	1.51
Sortino Ratio (1Y)	1.63	2.35

Profitability

ROE (TTM)

Natera (NTRA) reports a negative ROE of -10.55%; negative ROE can reflect losses or negative shareholders’ equity, so it is harder to read as capital efficiency. Meanwhile West Pharmaceutical Services (WST) reports 21.23%, ranking against industry peers normally.

NTRA

Pharmaceuticals, Biotechnology & Life Sciences industry group

-10.55%

Max: 109.18%
Q3: 6.23%
NTRA: -10.55%
Median: -26.66%
Q1: -64.05%
Min: -167.77%

WST

Pharmaceuticals, Biotechnology & Life Sciences industry group

21.23%

Max: 109.18%
WST: 21.23%
Q3: 6.23%
Median: -26.66%
Q1: -64.05%
Min: -167.77%

Natera (NTRA) vs. West Pharmaceutical Services (WST): A comparison of their ROE against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Net Margin (TTM)

Natera (NTRA) reports a negative net margin of -5.66%, usually indicating a net loss over the period. Meanwhile West Pharmaceutical Services (WST) reports 18.81%, ranking against industry peers normally.

NTRA

Pharmaceuticals, Biotechnology & Life Sciences industry group

-5.66%

Max: 18.05%
Q3: 4.78%
Median: 0.00%
Q1: -4.14%
NTRA: -5.66%
Min: -17.05%

WST

Pharmaceuticals, Biotechnology & Life Sciences industry group

18.81%

WST: 18.81%
Max: 18.05%
Q3: 4.78%
Median: 0.00%
Q1: -4.14%
Min: -17.05%

Natera (NTRA) vs. West Pharmaceutical Services (WST): A comparison of their net margin against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Operating Margin (TTM)

Natera (NTRA) reports a negative operating margin of -7.64%, usually indicating that operating costs exceeded revenue at the operating-income line. Meanwhile West Pharmaceutical Services (WST) reports 25.37%, ranking against industry peers normally.

NTRA

Pharmaceuticals, Biotechnology & Life Sciences industry group

-7.64%

Max: 83.12%
Q3: 14.77%
Median: 0.00%
NTRA: -7.64%
Q1: -78.82%
Min: -207.40%

WST

Pharmaceuticals, Biotechnology & Life Sciences industry group

25.37%

Max: 83.12%
WST: 25.37%
Q3: 14.77%
Median: 0.00%
Q1: -78.82%
Min: -207.40%

Natera (NTRA) vs. West Pharmaceutical Services (WST): A comparison of their operating margin against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Profitability Metrics

Profitability metrics for Natera (NTRA) and West Pharmaceutical Services (WST)
Metric	NTRA	WST
ROE (TTM)	-10.55%	21.23%
ROA (TTM)	-6.79%	11.89%
Net Margin (TTM)	-5.66%	18.81%
Operating Margin (TTM)	-7.64%	25.37%
Gross Margin (TTM)	65.14%	37.59%

Growth

Revenue Growth

Both Natera (NTRA) at 35.90% and West Pharmaceutical Services (WST) at 6.25% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.

Natera (NTRA) vs. West Pharmaceutical Services (WST): A comparison of their Revenue Growth across different time periods.

EPS Growth

Only one side can be read here: West Pharmaceutical Services (WST) reports EPS growth of 1.49%, ranked against its industry; Natera (NTRA) has no EPS growth figure this period.

Natera (NTRA) vs. West Pharmaceutical Services (WST): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Natera (NTRA) and West Pharmaceutical Services (WST)
Metric	NTRA	WST
Revenue Growth (YoY)	35.90%	6.25%
Revenue Growth (3Y CAGR)	41.14%	2.12%
EPS Growth (YoY)	--	1.49%
EPS Growth (3Y CAGR)	--	-4.23%

Financial Strength

Current Ratio (MRQ)

Both Natera (NTRA) at 2.81 and West Pharmaceutical Services (WST) at 2.82 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

NTRA

Pharmaceuticals, Biotechnology & Life Sciences industry group

2.81

Max: 25.13
Q3: 12.13
Median: 5.52
NTRA: 2.81
Q1: 2.47
Min: 0.10

WST

Pharmaceuticals, Biotechnology & Life Sciences industry group

2.82

Max: 25.13
Q3: 12.13
Median: 5.52
WST: 2.82
Q1: 2.47
Min: 0.10

Natera (NTRA) vs. West Pharmaceutical Services (WST): A comparison of their current ratio against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Debt / Equity (MRQ)

Both Natera (NTRA) at 0.13 and West Pharmaceutical Services (WST) at 0.11 fund their balance sheets with roughly industry-typical debt-to-equity mixes.

NTRA

Pharmaceuticals, Biotechnology & Life Sciences industry group

0.13

Max: 1.42
Q3: 0.65
Median: 0.15
NTRA: 0.13
Q1: 0.02
Min: 0.00

WST

Pharmaceuticals, Biotechnology & Life Sciences industry group

0.11

Max: 1.42
Q3: 0.65
Median: 0.15
WST: 0.11
Q1: 0.02
Min: 0.00

Natera (NTRA) vs. West Pharmaceutical Services (WST): A comparison of their debt-to-equity ratio against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Natera (NTRA) and West Pharmaceutical Services (WST)
Metric	NTRA	WST
Current Ratio (MRQ)	2.81	2.82
Debt / Equity (MRQ)	0.13	0.11
Net Debt / EBITDA	--	-0.16

Dividends

Dividend Yield (TTM)

Natera (NTRA) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile West Pharmaceutical Services (WST) reports a yield of 0.22%, ranking against industry peers normally.

NTRA

Pharmaceuticals, Biotechnology & Life Sciences industry group

0.00%

NTRA: 0.00%
Max: 0.00%
Q3: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

WST

Pharmaceuticals, Biotechnology & Life Sciences industry group

0.22%

WST: 0.22%
Max: 0.00%
Q3: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Natera (NTRA) vs. West Pharmaceutical Services (WST): A comparison of their dividend yield against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Dividend Payout Ratio (TTM)

Natera (NTRA) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile West Pharmaceutical Services (WST) reports a payout of 9.88%, ranking against industry peers normally.

NTRA

Pharmaceuticals, Biotechnology & Life Sciences industry group

0.00%

NTRA: 0.00%
Max: 0.00%
Q3: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

WST

Pharmaceuticals, Biotechnology & Life Sciences industry group

9.88%

WST: 9.88%
Max: 0.00%
Q3: 0.00%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Natera (NTRA) vs. West Pharmaceutical Services (WST): A comparison of their payout ratio against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Dividend Metrics

Dividend metrics for Natera (NTRA) and West Pharmaceutical Services (WST)
Metric	NTRA	WST
Dividend Yield (TTM)	0.00%	0.22%
Dividend Payout Ratio (TTM)	0.00%	9.88%

Valuation

P/E Ratio (TTM)

An earnings multiple is available for just one side: West Pharmaceutical Services (WST) trades at 44.87 times trailing earnings, ranked against its peers, while Natera (NTRA) has no P/E ratio this period.

NTRA

Pharmaceuticals, Biotechnology & Life Sciences industry group

Max: 85.34
Q3: 43.46
Median: 26.69
Q1: 13.30
Min: 0.07
NTRA: --

WST

Pharmaceuticals, Biotechnology & Life Sciences industry group

44.87

Max: 85.34
WST: 44.87
Q3: 43.46
Median: 26.69
Q1: 13.30
Min: 0.07

Natera (NTRA) vs. West Pharmaceutical Services (WST): NTRA does not report P/E ratio, so it has no value marker; WST is benchmarked against the Pharmaceuticals, Biotechnology & Life Sciences industry group.

P/S Ratio (TTM)

On P/S ratio, both Natera (NTRA) at 15.49 and West Pharmaceutical Services (WST) at 8.20 are priced roughly in line with their industries — neither looks cheap nor rich on a sales basis.

NTRA

Pharmaceuticals, Biotechnology & Life Sciences industry group

15.49

Max: 58.18
Q3: 25.77
NTRA: 15.49
Median: 7.30
Q1: 3.01
Min: 0.01

WST

Pharmaceuticals, Biotechnology & Life Sciences industry group

8.20

Max: 58.18
Q3: 25.77
WST: 8.20
Median: 7.30
Q1: 3.01
Min: 0.01

Natera (NTRA) vs. West Pharmaceutical Services (WST): A comparison of their P/S ratio against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

P/B Ratio (MRQ)

Both look rich against book: West Pharmaceutical Services (WST) at 9.40 sits in the upper P/B ratio quartile, and Natera (NTRA) at 23.99 prices even higher, above its industry range.

NTRA

Pharmaceuticals, Biotechnology & Life Sciences industry group

23.99

NTRA: 23.99
Max: 13.53
Q3: 6.54
Median: 3.25
Q1: 1.69
Min: -5.59

WST

Pharmaceuticals, Biotechnology & Life Sciences industry group

9.40

Max: 13.53
WST: 9.40
Q3: 6.54
Median: 3.25
Q1: 1.69
Min: -5.59

Natera (NTRA) vs. West Pharmaceutical Services (WST): A comparison of their P/B ratio against the Pharmaceuticals, Biotechnology & Life Sciences industry group benchmark.

Valuation Metrics

Valuation metrics for Natera (NTRA) and West Pharmaceutical Services (WST)
Metric	NTRA	WST
P/E Ratio (TTM)	--	44.87
P/S Ratio (TTM)	15.49	8.20
P/B Ratio (MRQ)	23.99	9.40
Free Cash Flow Yield (TTM)	0.19%	1.24%