NAII vs WST vs TEVA Stock Comparison

Natural Alternatives International, West Pharmaceutical Services and Teva Pharmaceutical Industries Prices as of Oct 28, 2026 Peers: Industry group

Head to Head

11 decided of 12

West Pharmaceutical Services leads on 6 of the 12 questions below (West Pharmaceutical Services 6, Teva Pharmaceutical Industries 4, Natural Alternatives International 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionNAIIWSTTEVALeader
Larger companyMarket capitalisation $6.57M $29.58B $48.35B TEVA
Cheaper on earningsLower P/E, profitable companies only -0.3x 52.4x 68.5x WST
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 42.3x 20.8x TEVA
Faster revenue growthRevenue growth, trailing twelve months +9.7% +12.4% +4.1% WST
More profitableNet margin, trailing twelve months -14.5% 17.0% 4.1% WST
Better return on capitalReturn on invested capital -24.9% 16.9% 6.4% WST
Less leveragedLower net debt / EBITDA -0.8x -0.3x 5.0x NAII
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -59.4% +42.6% +102.1% TEVA
Better 5-year returnAnnualised price return, 5 years -38.0%/yr -1.2%/yr +35.6%/yr TEVA
Less volatileAnnualised volatility, 1 year 67.8% 31.2% 37.9% WST
Higher overall scoreMean of the five percentile scores vs peers 32/100 67/100 66/100 WST

Percentile Scorecard

NAIIWSTTEVA

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisNAIIWSTTEVA
Valuation 30 #8 of 11 48 #118 of 227 85 #97 of 625
Growth 0 #11 of 11 39 #134 of 219 83 #102 of 602
Profitability 40 #7 of 11 92 #18 of 205 86 #79 of 549
Financial Health 58 #6 of 13 78 #52 of 237 11 #584 of 654
Shareholder Returns – 78 #30 of 135 –
Overall 32 67 66
  • NAII ranked among 13 companies in Pharma Services
  • WST ranked among 247 companies in Medical Devices and Diagnostics
  • TEVA ranked among 672 companies in Pharmaceuticals and Biotechnology

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodNAIIWSTTEVASPY
1 month -31.8%+7.6%+2.8% +0.9%
3 months -47.7%+19.8%+15.1% +5.9%
6 months -56.6%+36.9%+13.0% +8.5%
Year to date -67.6%+46.9%+28.1% +13.3%
1 year -59.4%+42.6%+102.1% +12.4%
3 years -80.7%+26.0%+392.4% +88.1%
3 years, per year -42.2%+8.0%+70.2% +23.5%
5 years -90.8%-6.0%+357.4% +68.2%
5 years, per year -38.0%-1.2%+35.6% +11.0%
10 years -91.2%+451.6%-5.5% +263.4%
10 years, per year -21.6%+18.6%-0.6% +13.8%

Risk

MeasureNAIIWSTTEVASPY
Volatility, 1Y 67.8%31.2%37.9% 12.7%
Downside volatility, 1Y 76.7%30.9%27.2% 12.7%
Beta vs S&P 500, 1Y 0.860.620.74 1.00
Return / volatility, 1Y -0.881.372.69 0.98
Max drawdown, 5Y -92.3%-59.6%-43.7% -25.4%
From 52-week high -76.0%0.0%-3.6% -0.9%
52-week high $4.83$404.30$41.49 $779.14
52-week low $1.12$230.95$19.78 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleNAIIWSTTEVA
P/E now vs peer median -0.3xmedian 37.4x 50.7xmedian 28.8x 66.0xmedian 17.4x
P/S now vs peer median 0.0xmedian 2.7x 8.6xmedian 3.0x 2.7xmedian 9.1x
EV/EBITDA now vs peer median -1.3xmedian 39.5x 32.8xmedian 17.4x 23.0xmedian 17.1x
P/FCF now vs peer median -0.6xmedian 22.1x 65.1xmedian 25.7x 34.6xmedian 19.0x
P/B now vs peer median 0.1xmedian 3.4x 9.5xmedian 2.4x 6.0xmedian 2.2x
PEG now vs peer median 0.00median 2.08 10.51median 1.03 2.07median 0.34

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsNAIIWSTTEVA
Revenue $142.52M $3.33B $17.32B
Gross profit $9.00M $1.22B $9.09B
Operating income -$18.75M $680.40M $1.60B
Net income -$20.70M $564.90M $708.00M
Free cash flow -$12.62M $436.90M $1.35B
R&D – $74.40M $1.72B
EPS (diluted) $-3.43 $7.92 $0.61
Cash & equivalents $7.39M $435.80M $3.66B
Total debt $63.29M $202.90M $16.59B
Shares (diluted) 6.03M 71.30M 1.17B
Enterprise value -$21.51M $27.20B $35.20B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricNAIIWSTTEVA
P/E -0.3x 50.7x 66.0x
P/FCF -0.6x 65.1x 34.6x
P/Operating cash flow -0.8x 43.0x 24.5x
P/S 0.0x 8.6x 2.7x
P/B 0.1x 9.5x 6.0x
P/Tangible book 0.1x 9.5x 10.8x
EV/EBITDA -1.3x 32.8x 23.0x
EV/EBIT -1.0x 41.5x 37.1x
EV/Revenue 0.1x 8.5x 3.4x
EV/FCF -1.4x 64.6x 44.2x
EV/Operating cash flow -2.1x 42.6x 31.4x
PEG (3Y EPS CAGR) 0.00 10.51 2.07

Growth

14 metrics
MetricNAIIWSTTEVA
Revenue growth (1Y) 9.7% 12.4% 4.1%
Revenue CAGR (3Y) -2.6% 5.1% 4.9%
Gross profit growth (1Y) -3.1% 17.2% 10.1%
Gross profit CAGR (3Y) -20.9% 3.8% 10.0%
Operating income growth (1Y) -116.5% 17.0% 79.3%
Operating income CAGR (3Y) -81.5% 1.3% 49.7%
Net income growth (1Y) -52.4% 15.8% 438.8%
Net income CAGR (3Y) -116.9% 2.9% 31.8%
EPS growth (1Y) -50.4% 17.8% 545.3%
EPS CAGR (3Y) -115.5% 4.8% 31.8%
Operating cash flow growth (1Y) -250.3% -2.1% 36.5%
Operating cash flow CAGR (3Y) -48.4% -2.2% 3.8%
Free cash flow growth (1Y) -644.3% 27.0% 51.5%
Free cash flow CAGR (3Y) -24.7% 3.3% 4.7%

Profitability

14 metrics
MetricNAIIWSTTEVA
Gross margin 6.3% 36.8% 52.5%
EBITDA margin -9.9% 25.9% 15.0%
Operating margin -13.2% 20.5% 9.3%
Pretax margin -14.2% 20.8% 4.1%
Net margin -14.5% 17.0% 4.1%
FCF margin -8.9% 13.1% 7.8%
Operating cash flow margin -6.3% 19.9% 11.0%
Return on equity -36.6% 18.4% 8.9%
Return on assets -14.7% 13.4% 1.8%
Return on invested capital -24.9% 16.9% 6.4%
Return on capital employed -18.2% 19.7% 6.6%
Asset turnover 1.0x 0.8x 0.4x
Cash conversion (OCF / net income) 0.4x 1.2x 2.7x
Stock comp / revenue 0.5% 1.0% 1.0%

Financial Health

11 metrics
MetricNAIIWSTTEVA
Debt / assets 14.8% 5.0% 41.6%
Debt / equity 0.4x 0.1x 2.1x
Net debt / EBITDA -0.8x -0.3x 5.0x
Debt / FCF -1.5x 0.5x 12.3x
Liabilities / assets 60.5% 26.6% 80.5%
Equity / assets 39.5% 73.4% 19.5%
Interest coverage – 151.2x –
Current ratio 1.7x 2.8x 0.9x
Quick ratio 0.5x 1.8x 0.5x
Cash ratio 0.2x 0.7x 0.2x
Altman Z-score 1.38 19.02 0.89

Shareholder Returns

7 metrics
MetricNAIIWSTTEVA
Dividend yield – 0.2% –
Net buyback yield 1.3% 1.5% –
Shareholder yield 1.3% 1.7% 0.0%
Payout ratio (earnings) – 11.0% –
Payout ratio (FCF) – 14.3% –
Dividend growth (1Y) – 3.8% –
Dividend CAGR (3Y) – 3.8% –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusNAIIWSTTEVA
Forward P/E – 42.3xFY2026 20.8xFY2026
EPS, next fiscal year – $9.56FY2026 $1.92FY2026
EPS growth, next FY – +31.1%FY2026 -32.6%FY2026
EPS growth, the year after – +10.6% +66.1%
Revenue, next fiscal year – $3.24BFY2026 $15.65BFY2026
Revenue growth, next FY – +5.6%FY2026 -6.7%FY2026
Revenue growth, the year after – +16.8% +17.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersNAIIWSTTEVA
Held by institutions 10.5% 99.5% 62.7%
Institutions holding 24 833 670
Change in shares held, QoQ +6.0% -0.9% +8.6%
Institutions buying 8 448 359
Institutions selling 7 261 190
Buyers to sellers 1.14 1.72 1.89

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

NAIIWSTTEVA
NAII 1.00 0.10 0.05
WST 0.10 1.00 0.11
TEVA 0.05 0.11 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, NAII, WST and TEVA?

Teva Pharmaceutical Industries (TEVA) is the largest by market capitalisation: Natural Alternatives International (NAII) $6.57M, West Pharmaceutical Services (WST) $29.58B, Teva Pharmaceutical Industries (TEVA) $48.35B.

Which stock is cheaper, NAII, WST and TEVA?

West Pharmaceutical Services (WST) trades on the lowest price-to-earnings ratio (Natural Alternatives International (NAII) -0.3x, West Pharmaceutical Services (WST) 52.4x, Teva Pharmaceutical Industries (TEVA) 68.5x). On next year's consensus earnings, Teva Pharmaceutical Industries (TEVA) is cheapest (West Pharmaceutical Services (WST) 42.3x, Teva Pharmaceutical Industries (TEVA) 20.8x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

West Pharmaceutical Services (WST) grew revenue fastest over the trailing twelve months: Natural Alternatives International (NAII) +9.7%, West Pharmaceutical Services (WST) +12.4%, Teva Pharmaceutical Industries (TEVA) +4.1%.

Which company is more profitable?

West Pharmaceutical Services (WST) has the highest net margin (Natural Alternatives International (NAII) -14.5%, West Pharmaceutical Services (WST) 17.0%, Teva Pharmaceutical Industries (TEVA) 4.1%). On return on invested capital, West Pharmaceutical Services (WST) leads (Natural Alternatives International (NAII) -24.9%, West Pharmaceutical Services (WST) 16.9%, Teva Pharmaceutical Industries (TEVA) 6.4%).

Which stock has performed better?

Over the past year Teva Pharmaceutical Industries (TEVA) returned the most: Natural Alternatives International (NAII) -59.4%, West Pharmaceutical Services (WST) +42.6%, Teva Pharmaceutical Industries (TEVA) +102.1%. Over five years, Teva Pharmaceutical Industries (TEVA) compounded fastest (Natural Alternatives International (NAII) -38.0%/yr, West Pharmaceutical Services (WST) -1.2%/yr, Teva Pharmaceutical Industries (TEVA) +35.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Natural Alternatives International (NAII) 0.00%, West Pharmaceutical Services (WST) 0.00%, Teva Pharmaceutical Industries (TEVA) 0.00%. Natural Alternatives International (NAII) and Teva Pharmaceutical Industries (TEVA) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, West Pharmaceutical Services (WST) has been the steadiest (Natural Alternatives International (NAII) 67.8%, West Pharmaceutical Services (WST) 31.2%, Teva Pharmaceutical Industries (TEVA) 37.9%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, NAII, WST and TEVA?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, West Pharmaceutical Services (WST) leads on 6. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.