NAII vs STE vs CRL Stock Comparison

Natural Alternatives International, Steris and Charles River Laboratories International Prices as of Nov 3, 2026 Peers: Industry group
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STE STERIS plc
$231.15 +10.9% 1M -2.6% 1Y
Market cap
$24.25B
P/E
30.1x
Revenue (TTM)
$6.04B
Div. yield
0.01%
Medical Devices Healthcare
7 wins

Head to Head

10 decided of 12

Steris leads on 7 of the 12 questions below (Steris 7, Natural Alternatives International 2, Charles River Laboratories International 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionNAIISTECRLLeader
Larger companyMarket capitalisation $6.45M $24.25B $15.79B STE
Cheaper on earningsLower P/E, profitable companies only -0.3x 30.1x -66.2x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 20.0x 32.3x STE
Faster revenue growthRevenue growth, trailing twelve months +9.7% +8.4% -0.7% NAII
More profitableNet margin, trailing twelve months -14.5% 13.3% -6.0% STE
Better return on capitalReturn on invested capital -24.9% 9.3% 1.6% STE
Less leveragedLower net debt / EBITDA -0.8x 0.9x 6.3x NAII
Higher dividend yieldTrailing dividend yield 0.00% 0.01% 0.00% –
Better 1-year returnPrice return, last 12 months -61.2% -2.6% +96.7% CRL
Better 5-year returnAnnualised price return, 5 years -39.4%/yr +0.8%/yr -1.5%/yr STE
Less volatileAnnualised volatility, 1 year 67.9% 26.5% 46.5% STE
Higher overall scoreMean of the five percentile scores vs peers 35/100 76/100 48/100 STE

Percentile Scorecard

NAIISTECRL

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

AxisNAIISTECRL
Valuation 40 #7 of 11 82 #42 of 229 70 #4 of 11
Growth 0 #11 of 11 69 #69 of 221 10 #10 of 11
Profitability 40 #7 of 11 89 #24 of 209 70 #4 of 11
Financial Health 58 #6 of 13 64 #87 of 240 42 #8 of 13
Shareholder Returns – 75 #38 of 147 –
Overall 35 76 48
  • NAII ranked among 13 companies in Pharma Services
  • STE ranked among 248 companies in Medical Devices and Diagnostics
  • CRL ranked among 13 companies in Pharma Services

Price Performance

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

Returns

PeriodNAIISTECRLSPY
1 month -28.4%+10.9%+21.3% -2.0%
3 months -54.3%-0.7%+50.0% -2.2%
6 months -59.4%+8.5%+89.8% +4.2%
Year to date -70.4%-8.8%+76.4% +10.6%
1 year -61.2%-2.6%+96.7% +10.4%
3 years -82.7%+6.4%+93.4% +73.6%
3 years, per year -44.3%+2.1%+24.6% +20.2%
5 years -91.8%+4.0%-7.2% +61.6%
5 years, per year -39.4%+0.8%-1.5% +10.1%
10 years -90.9%+258.9%+422.1% +261.3%
10 years, per year -21.4%+13.6%+18.0% +13.7%

Risk

MeasureNAIISTECRLSPY
Volatility, 1Y 67.9%26.5%46.5% 12.8%
Downside volatility, 1Y 76.7%25.8%43.9% 12.8%
Beta vs S&P 500, 1Y 0.870.401.34 1.00
Return / volatility, 1Y -0.90-0.102.08 0.81
Max drawdown, 5Y -92.7%-36.5%-74.7% -25.4%
From 52-week high -78.1%-14.0%-6.4% -3.2%
52-week high $4.83$268.65$375.83 $779.14
52-week low $1.06$199.40$149.93 $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.

MultipleNAIISTECRL
P/E now vs peer median -0.3xmedian 35.6x 28.0xmedian 28.1x -70.9xmedian 35.6x
P/S now vs peer median 0.0xmedian 2.5x 3.7xmedian 2.9x 4.2xmedian 2.5x
EV/EBITDA now vs peer median -1.3xmedian 29.7x 14.7xmedian 18.0x 49.5xmedian 29.7x
P/FCF now vs peer median -0.5xmedian 20.8x 24.3xmedian 24.8x 45.3xmedian 20.8x
P/B now vs peer median 0.1xmedian 2.8x 3.1xmedian 2.3x 5.9xmedian 2.8x
PEG now vs peer median 0.00median 1.97 0.31median 0.95 1.96median 1.97

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 monthsNAIISTECRL
Revenue $142.52M $6.04B $4.00B
Gross profit $9.00M $2.68B $1.31B
Operating income -$18.75M $1.14B $90.14M
Net income -$20.70M $808.10M -$239.23M
Free cash flow -$12.62M $925.60M $370.61M
R&D – $115.10M –
EPS (diluted) $-3.43 $8.22 $-4.97
Cash & equivalents $7.39M $482.30M $192.03M
Total debt $18.69M $1.89B $2.62B
Shares (diluted) 6.03M 97.90M 48.02M
Enterprise value -$21.63M $22.59B $14.99B

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
MetricNAIISTECRL
P/E -0.3x 28.0x -70.9x
P/FCF -0.5x 24.3x 45.3x
P/Operating cash flow -0.7x 17.5x 28.8x
P/S 0.0x 3.7x 4.2x
P/B 0.1x 3.1x 5.9x
P/Tangible book 0.1x 4.0x 6.5x
EV/EBITDA -1.3x 14.7x 49.5x
EV/EBIT -0.9x 21.0x 213.2x
EV/Revenue 0.1x 4.0x 4.8x
EV/FCF -1.4x 25.9x 51.9x
EV/Operating cash flow -2.0x 18.6x 33.0x
PEG (3Y EPS CAGR) 0.00 0.31 1.96

Growth

14 metrics
MetricNAIISTECRL
Revenue growth (1Y) 9.7% 8.4% -0.7%
Revenue CAGR (3Y) -2.6% 9.0% -1.5%
Gross profit growth (1Y) -3.1% 9.1% -0.1%
Gross profit CAGR (3Y) -20.9% 9.6% -5.5%
Operating income growth (1Y) -116.5% 23.1% -27.6%
Operating income CAGR (3Y) -81.5% 11.2% -48.2%
Net income growth (1Y) -52.4% 24.6% -268.7%
Net income CAGR (3Y) -116.9% 89.1% -35.5%
EPS growth (1Y) -50.4% 25.7% -253.8%
EPS CAGR (3Y) -115.5% 89.8% -36.2%
Operating cash flow growth (1Y) -250.3% 1.9% -26.1%
Operating cash flow CAGR (3Y) -48.4% 16.9% -2.3%
Free cash flow growth (1Y) -644.3% 1.8% -35.9%
Free cash flow CAGR (3Y) -24.7% 23.3% 8.6%

Profitability

14 metrics
MetricNAIISTECRL
Gross margin 6.3% 44.4% 32.7%
EBITDA margin -9.9% 27.0% 9.7%
Operating margin -13.2% 18.9% 2.3%
Pretax margin -14.2% 18.0% -4.6%
Net margin -14.5% 13.3% -6.0%
FCF margin -8.9% 15.3% 9.3%
Operating cash flow margin -6.3% 21.3% 14.6%
Return on equity -36.6% 11.2% -8.2%
Return on assets -14.7% 7.5% -3.1%
Return on invested capital -24.9% 9.3% 1.6%
Return on capital employed -18.2% 12.1% 1.4%
Asset turnover 1.0x 0.6x 0.5x
Cash conversion (OCF / net income) 0.4x 1.6x -2.4x
Stock comp / revenue 0.5% 1.0% 2.1%

Financial Health

11 metrics
MetricNAIISTECRL
Debt / assets 14.8% 17.6% 34.8%
Debt / equity 0.4x 0.3x 0.9x
Net debt / EBITDA -0.8x 0.9x 6.3x
Debt / FCF -1.5x 2.0x 7.1x
Liabilities / assets 60.5% 32.7% 62.2%
Equity / assets 39.5% 67.3% 37.8%
Interest coverage – 18.8x 0.8x
Current ratio 1.7x 1.9x 1.3x
Quick ratio 0.5x 1.2x 0.8x
Cash ratio 0.2x 0.4x 0.2x
Altman Z-score 1.38 5.30 3.04

Shareholder Returns

7 metrics
MetricNAIISTECRL
Dividend yield – 1.1% –
Net buyback yield 1.4% 1.5% 1.9%
Shareholder yield 1.4% 2.6% 1.9%
Payout ratio (earnings) – 30.6% –
Payout ratio (FCF) – 26.7% –
Dividend growth (1Y) – 9.9% –
Dividend CAGR (3Y) – 9.7% –

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.

ConsensusNAIISTECRL
Forward P/E – 20.0xFY2026 32.3xFY2026
EPS, next fiscal year – $11.56FY2026 $10.90FY2026
EPS growth, next FY – +13.7%FY2026 +6.0%FY2026
EPS growth, the year after – +13.2% +20.5%
Revenue, next fiscal year – $6.62BFY2026 $3.82BFY2026
Revenue growth, next FY – +11.5%FY2026 -4.9%FY2026
Revenue growth, the year after – -0.3% +0.7%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersNAIISTECRL
Held by institutions 10.5% 97.1% 100.0%
Institutions holding 24 831 571
Change in shares held, QoQ +6.0% +1.1% -0.7%
Institutions buying 8 406 271
Institutions selling 7 301 204
Buyers to sellers 1.14 1.35 1.33

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.

NAIISTECRL
NAII 1.00 0.16 0.12
STE 0.16 1.00 0.35
CRL 0.12 0.35 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, NAII, STE and CRL?

Steris (STE) is the largest by market capitalisation: Natural Alternatives International (NAII) $6.45M, Steris (STE) $24.25B, Charles River Laboratories International (CRL) $15.79B.

Which company is growing faster?

Natural Alternatives International (NAII) grew revenue fastest over the trailing twelve months: Natural Alternatives International (NAII) +9.7%, Steris (STE) +8.4%, Charles River Laboratories International (CRL) -0.7%.

Which company is more profitable?

Steris (STE) has the highest net margin (Natural Alternatives International (NAII) -14.5%, Steris (STE) 13.3%, Charles River Laboratories International (CRL) -6.0%). On return on invested capital, Steris (STE) leads (Natural Alternatives International (NAII) -24.9%, Steris (STE) 9.3%, Charles River Laboratories International (CRL) 1.6%).

Which stock has performed better?

Over the past year Charles River Laboratories International (CRL) returned the most: Natural Alternatives International (NAII) -61.2%, Steris (STE) -2.6%, Charles River Laboratories International (CRL) +96.7%. Over five years, Steris (STE) compounded fastest (Natural Alternatives International (NAII) -39.4%/yr, Steris (STE) +0.8%/yr, Charles River Laboratories International (CRL) -1.5%/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%, Steris (STE) 0.01%, Charles River Laboratories International (CRL) 0.00%. Natural Alternatives International (NAII) and Charles River Laboratories International (CRL) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Steris (STE) has been the steadiest (Natural Alternatives International (NAII) 67.9%, Steris (STE) 26.5%, Charles River Laboratories International (CRL) 46.5%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, NAII, STE and CRL?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Steris (STE) leads on 7. 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.