NAII vs STE Stock Comparison

Natural Alternatives International and Steris Prices as of Nov 2, 2026 Peers: Industry group
STE STERIS plc
$233.30 +11.9% 1M -1.0% 1Y
Market cap
$23.86B
P/E
29.6x
Revenue (TTM)
$6.04B
Div. yield
0.01%
Medical Devices Healthcare
7 wins

Head to Head

9 decided of 12

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

QuestionNAIISTELeader
Larger companyMarket capitalisation $6.78M $23.86B STE
Cheaper on earningsLower P/E, profitable companies only -0.3x 29.6x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 20.0x –
Faster revenue growthRevenue growth, trailing twelve months +9.7% +8.4% NAII
More profitableNet margin, trailing twelve months -14.5% 13.3% STE
Better return on capitalReturn on invested capital -24.9% 9.3% STE
Less leveragedLower net debt / EBITDA -0.8x 0.9x NAII
Higher dividend yieldTrailing dividend yield 0.00% 0.01% –
Better 1-year returnPrice return, last 12 months -60.8% -1.0% STE
Better 5-year returnAnnualised price return, 5 years -39.2%/yr +0.9%/yr STE
Less volatileAnnualised volatility, 1 year 68.0% 26.5% STE
Higher overall scoreMean of the five percentile scores vs peers 32/100 76/100 STE

Percentile Scorecard

NAIISTE

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

AxisNAIISTE
Valuation 30 #8 of 11 83 #39 of 227
Growth 0 #11 of 11 69 #69 of 220
Profitability 40 #7 of 11 89 #25 of 209
Financial Health 58 #6 of 13 64 #88 of 240
Shareholder Returns – 74 #37 of 138
Overall 32 76
  • NAII ranked among 13 companies in Pharma Services
  • STE ranked among 247 companies in Medical Devices and Diagnostics

Price Performance

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

Returns

PeriodNAIISTESPY
1 month -27.7%+11.9% -2.3%
3 months -52.9%+0.3% -0.7%
6 months -59.9%+9.9% +4.8%
Year to date -70.1%-8.0% +10.3%
1 year -60.8%-1.0% +10.3%
3 years -82.5%+7.4% +73.0%
3 years, per year -44.1%+2.4% +20.1%
5 years -91.7%+4.8% +61.9%
5 years, per year -39.2%+0.9% +10.1%
10 years -91.3%+255.3% +258.6%
10 years, per year -21.6%+13.5% +13.6%

Risk

MeasureNAIISTESPY
Volatility, 1Y 68.0%26.5% 12.8%
Downside volatility, 1Y 77.0%25.9% 12.8%
Beta vs S&P 500, 1Y 0.870.41 1.00
Return / volatility, 1Y -0.89-0.04 0.80
Max drawdown, 5Y -92.6%-36.5% -25.4%
From 52-week high -77.8%-13.2% -3.5%
52-week high $4.83$268.65 $779.14
52-week low $1.07$199.40 $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.

MultipleNAIISTE
P/E now vs peer median -0.3xmedian 35.0x 28.3xmedian 28.4x
P/S now vs peer median 0.0xmedian 2.5x 3.8xmedian 3.0x
EV/EBITDA now vs peer median -1.3xmedian 28.8x 14.8xmedian 18.0x
P/FCF now vs peer median -0.5xmedian 20.5x 24.6xmedian 25.0x
P/B now vs peer median 0.1xmedian 2.7x 3.1xmedian 2.3x
PEG now vs peer median 0.00median 1.94 0.31median 0.93

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 monthsNAIISTE
Revenue $142.52M $6.04B
Gross profit $9.00M $2.68B
Operating income -$18.75M $1.14B
Net income -$20.70M $808.10M
Free cash flow -$12.62M $925.60M
R&D – $115.10M
EPS (diluted) $-3.43 $8.22
Cash & equivalents $7.39M $482.30M
Total debt $18.69M $1.89B
Shares (diluted) 6.03M 97.90M
Enterprise value -$21.30M $22.20B

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
MetricNAIISTE
P/E -0.3x 28.3x
P/FCF -0.5x 24.6x
P/Operating cash flow -0.7x 17.7x
P/S 0.0x 3.8x
P/B 0.1x 3.1x
P/Tangible book 0.1x 4.0x
EV/EBITDA -1.3x 14.8x
EV/EBIT -0.9x 21.2x
EV/Revenue 0.1x 4.0x
EV/FCF -1.4x 26.1x
EV/Operating cash flow -2.0x 18.7x
PEG (3Y EPS CAGR) 0.00 0.31

Growth

14 metrics
MetricNAIISTE
Revenue growth (1Y) 9.7% 8.4%
Revenue CAGR (3Y) -2.6% 9.0%
Gross profit growth (1Y) -3.1% 9.1%
Gross profit CAGR (3Y) -20.9% 9.6%
Operating income growth (1Y) -116.5% 23.1%
Operating income CAGR (3Y) -81.5% 11.2%
Net income growth (1Y) -52.4% 24.6%
Net income CAGR (3Y) -116.9% 89.1%
EPS growth (1Y) -50.4% 25.7%
EPS CAGR (3Y) -115.5% 89.8%
Operating cash flow growth (1Y) -250.3% 1.9%
Operating cash flow CAGR (3Y) -48.4% 16.9%
Free cash flow growth (1Y) -644.3% 1.8%
Free cash flow CAGR (3Y) -24.7% 23.3%

Profitability

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

Financial Health

11 metrics
MetricNAIISTE
Debt / assets 14.8% 17.6%
Debt / equity 0.4x 0.3x
Net debt / EBITDA -0.8x 0.9x
Debt / FCF -1.5x 2.0x
Liabilities / assets 60.5% 32.7%
Equity / assets 39.5% 67.3%
Interest coverage – 18.8x
Current ratio 1.7x 1.9x
Quick ratio 0.5x 1.2x
Cash ratio 0.2x 0.4x
Altman Z-score 1.38 5.34

Shareholder Returns

7 metrics
MetricNAIISTE
Dividend yield – 1.1%
Net buyback yield 1.4% 1.5%
Shareholder yield 1.4% 2.6%
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.

ConsensusNAIISTE
Forward P/E – 20.0xFY2026
EPS, next fiscal year – $11.56FY2026
EPS growth, next FY – +13.7%FY2026
EPS growth, the year after – +13.2%
Revenue, next fiscal year – $6.62BFY2026
Revenue growth, next FY – +11.5%FY2026
Revenue growth, the year after – -0.3%

Institutional Ownership

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

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.

NAIISTE
NAII 1.00 0.16
STE 0.16 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, NAII and STE?

Steris (STE) is the largest by market capitalisation: Natural Alternatives International (NAII) $6.78M, Steris (STE) $23.86B.

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%.

Which company is more profitable?

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

Which stock has performed better?

Over the past year Steris (STE) returned the most: Natural Alternatives International (NAII) -60.8%, Steris (STE) -1.0%. Over five years, Steris (STE) compounded fastest (Natural Alternatives International (NAII) -39.2%/yr, Steris (STE) +0.9%/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%. Natural Alternatives International (NAII) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Steris (STE) has been the steadiest (Natural Alternatives International (NAII) 68.0%, Steris (STE) 26.5%). Volatility measures how widely the price swings, not the risk of the business.

Do NAII and STE move together?

Their daily returns over the past year have a correlation of 0.16, a weak relationship. Holding both diversifies more than two closely linked stocks would.

Which is the better stock, NAII and STE?

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.