NWPX vs IDXX vs ERII Stock Comparison

NWPX Infrastructure, Idexx Laboratories and Energy Recovery Prices as of Nov 2, 2026 Peers: Industry group
ERII Energy Recovery, Inc.
$7.18 +6.1% 1M -58.0% 1Y
Market cap
$367.43M
P/E
24.1x
Revenue (TTM)
$120.57M
Div. yield
–
Water Treatment Industrials
1 win

Head to Head

11 decided of 12

NWPX Infrastructure leads on 6 of the 12 questions below (NWPX Infrastructure 6, Idexx Laboratories 4, Energy Recovery 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionNWPXIDXXERIILeader
Larger companyMarket capitalisation $954.87M $52.97B $367.43M IDXX
Cheaper on earningsLower P/E, profitable companies only 17.9x 46.5x 24.1x NWPX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 19.1x 43.0x — NWPX
Faster revenue growthRevenue growth, trailing twelve months +15.9% +12.8% -15.0% NWPX
More profitableNet margin, trailing twelve months 8.9% 25.0% 12.7% IDXX
Better return on capitalReturn on invested capital 12.5% 45.6% — IDXX
Less leveragedLower net debt / EBITDA 0.2x 0.5x — NWPX
Higher dividend yieldTrailing dividend yield — — — –
Better 1-year returnPrice return, last 12 months +64.8% +6.7% -58.0% NWPX
Better 5-year returnAnnualised price return, 5 years +31.9%/yr +1.4%/yr -19.5%/yr NWPX
Less volatileAnnualised volatility, 1 year 39.1% 35.5% 64.0% IDXX
Higher overall scoreMean of the five percentile scores vs peers 77/100 77/100 88/100 ERII

Percentile Scorecard

NWPXIDXXERII

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

AxisNWPXIDXXERII
Valuation 100 #1 of 20 74 #164 of 623 95 #2 of 20
Growth 94 #2 of 18 75 #149 of 601 65 #7 of 18
Profitability 75 #5 of 17 97 #17 of 553 81 #4 of 17
Financial Health 70 #7 of 21 46 #356 of 654 100 #1 of 21
Shareholder Returns 44 #6 of 10 93 #26 of 367 100 #1 of 10
Overall 77 77 88
  • NWPX ranked among 21 companies in Environmental Equipment
  • IDXX ranked among 671 companies in Pharmaceuticals and Biotechnology
  • ERII ranked among 21 companies in Environmental Equipment

Price Performance

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

Returns

PeriodNWPXIDXXERIISPY
1 month -6.5%+29.6%+6.1% -2.3%
3 months -22.2%+18.3%-19.4% -0.7%
6 months -7.0%+19.3%-34.7% +4.8%
Year to date +58.7%-0.7%-46.8% +10.3%
1 year +64.8%+6.7%-58.0% +10.3%
3 years +248.1%+56.5%-60.3% +73.0%
3 years, per year +51.6%+16.1%-26.5% +20.1%
5 years +298.2%+7.3%-66.2% +61.9%
5 years, per year +31.9%+1.4%-19.5% +10.1%
10 years +610.8%+537.0%-38.9% +258.6%
10 years, per year +21.7%+20.3%-4.8% +13.6%

Risk

MeasureNWPXIDXXERIISPY
Volatility, 1Y 39.1%35.5%64.0% 12.8%
Downside volatility, 1Y 34.3%31.8%83.3% 12.8%
Beta vs S&P 500, 1Y 1.280.751.69 1.00
Return / volatility, 1Y 1.660.19-0.91 0.80
Max drawdown, 5Y -35.8%-50.9%-78.3% -25.4%
From 52-week high -33.9%-12.4%-58.4% -3.5%
52-week high $149.94$766.68$17.26 $779.14
52-week low $53.85$504.70$6.64 $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.

MultipleNWPXIDXXERII
P/E now vs peer median 17.9xmedian 28.7x 46.5xmedian 17.4x 24.1xmedian 28.7x
P/S now vs peer median 1.6xmedian 2.5x 11.6xmedian 8.9x 3.0xmedian 2.5x
EV/EBITDA now vs peer median 10.5xmedian 21.3x 33.3xmedian 17.0x 15.2xmedian 21.3x
P/FCF now vs peer median 11.0xmedian 25.6x 42.2xmedian 21.4x 9.5xmedian 25.6x
P/B now vs peer median 2.2xmedian 2.1x 32.9xmedian 2.1x 2.1xmedian 2.1x
PEG now vs peer median 0.55median 1.77 3.08median 0.35 1.44median 1.77

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 monthsNWPXIDXXERII
Revenue $602.76M $4.55B $120.57M
Gross profit $125.97M $2.84B $77.18M
Operating income $71.15M $1.46B $14.23M
Net income $53.48M $1.14B $15.34M
Free cash flow $86.83M $1.25B $38.60M
R&D – $261.47M $12.22M
EPS (diluted) $5.45 $14.37 $0.30
Cash & equivalents $6.06M $196.93M $61.44M
Total debt $21.50M $968.86M –
Shares (diluted) 9.81M 79.31M 51.46M
Enterprise value $912.96M $52.19B $42.60M

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
MetricNWPXIDXXERII
P/E 17.9x 46.5x 24.1x
P/FCF 11.0x 42.2x 9.5x
P/Operating cash flow 8.9x 38.6x 8.9x
P/S 1.6x 11.6x 3.0x
P/B 2.2x 32.9x 2.1x
P/Tangible book 2.4x 35.0x 2.1x
EV/EBITDA 10.5x 33.3x 15.2x
EV/EBIT 13.6x 36.8x 19.3x
EV/Revenue 1.6x 11.8x 2.3x
EV/FCF 11.2x 42.8x 7.1x
EV/Operating cash flow 9.1x 39.2x 6.6x
PEG (3Y EPS CAGR) 0.55 3.08 1.44

Growth

14 metrics
MetricNWPXIDXXERII
Revenue growth (1Y) 15.9% 12.8% -15.0%
Revenue CAGR (3Y) 11.0% 9.0% 4.1%
Gross profit growth (1Y) 26.8% 14.4% -18.5%
Gross profit CAGR (3Y) 16.2% 10.5% 2.0%
Operating income growth (1Y) 47.2% 16.2% -34.1%
Operating income CAGR (3Y) 25.2% 11.7% 17.3%
Net income growth (1Y) 46.0% 15.6% -36.4%
Net income CAGR (3Y) 31.4% 12.9% 13.3%
EPS growth (1Y) 46.1% 18.1% -32.7%
EPS CAGR (3Y) 32.7% 15.1% 16.8%
Operating cash flow growth (1Y) 58.5% 51.4% 98.7%
Operating cash flow CAGR (3Y) 43.1% 22.5% 62.2%
Free cash flow growth (1Y) 80.1% 59.9% 91.3%
Free cash flow CAGR (3Y) 92.6% 28.4% 76.4%

Profitability

14 metrics
MetricNWPXIDXXERII
Gross margin 20.9% 62.4% 64.0%
EBITDA margin 15.4% 35.4% 15.0%
Operating margin 11.8% 32.0% 11.8%
Pretax margin 11.4% 31.3% 14.6%
Net margin 8.9% 25.0% 12.7%
FCF margin 14.4% 27.5% 32.0%
Operating cash flow margin 17.7% 30.1% 34.2%
Return on equity 12.5% 71.9% 8.6%
Return on assets 7.9% 33.4% 7.5%
Return on invested capital 12.5% 45.6% –
Return on capital employed 12.9% 68.6% 7.7%
Asset turnover 0.9x 1.3x 0.6x
Cash conversion (OCF / net income) 2.0x 1.2x 2.7x
Stock comp / revenue 1.2% 1.4% 5.9%

Financial Health

11 metrics
MetricNWPXIDXXERII
Debt / assets 3.1% 28.1% –
Debt / equity 0.0x 0.6x –
Net debt / EBITDA 0.2x 0.5x –
Debt / FCF 0.2x 0.8x –
Liabilities / assets 37.0% 53.2% 12.8%
Equity / assets 63.0% 46.8% 87.2%
Interest coverage 48.6x 38.6x –
Current ratio 2.6x 1.2x 8.1x
Quick ratio 1.8x 0.7x 5.8x
Cash ratio 0.0x 0.2x 5.0x
Altman Z-score 4.42 23.02 11.17

Shareholder Returns

7 metrics
MetricNWPXIDXXERII
Dividend yield – – –
Net buyback yield 0.7% 2.0% 9.3%
Shareholder yield 0.7% 2.0% 9.3%
Payout ratio (earnings) – – –
Payout ratio (FCF) – – –
Dividend growth (1Y) – – –
Dividend CAGR (3Y) – – –

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.

ConsensusNWPXIDXXERII
Forward P/E 19.1xFY2026 43.0xFY2026 –
EPS, next fiscal year $5.19FY2026 $15.63FY2026 $-0.20FY2026
EPS growth, next FY +45.8%FY2026 +19.5%FY2026 -147.6%FY2026
EPS growth, the year after -7.5% +12.9% –
Revenue, next fiscal year $573.90MFY2026 $5.00BFY2026 $69.90MFY2026
Revenue growth, next FY +9.1%FY2026 +16.3%FY2026 -48.2%FY2026
Revenue growth, the year after +3.8% +0.6% +45.2%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersNWPXIDXXERII
Held by institutions 89.5% 93.6% 85.0%
Institutions holding 226 1,291 197
Change in shares held, QoQ +4.6% +4.1% -1.1%
Institutions buying 125 589 120
Institutions selling 65 496 45
Buyers to sellers 1.92 1.19 2.67

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.

NWPXIDXXERII
NWPX 1.00 0.08 0.10
IDXX 0.08 1.00 0.14
ERII 0.10 0.14 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, NWPX, IDXX and ERII?

Idexx Laboratories (IDXX) is the largest by market capitalisation: NWPX Infrastructure (NWPX) $954.87M, Idexx Laboratories (IDXX) $52.97B, Energy Recovery (ERII) $367.43M.

Which stock is cheaper, NWPX, IDXX and ERII?

NWPX Infrastructure (NWPX) trades on the lowest price-to-earnings ratio (NWPX Infrastructure (NWPX) 17.9x, Idexx Laboratories (IDXX) 46.5x, Energy Recovery (ERII) 24.1x). On next year's consensus earnings, NWPX Infrastructure (NWPX) is cheapest (NWPX Infrastructure (NWPX) 19.1x, Idexx Laboratories (IDXX) 43.0x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

NWPX Infrastructure (NWPX) grew revenue fastest over the trailing twelve months: NWPX Infrastructure (NWPX) +15.9%, Idexx Laboratories (IDXX) +12.8%, Energy Recovery (ERII) -15.0%.

Which company is more profitable?

Idexx Laboratories (IDXX) has the highest net margin (NWPX Infrastructure (NWPX) 8.9%, Idexx Laboratories (IDXX) 25.0%, Energy Recovery (ERII) 12.7%). On return on invested capital, Idexx Laboratories (IDXX) leads (NWPX Infrastructure (NWPX) 12.5%, Idexx Laboratories (IDXX) 45.6%).

Which stock has performed better?

Over the past year NWPX Infrastructure (NWPX) returned the most: NWPX Infrastructure (NWPX) +64.8%, Idexx Laboratories (IDXX) +6.7%, Energy Recovery (ERII) -58.0%. Over five years, NWPX Infrastructure (NWPX) compounded fastest (NWPX Infrastructure (NWPX) +31.9%/yr, Idexx Laboratories (IDXX) +1.4%/yr, Energy Recovery (ERII) -19.5%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Idexx Laboratories (IDXX) has been the steadiest (NWPX Infrastructure (NWPX) 39.1%, Idexx Laboratories (IDXX) 35.5%, Energy Recovery (ERII) 64.0%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, NWPX, IDXX and ERII?

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