CLWT vs IDXX vs AIRJ Stock Comparison

Euro Tech Holdings, Idexx Laboratories and AirJoule Technologies Prices as of Oct 29, 2026 Peers: Industry group

Head to Head

6 decided of 12

Idexx Laboratories leads on 5 of the 12 questions below (Idexx Laboratories 5, Euro Tech Holdings 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionCLWTIDXXAIRJLeader
Larger companyMarket capitalisation $9.96M $43.52B $177.13M IDXX
Cheaper on earningsLower P/E, profitable companies only 61.9x 38.2x -2.1x IDXX
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 36.9x — –
Faster revenue growthRevenue growth, trailing twelve months — +12.8% — –
More profitableNet margin, trailing twelve months — 25.0% — –
Better return on capitalReturn on invested capital — 45.6% — –
Less leveragedLower net debt / EBITDA — 0.5x — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +11.5% -8.2% -46.9% CLWT
Better 5-year returnAnnualised price return, 5 years -16.9%/yr -2.9%/yr — IDXX
Less volatileAnnualised volatility, 1 year 89.1% 32.1% 85.3% IDXX
Higher overall scoreMean of the five percentile scores vs peers — 77/100 41/100 IDXX

Percentile Scorecard

CLWTIDXXAIRJ

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

AxisCLWTIDXXAIRJ
Valuation 85 #4 of 21 75 #155 of 624 45 #12 of 21
Growth – 76 #148 of 601 6 #18 of 19
Profitability – 97 #17 of 541 47 #9 of 16
Financial Health 65 #8 of 21 46 #350 of 647 95 #2 of 21
Shareholder Returns – 93 #26 of 359 11 #9 of 10
Overall – 77 41
  • CLWT ranked among 22 companies in Environmental Equipment
  • IDXX ranked among 671 companies in Pharmaceuticals and Biotechnology
  • AIRJ ranked among 22 companies in Environmental Equipment

Price Performance

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

Returns

PeriodCLWTIDXXAIRJSPY
1 month -2.2%+8.0%-30.6% +0.7%
3 months -11.7%+3.1%-37.6% +3.7%
6 months +8.8%+2.7%-11.0% +7.1%
Year to date +13.3%-14.9%-30.5% +12.8%
1 year +11.5%-8.2%-46.9% +11.9%
3 years -4.2%+45.3%-74.3% +85.2%
3 years, per year -1.4%+13.3%-36.5% +22.8%
5 years -60.3%-13.5%— +67.6%
5 years, per year -16.9%-2.9%— +10.9%
10 years -47.5%+448.3%— +262.0%
10 years, per year -6.2%+18.6%— +13.7%

Risk

MeasureCLWTIDXXAIRJSPY
Volatility, 1Y 89.1%32.1%85.3% 12.7%
Downside volatility, 1Y 76.9%31.3%75.6% 12.6%
Beta vs S&P 500, 1Y -0.130.792.59 1.00
Return / volatility, 1Y 0.13-0.26-0.55 0.94
Max drawdown, 5Y -72.8%-51.3%-91.4% -25.4%
From 52-week high -36.7%-24.9%-57.2% -1.2%
52-week high $2.15$766.68$6.40 $779.14
52-week low $1.03$504.70$2.51 $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.

MultipleCLWTIDXXAIRJ
P/E now vs peer median 61.9xmedian 25.4x 39.9xmedian 17.8x -2.3xmedian 25.4x
P/S now vs peer median 0.8xmedian 2.5x 10.0xmedian 9.1x —median 2.5x
EV/EBITDA now vs peer median —median 17.9x 28.6xmedian 15.0x -11.4xmedian 17.9x
P/FCF now vs peer median -7.1xmedian 22.3x 36.2xmedian 21.7x -27.7xmedian 22.3x
P/B now vs peer median 0.6xmedian 1.8x 28.2xmedian 2.2x 0.8xmedian 1.8x
PEG now vs peer median —median 1.73 2.64median 0.35 0.01median 1.73

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 monthsCLWTIDXXAIRJ
Revenue – $4.55B –
Gross profit – $2.84B –
Operating income – $1.46B -$13.96M
Net income – $1.14B -$84.79M
Free cash flow – $1.25B -$7.26M
R&D – $261.47M $607.33K
EPS (diluted) – $14.37 $-1.22
Cash & equivalents $4.28M $196.93M $41.42M
Total debt – $968.86M –
Shares (diluted) 7.60M 79.31M 69.74M
Enterprise value -$9.14M $42.73B $56.75M

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
MetricCLWTIDXXAIRJ
P/E 61.9x 39.9x -2.3x
P/FCF -7.1x 36.2x -27.7x
P/Operating cash flow – 33.1x -27.8x
P/S 0.8x 10.0x –
P/B 0.6x 28.2x 0.8x
P/Tangible book 0.6x 30.0x -0.8x
EV/EBITDA – 28.6x -11.4x
EV/EBIT – 31.7x -11.4x
EV/Revenue – 10.1x –
EV/FCF – 36.8x -22.0x
EV/Operating cash flow – 33.7x -22.1x
PEG (3Y EPS CAGR) – 2.64 0.01

Growth

14 metrics
MetricCLWTIDXXAIRJ
Revenue growth (1Y) – 12.8% –
Revenue CAGR (3Y) – 9.0% –
Gross profit growth (1Y) – 14.4% –
Gross profit CAGR (3Y) – 10.5% –
Operating income growth (1Y) – 16.2% -11.3%
Operating income CAGR (3Y) – 11.7% -46.4%
Net income growth (1Y) – 15.6% -322.5%
Net income CAGR (3Y) – 12.9% -288.6%
EPS growth (1Y) – 18.1% -292.0%
EPS CAGR (3Y) – 15.1% -176.6%
Operating cash flow growth (1Y) – 51.4% 18.3%
Operating cash flow CAGR (3Y) – 22.5% -47.2%
Free cash flow growth (1Y) – 59.9% 18.2%
Free cash flow CAGR (3Y) – 28.4% -47.4%

Profitability

14 metrics
MetricCLWTIDXXAIRJ
Gross margin – 62.4% –
EBITDA margin – 35.4% –
Operating margin – 32.0% –
Pretax margin – 31.3% –
Net margin – 25.0% –
FCF margin – 27.5% –
Operating cash flow margin – 30.1% –
Return on equity – 71.9% -34.6%
Return on assets – 33.4% -28.1%
Return on invested capital – 45.6% –
Return on capital employed – 68.6% -4.7%
Asset turnover – 1.3x –
Cash conversion (OCF / net income) – 1.2x 0.1x
Stock comp / revenue – 1.4% –

Financial Health

11 metrics
MetricCLWTIDXXAIRJ
Debt / assets – 28.1% –
Debt / equity – 0.6x –
Net debt / EBITDA – 0.5x –
Debt / FCF – 0.8x –
Liabilities / assets 22.3% 53.2% 19.0%
Equity / assets 77.7% 46.8% 81.0%
Interest coverage – 38.6x –
Current ratio 2.0x 1.2x 19.7x
Quick ratio 1.4x 0.7x 18.9x
Cash ratio 0.9x 0.2x 18.9x
Altman Z-score – 20.55 –

Shareholder Returns

7 metrics
MetricCLWTIDXXAIRJ
Dividend yield – – –
Net buyback yield – 2.3% -18.1%
Shareholder yield 0.0% 2.3% -18.1%
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.

ConsensusCLWTIDXXAIRJ
Forward P/E – 36.9xFY2026 –
EPS, next fiscal year – $15.63FY2026 $-1.05FY2026
EPS growth, next FY – +19.5%FY2026 –
EPS growth, the year after – +12.9% –
Revenue, next fiscal year – $5.00BFY2026 $168.27KFY2026
Revenue growth, next FY – +16.3%FY2026 +205.9%FY2026
Revenue growth, the year after – +0.6% +3,073.8%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersCLWTIDXXAIRJ
Held by institutions – 93.6% 24.6%
Institutions holding – 1,290 119
Change in shares held, QoQ – +4.1% +8.4%
Institutions buying – 588 84
Institutions selling – 496 19
Buyers to sellers – 1.19 4.42

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.

CLWTIDXXAIRJ
CLWT 1.00 -0.04 0.15
IDXX -0.04 1.00 0.00
AIRJ 0.15 0.00 1.00

Add a Peer

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Frequently Asked Questions

Which is bigger, CLWT, IDXX and AIRJ?

Idexx Laboratories (IDXX) is the largest by market capitalisation: Euro Tech Holdings (CLWT) $9.96M, Idexx Laboratories (IDXX) $43.52B, AirJoule Technologies (AIRJ) $177.13M.

Which stock is cheaper, CLWT, IDXX and AIRJ?

Idexx Laboratories (IDXX) trades on the lowest price-to-earnings ratio (Euro Tech Holdings (CLWT) 61.9x, Idexx Laboratories (IDXX) 38.2x, AirJoule Technologies (AIRJ) -2.1x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which stock has performed better?

Over the past year Euro Tech Holdings (CLWT) returned the most: Euro Tech Holdings (CLWT) +11.5%, Idexx Laboratories (IDXX) -8.2%, AirJoule Technologies (AIRJ) -46.9%. Over five years, Idexx Laboratories (IDXX) compounded fastest (Euro Tech Holdings (CLWT) -16.9%/yr, Idexx Laboratories (IDXX) -2.9%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Idexx Laboratories (IDXX) has been the steadiest (Euro Tech Holdings (CLWT) 89.1%, Idexx Laboratories (IDXX) 32.1%, AirJoule Technologies (AIRJ) 85.3%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, CLWT, IDXX and AIRJ?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Idexx Laboratories (IDXX) leads on 5. 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.