AIRJ vs ECL vs TMO Stock Comparison

AirJoule Technologies, Ecolab and Thermo Fisher Scientific Prices as of Oct 27, 2026 Peers: Industry group
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ECL Ecolab Inc.
$291.28 +4.1% 1M +4.1% 1Y
Market cap
$81.65B
P/E
39.3x
Revenue (TTM)
$17.37B
Div. yield
1.00%
Water Treatment Industrials
5 wins

Head to Head

9 decided of 12

Ecolab leads on 5 of the 12 questions below (Ecolab 5, Thermo Fisher Scientific 4). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAIRJECLTMOLeader
Larger companyMarket capitalisation $214.17M $81.65B $256.36B TMO
Cheaper on earningsLower P/E, profitable companies only -2.4x 39.3x 36.4x TMO
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 36.9x 26.8x TMO
Faster revenue growthRevenue growth, trailing twelve months — +9.3% +8.3% ECL
More profitableNet margin, trailing twelve months — — — –
Better return on capitalReturn on invested capital — — — –
Less leveragedLower net debt / EBITDA — — — –
Higher dividend yieldTrailing dividend yield — 1.00% 0.27% ECL
Better 1-year returnPrice return, last 12 months -44.4% +4.1% +23.0% TMO
Better 5-year returnAnnualised price return, 5 years — +5.7%/yr +2.3%/yr ECL
Less volatileAnnualised volatility, 1 year 85.0% 21.9% 29.8% ECL
Higher overall scoreMean of the five percentile scores vs peers 41/100 55/100 51/100 ECL

Percentile Scorecard

AIRJECLTMO

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

AxisAIRJECLTMO
Valuation 50 #11 of 21 35 #14 of 21 50 #113 of 227
Growth 6 #18 of 19 83 #4 of 19 41 #130 of 219
Profitability 44 #10 of 17 81 #4 of 17 70 #63 of 206
Financial Health 95 #2 of 22 19 #18 of 22 –
Shareholder Returns 11 #9 of 10 – 44 #76 of 134
Overall 41 55 51
  • AIRJ ranked among 22 companies in Environmental Equipment
  • ECL ranked among 22 companies in Environmental Equipment
  • TMO 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

PeriodAIRJECLTMOSPY
1 month -28.6%+4.1%+2.9% -0.2%
3 months -32.6%+2.8%+20.3% +3.9%
6 months -7.0%+9.1%+47.4% +8.2%
Year to date -25.9%+11.0%+19.7% +12.9%
1 year -44.4%+4.1%+23.0% +12.3%
3 years -72.7%+85.0%+60.7% +87.4%
3 years, per year -35.1%+22.8%+17.1% +23.3%
5 years —+31.8%+11.8% +67.9%
5 years, per year —+5.7%+2.3% +10.9%
10 years —+153.4%+364.6% +261.1%
10 years, per year —+9.7%+16.6% +13.7%

Risk

MeasureAIRJECLTMOSPY
Volatility, 1Y 85.0%21.9%29.8% 12.7%
Downside volatility, 1Y 75.0%22.0%28.3% 12.7%
Beta vs S&P 500, 1Y 2.570.480.62 1.00
Return / volatility, 1Y -0.520.190.77 0.97
Max drawdown, 5Y -91.4%-44.3%-41.5% -25.4%
From 52-week high -54.4%-5.5%-0.5% -1.2%
52-week high $6.40$308.35$696.55 $779.14
52-week low $2.51$245.73$438.34 $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.

MultipleAIRJECLTMO
P/E now vs peer median -2.4xmedian 25.6x 39.3xmedian 25.6x 36.4xmedian 29.6x
P/S now vs peer median —median 2.4x 4.7xmedian 2.4x 5.4xmedian 2.9x
EV/EBITDA now vs peer median -12.4xmedian 16.7x —median 16.7x —median 17.4x
P/FCF now vs peer median -29.5xmedian 23.6x 41.5xmedian 23.6x 34.0xmedian 22.3x
P/B now vs peer median 0.9xmedian 2.0x 7.8xmedian 2.0x 4.7xmedian 2.3x
PEG now vs peer median 0.01median 1.68 1.98median 1.68 4.80median 1.04

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 monthsAIRJECLTMO
Revenue – $17.37B $47.35B
Operating income -$13.96M $2.90B $8.47B
Net income -$84.79M – $7.09B
Free cash flow -$7.26M – –
R&D $607.33K – $1.40B
EPS (diluted) $-1.22 $7.38 $19.06
Cash & equivalents $41.42M $722.30M $5.46B
Shares (diluted) 69.74M 282.20M 371.00M
Enterprise value $93.80M $81.68B $256.48B

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
MetricAIRJECLTMO
P/E -2.4x 39.3x 36.4x
P/FCF -29.5x 41.5x 34.0x
P/Operating cash flow -29.6x – 27.5x
P/S – 4.7x 5.4x
P/B 0.9x 7.8x 4.7x
P/Tangible book -0.8x 15.2x 7.0x
EV/EBITDA -12.4x – –
EV/EBIT -12.4x – –
EV/Revenue – 4.7x 5.4x
EV/FCF -23.8x – –
EV/Operating cash flow -23.9x – 27.5x
PEG (3Y EPS CAGR) 0.01 1.98 4.80

Growth

14 metrics
MetricAIRJECLTMO
Revenue growth (1Y) – 9.3% 8.3%
Revenue CAGR (3Y) – 4.9% 2.9%
Gross profit growth (1Y) – – –
Gross profit CAGR (3Y) – – –
Operating income growth (1Y) -11.3% 11.3% 12.8%
Operating income CAGR (3Y) -46.4% 17.2% 7.2%
Net income growth (1Y) -322.5% – 7.9%
Net income CAGR (3Y) -288.6% – 6.2%
EPS growth (1Y) -292.0% 6.1% 9.7%
EPS CAGR (3Y) -176.6% 19.8% 7.6%
Operating cash flow growth (1Y) 18.3% – 21.9%
Operating cash flow CAGR (3Y) -47.2% – 4.5%
Free cash flow growth (1Y) 18.2% – –
Free cash flow CAGR (3Y) -47.4% – –

Profitability

14 metrics
MetricAIRJECLTMO
Gross margin – – –
EBITDA margin – – –
Operating margin – – –
Pretax margin – – –
Net margin – – –
FCF margin – – –
Operating cash flow margin – – 19.7%
Return on equity -34.6% 20.4% 13.2%
Return on assets -28.1% 6.9% 6.2%
Return on invested capital – – –
Return on capital employed -4.7% – –
Asset turnover – 0.6x 0.4x
Cash conversion (OCF / net income) 0.1x – 1.3x
Stock comp / revenue – – –

Financial Health

11 metrics
MetricAIRJECLTMO
Debt / assets – – –
Debt / equity – – –
Net debt / EBITDA – – –
Debt / FCF – – –
Liabilities / assets 19.0% 66.4% –
Equity / assets 81.0% 33.6% 47.9%
Interest coverage – – –
Current ratio 19.7x 1.1x 1.8x
Quick ratio 18.9x – –
Cash ratio 18.9x – –
Altman Z-score – – –

Shareholder Returns

7 metrics
MetricAIRJECLTMO
Dividend yield – 1.0% 0.3%
Net buyback yield -17.0% – –
Shareholder yield -17.0% 1.0% 0.3%
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.

ConsensusAIRJECLTMO
Forward P/E – 36.9xFY2026 26.8xFY2026
EPS, next fiscal year $-1.05FY2026 $7.90FY2026 $25.91FY2026
EPS growth, next FY – +4.9%FY2026 +13.3%FY2026
EPS growth, the year after – +23.2% +2.0%
Revenue, next fiscal year $168.27KFY2026 $17.26BFY2026 $50.12BFY2026
Revenue growth, next FY +205.9%FY2026 +7.3%FY2026 +12.5%FY2026
Revenue growth, the year after +3,073.8% +5.4% -2.8%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAIRJECLTMO
Held by institutions 24.6% 80.0% 90.2%
Institutions holding 119 1,710 2,622
Change in shares held, QoQ +8.4% +1.4% +0.8%
Institutions buying 84 762 1,142
Institutions selling 19 679 1,144
Buyers to sellers 4.42 1.12 1.00

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.

AIRJECLTMO
AIRJ 1.00 0.11 0.05
ECL 0.11 1.00 0.22
TMO 0.05 0.22 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AIRJ, ECL and TMO?

Thermo Fisher Scientific (TMO) is the largest by market capitalisation: AirJoule Technologies (AIRJ) $214.17M, Ecolab (ECL) $81.65B, Thermo Fisher Scientific (TMO) $256.36B.

Which stock is cheaper, AIRJ, ECL and TMO?

Thermo Fisher Scientific (TMO) trades on the lowest price-to-earnings ratio (AirJoule Technologies (AIRJ) -2.4x, Ecolab (ECL) 39.3x, Thermo Fisher Scientific (TMO) 36.4x). On next year's consensus earnings, Thermo Fisher Scientific (TMO) is cheapest (Ecolab (ECL) 36.9x, Thermo Fisher Scientific (TMO) 26.8x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Ecolab (ECL) grew revenue fastest over the trailing twelve months: Ecolab (ECL) +9.3%, Thermo Fisher Scientific (TMO) +8.3%.

Which stock has performed better?

Over the past year Thermo Fisher Scientific (TMO) returned the most: AirJoule Technologies (AIRJ) -44.4%, Ecolab (ECL) +4.1%, Thermo Fisher Scientific (TMO) +23.0%. Over five years, Ecolab (ECL) compounded fastest (Ecolab (ECL) +5.7%/yr, Thermo Fisher Scientific (TMO) +2.3%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Ecolab (ECL) has the highest dividend yield: Ecolab (ECL) 1.00%, Thermo Fisher Scientific (TMO) 0.27%. AirJoule Technologies (AIRJ) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Ecolab (ECL) has been the steadiest (AirJoule Technologies (AIRJ) 85.0%, Ecolab (ECL) 21.9%, Thermo Fisher Scientific (TMO) 29.8%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AIRJ, ECL and TMO?

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