AIRJ vs ERII vs XYL Stock Comparison

AirJoule Technologies, Energy Recovery and Xylem Prices as of Oct 29, 2026 Peers: Industry group
ERII Energy Recovery, Inc.
$7.12 +5.5% 1M -58.5% 1Y
Market cap
$365.13M
P/E
23.8x
Revenue (TTM)
$120.57M
Div. yield
–
Water Treatment Industrials
2 wins
XYL Xylem Inc.
$90.81 -10.0% 1M -40.6% 1Y
Market cap
$22.38B
P/E
20.7x
Revenue (TTM)
$9.06B
Div. yield
0.02%
Water Treatment Industrials
6 wins

Head to Head

8 decided of 12

Xylem leads on 6 of the 12 questions below (Xylem 6, Energy Recovery 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAIRJERIIXYLLeader
Larger companyMarket capitalisation $175.03M $365.13M $22.38B XYL
Cheaper on earningsLower P/E, profitable companies only -2.1x 23.8x 20.7x XYL
Cheaper on forward earningsLower price / next fiscal year consensus EPS — — 18.5x –
Faster revenue growthRevenue growth, trailing twelve months — -15.0% +1.9% XYL
More profitableNet margin, trailing twelve months — 12.7% 11.9% ERII
Better return on capitalReturn on invested capital — — 8.3% –
Less leveragedLower net debt / EBITDA — — 1.1x –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.02% –
Better 1-year returnPrice return, last 12 months -46.9% -58.5% -40.6% XYL
Better 5-year returnAnnualised price return, 5 years — -18.9%/yr -7.0%/yr XYL
Less volatileAnnualised volatility, 1 year 85.3% 63.8% 30.5% XYL
Higher overall scoreMean of the five percentile scores vs peers 41/100 91/100 79/100 ERII

Percentile Scorecard

AIRJERIIXYL

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

AxisAIRJERIIXYL
Valuation 45 #12 of 21 95 #2 of 21 90 #3 of 21
Growth 6 #18 of 19 72 #6 of 19 89 #3 of 19
Profitability 47 #9 of 16 87 #3 of 16 73 #5 of 16
Financial Health 95 #2 of 21 100 #1 of 21 55 #10 of 21
Shareholder Returns 11 #9 of 10 100 #1 of 10 89 #2 of 10
Overall 41 91 79
  • AIRJ ranked among 22 companies in Environmental Equipment
  • ERII ranked among 22 companies in Environmental Equipment
  • XYL ranked among 22 companies in Environmental Equipment

Price Performance

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

Returns

PeriodAIRJERIIXYLSPY
1 month -30.6%+5.5%-10.0% +0.7%
3 months -37.6%-15.5%-22.3% +3.7%
6 months -11.0%-35.7%-23.1% +7.1%
Year to date -30.5%-47.2%-33.3% +12.8%
1 year -46.9%-58.5%-40.6% +11.9%
3 years -74.3%-49.7%+1.7% +85.2%
3 years, per year -36.5%-20.5%+0.6% +22.8%
5 years —-65.0%-30.5% +67.6%
5 years, per year —-18.9%-7.0% +10.9%
10 years —-43.1%+86.8% +262.0%
10 years, per year —-5.5%+6.4% +13.7%

Risk

MeasureAIRJERIIXYLSPY
Volatility, 1Y 85.3%63.8%30.5% 12.7%
Downside volatility, 1Y 75.6%82.6%36.3% 12.6%
Beta vs S&P 500, 1Y 2.591.700.66 1.00
Return / volatility, 1Y -0.55-0.92-1.33 0.94
Max drawdown, 5Y -91.4%-78.3%-45.4% -25.4%
From 52-week high -57.2%-58.7%-40.6% -1.2%
52-week high $6.40$17.26$152.95 $779.14
52-week low $2.51$6.64$88.24 $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.

MultipleAIRJERIIXYL
P/E now vs peer median -2.3xmedian 25.4x 23.9xmedian 25.4x 19.5xmedian 25.4x
P/S now vs peer median —median 2.5x 3.0xmedian 2.5x 2.3xmedian 2.5x
EV/EBITDA now vs peer median -11.4xmedian 17.9x 15.0xmedian 17.9x 11.9xmedian 17.9x
P/FCF now vs peer median -27.7xmedian 22.3x 9.4xmedian 22.3x 22.6xmedian 22.3x
P/B now vs peer median 0.8xmedian 1.8x 2.1xmedian 1.8x 2.0xmedian 1.8x
PEG now vs peer median 0.01median 1.73 1.43median 1.73 0.62median 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 monthsAIRJERIIXYL
Revenue – $120.57M $9.06B
Gross profit – $77.18M $3.61B
Operating income -$13.96M $14.23M $1.37B
Net income -$84.79M $15.34M $1.08B
Free cash flow -$7.26M $38.60M $921.00M
R&D $607.33K $12.22M $231.00M
EPS (diluted) $-1.22 $0.30 $4.64
Cash & equivalents $41.42M $61.44M $708.00M
Total debt – – $2.90B
Shares (diluted) 69.74M 51.46M 233.04M
Enterprise value $54.66M $40.29M $18.11B

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
MetricAIRJERIIXYL
P/E -2.3x 23.9x 19.5x
P/FCF -27.7x 9.4x 22.6x
P/Operating cash flow -27.8x 8.8x 16.4x
P/S – 3.0x 2.3x
P/B 0.8x 2.1x 2.0x
P/Tangible book -0.8x 2.1x 2.6x
EV/EBITDA -11.4x 15.0x 11.9x
EV/EBIT -11.4x 19.1x 16.8x
EV/Revenue – 2.3x 2.5x
EV/FCF -22.0x 7.0x 25.0x
EV/Operating cash flow -22.1x 6.6x 18.1x
PEG (3Y EPS CAGR) 0.01 1.43 0.62

Growth

14 metrics
MetricAIRJERIIXYL
Revenue growth (1Y) – -15.0% 1.9%
Revenue CAGR (3Y) – 4.1% 10.3%
Gross profit growth (1Y) – -18.5% 6.0%
Gross profit CAGR (3Y) – 2.0% 12.5%
Operating income growth (1Y) -11.3% -34.1% 20.7%
Operating income CAGR (3Y) -46.4% 17.3% 29.1%
Net income growth (1Y) -322.5% -36.4% 14.1%
Net income CAGR (3Y) -288.6% 13.3% 30.0%
EPS growth (1Y) -292.0% -32.7% 19.6%
EPS CAGR (3Y) -176.6% 16.8% 31.7%
Operating cash flow growth (1Y) 18.3% 98.7% -0.1%
Operating cash flow CAGR (3Y) -47.2% 62.2% 19.6%
Free cash flow growth (1Y) 18.2% 91.3% -0.4%
Free cash flow CAGR (3Y) -47.4% 76.4% 21.9%

Profitability

14 metrics
MetricAIRJERIIXYL
Gross margin – 64.0% 39.8%
EBITDA margin – 15.0% 21.3%
Operating margin – 11.8% 15.1%
Pretax margin – 14.6% 14.8%
Net margin – 12.7% 11.9%
FCF margin – 32.0% 10.2%
Operating cash flow margin – 34.2% 14.0%
Return on equity -34.6% 8.6% 10.3%
Return on assets -28.1% 7.5% 6.2%
Return on invested capital – – 8.3%
Return on capital employed -4.7% 7.7% 9.5%
Asset turnover – 0.6x 0.5x
Cash conversion (OCF / net income) 0.1x 2.7x 1.2x
Stock comp / revenue – 5.9% 0.6%

Financial Health

11 metrics
MetricAIRJERIIXYL
Debt / assets – – 16.7%
Debt / equity – – 0.3x
Net debt / EBITDA – – 1.1x
Debt / FCF – – 3.1x
Liabilities / assets 19.0% 12.8% 40.7%
Equity / assets 81.0% 87.2% 59.3%
Interest coverage – – 36.1x
Current ratio 19.7x 8.1x 1.4x
Quick ratio 18.9x 5.8x 0.9x
Cash ratio 18.9x 5.0x 0.2x
Altman Z-score – 11.10 2.97

Shareholder Returns

7 metrics
MetricAIRJERIIXYL
Dividend yield – – 1.9%
Net buyback yield -18.1% 9.4% 7.5%
Shareholder yield -18.1% 9.4% 9.4%
Payout ratio (earnings) – – 37.4%
Payout ratio (FCF) – – 44.0%
Dividend growth (1Y) – – 6.6%
Dividend CAGR (3Y) – – 14.1%

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.

ConsensusAIRJERIIXYL
Forward P/E – – 18.5xFY2026
EPS, next fiscal year $-1.05FY2026 $-0.20FY2026 $5.26FY2026
EPS growth, next FY – -147.6%FY2026 +3.5%FY2026
EPS growth, the year after – – +13.7%
Revenue, next fiscal year $168.27KFY2026 $69.90MFY2026 $9.81BFY2026
Revenue growth, next FY +205.9%FY2026 -48.2%FY2026 +8.5%FY2026
Revenue growth, the year after +3,073.8% +45.2% +0.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAIRJERIIXYL
Held by institutions 24.6% 85.0% 92.0%
Institutions holding 119 197 1,093
Change in shares held, QoQ +8.4% -1.1% +0.2%
Institutions buying 84 120 489
Institutions selling 19 45 447
Buyers to sellers 4.42 2.67 1.09

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.

AIRJERIIXYL
AIRJ 1.00 0.13 0.08
ERII 0.13 1.00 0.10
XYL 0.08 0.10 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AIRJ, ERII and XYL?

Xylem (XYL) is the largest by market capitalisation: AirJoule Technologies (AIRJ) $175.03M, Energy Recovery (ERII) $365.13M, Xylem (XYL) $22.38B.

Which stock is cheaper, AIRJ, ERII and XYL?

Xylem (XYL) trades on the lowest price-to-earnings ratio (AirJoule Technologies (AIRJ) -2.1x, Energy Recovery (ERII) 23.8x, Xylem (XYL) 20.7x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Xylem (XYL) grew revenue fastest over the trailing twelve months: Energy Recovery (ERII) -15.0%, Xylem (XYL) +1.9%.

Which company is more profitable?

Energy Recovery (ERII) has the highest net margin (Energy Recovery (ERII) 12.7%, Xylem (XYL) 11.9%).

Which stock has performed better?

Over the past year Xylem (XYL) returned the most: AirJoule Technologies (AIRJ) -46.9%, Energy Recovery (ERII) -58.5%, Xylem (XYL) -40.6%. Over five years, Xylem (XYL) compounded fastest (Energy Recovery (ERII) -18.9%/yr, Xylem (XYL) -7.0%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: AirJoule Technologies (AIRJ) 0.00%, Energy Recovery (ERII) 0.00%, Xylem (XYL) 0.02%. AirJoule Technologies (AIRJ) and Energy Recovery (ERII) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Xylem (XYL) has been the steadiest (AirJoule Technologies (AIRJ) 85.3%, Energy Recovery (ERII) 63.8%, Xylem (XYL) 30.5%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AIRJ, ERII and XYL?

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