ERII vs FERG vs BLGO Stock Comparison

Energy Recovery, Ferguson Enterprises and Biolargo Prices as of Oct 27, 2026 Peers: Industry group
ERII Energy Recovery, Inc.
$6.86 +0.7% 1M -61.0% 1Y
Market cap
$354.58M
P/E
23.1x
Revenue (TTM)
$120.57M
Div. yield
–
Water Treatment Industrials
2 wins
BLGO Biolargo, Inc.
$0.07 -22.2% 1M -58.8% 1Y
Market cap
$20.86M
P/E
–
Revenue (TTM)
$4.08M
Div. yield
–
Water Treatment Industrials
1 win

Head to Head

9 decided of 12

Ferguson Enterprises leads on 6 of the 12 questions below (Ferguson Enterprises 6, Energy Recovery 2, Biolargo 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionERIIFERGBLGOLeader
Larger companyMarket capitalisation $354.58M $44.71B $20.86M FERG
Cheaper on earningsLower P/E, profitable companies only 23.1x 22.0x -1.4x FERG
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 21.5x — –
Faster revenue growthRevenue growth, trailing twelve months -15.0% +5.2% -70.9% FERG
More profitableNet margin, trailing twelve months 12.7% 6.5% -354.8% ERII
Better return on capitalReturn on invested capital — 21.7% — –
Less leveragedLower net debt / EBITDA — 1.0x -0.2x BLGO
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -61.0% -8.6% -58.8% FERG
Better 5-year returnAnnualised price return, 5 years -19.4%/yr +8.6%/yr -16.3%/yr FERG
Less volatileAnnualised volatility, 1 year 63.7% 29.8% 91.7% FERG
Higher overall scoreMean of the five percentile scores vs peers 90/100 65/100 12/100 ERII

Percentile Scorecard

ERIIFERGBLGO

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

AxisERIIFERGBLGO
Valuation 95 #2 of 21 44 #26 of 46 10 #19 of 21
Growth 67 #7 of 19 76 #10 of 39 0 #19 of 19
Profitability 88 #3 of 17 87 #6 of 39 6 #16 of 17
Financial Health 100 #1 of 22 48 #25 of 47 10 #20 of 22
Shareholder Returns 100 #1 of 10 71 #10 of 32 33 #7 of 10
Overall 90 65 12
  • ERII ranked among 22 companies in Environmental Equipment
  • FERG ranked among 49 companies in Distribution and Rental
  • BLGO ranked among 22 companies in Environmental Equipment

Price Performance

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

Returns

PeriodERIIFERGBLGOSPY
1 month +0.7%+3.1%-22.2% -0.2%
3 months -18.3%-1.1%-30.0% +3.9%
6 months -38.1%-11.1%-56.3% +8.2%
Year to date -49.1%+3.1%-61.1% +12.9%
1 year -61.0%-8.6%-58.8% +12.3%
3 years -53.8%+51.3%-56.3% +87.4%
3 years, per year -22.7%+14.8%-24.1% +23.3%
5 years -66.0%+51.3%-58.8% +67.9%
5 years, per year -19.4%+8.6%-16.3% +10.9%
10 years -45.7%+333.0%-90.3% +261.1%
10 years, per year -5.9%+15.8%-20.8% +13.7%

Risk

MeasureERIIFERGBLGOSPY
Volatility, 1Y 63.7%29.8%91.7% 12.7%
Downside volatility, 1Y 82.0%30.8%135.9% 12.7%
Beta vs S&P 500, 1Y 1.711.130.23 1.00
Return / volatility, 1Y -0.96-0.29-0.64 0.97
Max drawdown, 5Y -78.3%-43.6%-82.5% -25.4%
From 52-week high -61.0%-14.3%-65.0% -1.2%
52-week high $17.59$267.71$0.20 $779.14
52-week low $6.64$214.24$0.07 $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.

MultipleERIIFERGBLGO
P/E now vs peer median 23.0xmedian 25.6x 22.0xmedian 25.3x -1.6xmedian 25.6x
P/S now vs peer median 2.9xmedian 2.4x 1.4xmedian 1.0x 5.6xmedian 2.4x
EV/EBITDA now vs peer median 14.3xmedian 16.7x 15.0xmedian 13.4x -1.4xmedian 16.7x
P/FCF now vs peer median 9.1xmedian 23.6x 19.7xmedian 21.9x -2.2xmedian 23.6x
P/B now vs peer median 2.0xmedian 2.0x 7.6xmedian 2.6x -8.4xmedian 2.0x
PEG now vs peer median 1.37median 1.68 —median 2.38 —median 1.68

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 monthsERIIFERGBLGO
Revenue $120.57M $31.35B $4.08M
Gross profit $77.18M $9.73B $1.63M
Operating income $14.23M $2.82B -$18.12M
Net income $15.34M $2.03B -$18.79M
Free cash flow $38.60M $2.26B -$10.56M
R&D $12.22M – $3.27M
EPS (diluted) $0.30 $10.42 –
Cash & equivalents $61.44M $820.00M $2.19M
Total debt – $4.13B $4.85M
Shares (diluted) 51.46M 194.80M –
Enterprise value $29.74M $41.93B $6.12M

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
MetricERIIFERGBLGO
P/E 23.0x 22.0x -1.6x
P/FCF 9.1x 19.7x -2.2x
P/Operating cash flow 8.5x 17.0x -2.2x
P/S 2.9x 1.4x 5.6x
P/B 2.0x 7.6x -8.4x
P/Tangible book 2.0x 8.5x -8.4x
EV/EBITDA 14.3x 15.0x -1.4x
EV/EBIT 18.1x 17.0x -1.4x
EV/Revenue 2.1x 1.5x 6.3x
EV/FCF 6.7x 21.1x -2.4x
EV/Operating cash flow 6.2x 18.3x -2.5x
PEG (3Y EPS CAGR) 1.37 – –

Growth

14 metrics
MetricERIIFERGBLGO
Revenue growth (1Y) -15.0% 5.2% -70.9%
Revenue CAGR (3Y) 4.1% – -22.5%
Gross profit growth (1Y) -18.5% 7.5% -74.4%
Gross profit CAGR (3Y) 2.0% – -27.8%
Operating income growth (1Y) -34.1% 17.6% -185.8%
Operating income CAGR (3Y) 17.3% – -60.3%
Net income growth (1Y) -36.4% 31.6% -184.9%
Net income CAGR (3Y) 13.3% – -62.6%
EPS growth (1Y) -32.7% 34.4% –
EPS CAGR (3Y) 16.8% – –
Operating cash flow growth (1Y) 98.7% 35.9% -37.9%
Operating cash flow CAGR (3Y) 62.2% – -62.1%
Free cash flow growth (1Y) 91.3% 42.8% -40.8%
Free cash flow CAGR (3Y) 76.4% – -57.1%

Profitability

14 metrics
MetricERIIFERGBLGO
Gross margin 64.0% 31.0% 40.0%
EBITDA margin 15.0% 10.2% -434.2%
Operating margin 11.8% 9.0% -443.9%
Pretax margin 14.6% 8.3% -458.1%
Net margin 12.7% 6.5% -354.8%
FCF margin 32.0% 7.2% -258.6%
Operating cash flow margin 34.2% 8.3% -252.8%
Return on equity 8.6% 34.0% –
Return on assets 7.5% 11.4% -246.7%
Return on invested capital – 21.7% –
Return on capital employed 7.7% 23.4% -635.4%
Asset turnover 0.6x 1.8x 0.5x
Cash conversion (OCF / net income) 2.7x 1.3x 0.5x
Stock comp / revenue 5.9% 0.3% 59.3%

Financial Health

11 metrics
MetricERIIFERGBLGO
Debt / assets – 23.2% 72.8%
Debt / equity – 0.7x -1.8x
Net debt / EBITDA – 1.0x -0.2x
Debt / FCF – 1.8x -0.5x
Liabilities / assets 12.8% 67.0% 140.9%
Equity / assets 87.2% 33.0% -40.9%
Interest coverage – – -22.5x
Current ratio 8.1x 1.8x 0.7x
Quick ratio 5.8x 0.8x 0.6x
Cash ratio 5.0x 0.1x 0.5x
Altman Z-score 10.78 5.41 -42.03

Shareholder Returns

7 metrics
MetricERIIFERGBLGO
Dividend yield – 1.6% –
Net buyback yield 9.8% 1.9% -2.5%
Shareholder yield 9.8% 3.4% -2.5%
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.

ConsensusERIIFERGBLGO
Forward P/E – 21.5xFY2026 –
EPS, next fiscal year $-0.20FY2026 $10.68FY2026 $-0.05FY2026
EPS growth, next FY -147.6%FY2026 +7.4%FY2026 –
EPS growth, the year after – +20.5% –
Revenue, next fiscal year $69.90MFY2026 $34.30BFY2026 $5.48MFY2026
Revenue growth, next FY -48.2%FY2026 +11.5%FY2026 -29.4%FY2026
Revenue growth, the year after +45.2% -0.7% +180.2%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersERIIFERGBLGO
Held by institutions 85.0% 96.3% –
Institutions holding 197 937 –
Change in shares held, QoQ -1.1% +2.1% –
Institutions buying 120 477 –
Institutions selling 45 343 –
Buyers to sellers 2.67 1.39 –

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.

ERIIFERGBLGO
ERII 1.00 0.19 -0.03
FERG 0.19 1.00 0.00
BLGO -0.03 0.00 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, ERII, FERG and BLGO?

Ferguson Enterprises (FERG) is the largest by market capitalisation: Energy Recovery (ERII) $354.58M, Ferguson Enterprises (FERG) $44.71B, Biolargo (BLGO) $20.86M.

Which stock is cheaper, ERII, FERG and BLGO?

Ferguson Enterprises (FERG) trades on the lowest price-to-earnings ratio (Energy Recovery (ERII) 23.1x, Ferguson Enterprises (FERG) 22.0x, Biolargo (BLGO) -1.4x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Ferguson Enterprises (FERG) grew revenue fastest over the trailing twelve months: Energy Recovery (ERII) -15.0%, Ferguson Enterprises (FERG) +5.2%, Biolargo (BLGO) -70.9%.

Which company is more profitable?

Energy Recovery (ERII) has the highest net margin (Energy Recovery (ERII) 12.7%, Ferguson Enterprises (FERG) 6.5%, Biolargo (BLGO) -354.8%).

Which stock has performed better?

Over the past year Ferguson Enterprises (FERG) returned the most: Energy Recovery (ERII) -61.0%, Ferguson Enterprises (FERG) -8.6%, Biolargo (BLGO) -58.8%. Over five years, Ferguson Enterprises (FERG) compounded fastest (Energy Recovery (ERII) -19.4%/yr, Ferguson Enterprises (FERG) +8.6%/yr, Biolargo (BLGO) -16.3%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Ferguson Enterprises (FERG) has been the steadiest (Energy Recovery (ERII) 63.7%, Ferguson Enterprises (FERG) 29.8%, Biolargo (BLGO) 91.7%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, ERII, FERG and BLGO?

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