BLGO vs BMI vs ERII Stock Comparison

Biolargo, Badger Meter and Energy Recovery Prices as of Oct 27, 2026 Peers: Industry group
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
BMI Badger Meter Inc
$151.82 +17.1% 1M -17.1% 1Y
Market cap
$4.12B
P/E
32.6x
Revenue (TTM)
$881.24M
Div. yield
0.01%
Water Treatment Industrials
6 wins
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

Head to Head

8 decided of 12

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

QuestionBLGOBMIERIILeader
Larger companyMarket capitalisation $20.86M $4.12B $354.58M BMI
Cheaper on earningsLower P/E, profitable companies only -1.4x 32.6x 23.1x ERII
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 32.1x — –
Faster revenue growthRevenue growth, trailing twelve months -70.9% -2.2% -15.0% BMI
More profitableNet margin, trailing twelve months -354.8% 14.4% 12.7% BMI
Better return on capitalReturn on invested capital — — — –
Less leveragedLower net debt / EBITDA -0.2x — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.01% 0.00% –
Better 1-year returnPrice return, last 12 months -58.8% -17.1% -61.0% BMI
Better 5-year returnAnnualised price return, 5 years -16.3%/yr +8.3%/yr -19.4%/yr BMI
Less volatileAnnualised volatility, 1 year 91.7% 49.5% 63.7% BMI
Higher overall scoreMean of the five percentile scores vs peers 12/100 70/100 90/100 ERII

Percentile Scorecard

BLGOBMIERII

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

AxisBLGOBMIERII
Valuation 10 #19 of 21 55 #10 of 21 95 #2 of 21
Growth 0 #19 of 19 61 #8 of 19 67 #7 of 19
Profitability 6 #16 of 17 94 #2 of 17 88 #3 of 17
Financial Health 10 #20 of 22 62 #9 of 22 100 #1 of 22
Shareholder Returns 33 #7 of 10 78 #3 of 10 100 #1 of 10
Overall 12 70 90
  • BLGO ranked among 22 companies in Environmental Equipment
  • BMI ranked among 22 companies in Environmental Equipment
  • ERII ranked among 22 companies in Environmental Equipment

Price Performance

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

Returns

PeriodBLGOBMIERIISPY
1 month -22.2%+17.1%+0.7% -0.2%
3 months -30.0%+12.8%-18.3% +3.9%
6 months -56.3%+28.2%-38.1% +8.2%
Year to date -61.1%-13.0%-49.1% +12.9%
1 year -58.8%-17.1%-61.0% +12.3%
3 years -56.3%+10.1%-53.8% +87.4%
3 years, per year -24.1%+3.3%-22.7% +23.3%
5 years -58.8%+48.8%-66.0% +67.9%
5 years, per year -16.3%+8.3%-19.4% +10.9%
10 years -90.3%+381.5%-45.7% +261.1%
10 years, per year -20.8%+17.0%-5.9% +13.7%

Risk

MeasureBLGOBMIERIISPY
Volatility, 1Y 91.7%49.5%63.7% 12.7%
Downside volatility, 1Y 135.9%55.9%82.0% 12.7%
Beta vs S&P 500, 1Y 0.230.671.71 1.00
Return / volatility, 1Y -0.64-0.35-0.96 0.97
Max drawdown, 5Y -82.5%-55.4%-78.3% -25.4%
From 52-week high -65.0%-19.2%-61.0% -1.2%
52-week high $0.20$187.87$17.59 $779.14
52-week low $0.07$113.41$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.

MultipleBLGOBMIERII
P/E now vs peer median -1.6xmedian 25.6x 34.5xmedian 25.6x 23.0xmedian 25.6x
P/S now vs peer median 5.6xmedian 2.4x 4.9xmedian 2.4x 2.9xmedian 2.4x
EV/EBITDA now vs peer median -1.4xmedian 16.7x 21.0xmedian 16.7x 14.3xmedian 16.7x
P/FCF now vs peer median -2.2xmedian 23.6x 30.5xmedian 23.6x 9.1xmedian 23.6x
P/B now vs peer median -8.4xmedian 2.0x 6.7xmedian 2.0x 2.0xmedian 2.0x
PEG now vs peer median —median 1.68 2.33median 1.68 1.37median 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 monthsBLGOBMIERII
Revenue $4.08M $881.24M $120.57M
Gross profit $1.63M $366.94M $77.18M
Operating income -$18.12M $165.34M $14.23M
Net income -$18.79M $126.53M $15.34M
Free cash flow -$10.56M $142.39M $38.60M
R&D $3.27M – $12.22M
EPS (diluted) – $4.38 $0.30
Cash & equivalents $2.19M $67.93M $61.44M
Total debt $4.85M – –
Shares (diluted) – 28.87M 51.46M
Enterprise value $6.12M $3.53B $29.74M

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
MetricBLGOBMIERII
P/E -1.6x 34.5x 23.0x
P/FCF -2.2x 30.5x 9.1x
P/Operating cash flow -2.2x 27.3x 8.5x
P/S 5.6x 4.9x 2.9x
P/B -8.4x 6.7x 2.0x
P/Tangible book -8.4x 8.8x 2.0x
EV/EBITDA -1.4x 21.0x 14.3x
EV/EBIT -1.4x 25.8x 18.1x
EV/Revenue 6.3x 4.8x 2.1x
EV/FCF -2.4x 30.0x 6.7x
EV/Operating cash flow -2.5x 26.9x 6.2x
PEG (3Y EPS CAGR) – 2.33 1.37

Growth

14 metrics
MetricBLGOBMIERII
Revenue growth (1Y) -70.9% -2.2% -15.0%
Revenue CAGR (3Y) -22.5% 9.6% 4.1%
Gross profit growth (1Y) -74.4% -1.3% -18.5%
Gross profit CAGR (3Y) -27.8% 11.9% 2.0%
Operating income growth (1Y) -185.8% -7.9% -34.1%
Operating income CAGR (3Y) -60.3% 15.1% 17.3%
Net income growth (1Y) -184.9% -8.8% -36.4%
Net income CAGR (3Y) -62.6% 14.0% 13.3%
EPS growth (1Y) – -6.6% -32.7%
EPS CAGR (3Y) – 14.8% 16.8%
Operating cash flow growth (1Y) -37.9% -12.3% 98.7%
Operating cash flow CAGR (3Y) -62.1% 15.9% 62.2%
Free cash flow growth (1Y) -40.8% -14.4% 91.3%
Free cash flow CAGR (3Y) -57.1% 16.2% 76.4%

Profitability

14 metrics
MetricBLGOBMIERII
Gross margin 40.0% 41.6% 64.0%
EBITDA margin -434.2% 23.1% 15.0%
Operating margin -443.9% 18.8% 11.8%
Pretax margin -458.1% 19.1% 14.6%
Net margin -354.8% 14.4% 12.7%
FCF margin -258.6% 16.2% 32.0%
Operating cash flow margin -252.8% 18.0% 34.2%
Return on equity – 19.0% 8.6%
Return on assets -246.7% 13.0% 7.5%
Return on invested capital – – –
Return on capital employed -635.4% 20.1% 7.7%
Asset turnover 0.5x 0.9x 0.6x
Cash conversion (OCF / net income) 0.5x 1.3x 2.7x
Stock comp / revenue 59.3% 1.2% 5.9%

Financial Health

11 metrics
MetricBLGOBMIERII
Debt / assets 72.8% – –
Debt / equity -1.8x – –
Net debt / EBITDA -0.2x – –
Debt / FCF -0.5x – –
Liabilities / assets 140.9% 31.0% 12.8%
Equity / assets -40.9% 69.0% 87.2%
Interest coverage -22.5x – –
Current ratio 0.7x 2.5x 8.1x
Quick ratio 0.6x 1.2x 5.8x
Cash ratio 0.5x 0.5x 5.0x
Altman Z-score -42.03 11.73 10.78

Shareholder Returns

7 metrics
MetricBLGOBMIERII
Dividend yield – 1.1% –
Net buyback yield -2.5% 2.7% 9.8%
Shareholder yield -2.5% 3.8% 9.8%
Payout ratio (earnings) – 37.7% –
Payout ratio (FCF) – 33.5% –
Dividend growth (1Y) – 14.1% –
Dividend CAGR (3Y) – 19.8% –

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.

ConsensusBLGOBMIERII
Forward P/E – 32.1xFY2026 –
EPS, next fiscal year $-0.05FY2026 $4.73FY2026 $-0.20FY2026
EPS growth, next FY – -1.3%FY2026 -147.6%FY2026
EPS growth, the year after – +10.4% –
Revenue, next fiscal year $5.48MFY2026 $930.20MFY2026 $69.90MFY2026
Revenue growth, next FY -29.4%FY2026 +1.5%FY2026 -48.2%FY2026
Revenue growth, the year after +180.2% +10.4% +45.2%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersBLGOBMIERII
Held by institutions – 100.0% 85.0%
Institutions holding – 479 197
Change in shares held, QoQ – +7.9% -1.1%
Institutions buying – 254 120
Institutions selling – 157 45
Buyers to sellers – 1.62 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.

BLGOBMIERII
BLGO 1.00 0.00 -0.03
BMI 0.00 1.00 0.13
ERII -0.03 0.13 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, BLGO, BMI and ERII?

Badger Meter (BMI) is the largest by market capitalisation: Biolargo (BLGO) $20.86M, Badger Meter (BMI) $4.12B, Energy Recovery (ERII) $354.58M.

Which stock is cheaper, BLGO, BMI and ERII?

Energy Recovery (ERII) trades on the lowest price-to-earnings ratio (Biolargo (BLGO) -1.4x, Badger Meter (BMI) 32.6x, Energy Recovery (ERII) 23.1x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Badger Meter (BMI) grew revenue fastest over the trailing twelve months: Biolargo (BLGO) -70.9%, Badger Meter (BMI) -2.2%, Energy Recovery (ERII) -15.0%.

Which company is more profitable?

Badger Meter (BMI) has the highest net margin (Biolargo (BLGO) -354.8%, Badger Meter (BMI) 14.4%, Energy Recovery (ERII) 12.7%).

Which stock has performed better?

Over the past year Badger Meter (BMI) returned the most: Biolargo (BLGO) -58.8%, Badger Meter (BMI) -17.1%, Energy Recovery (ERII) -61.0%. Over five years, Badger Meter (BMI) compounded fastest (Biolargo (BLGO) -16.3%/yr, Badger Meter (BMI) +8.3%/yr, Energy Recovery (ERII) -19.4%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Biolargo (BLGO) 0.00%, Badger Meter (BMI) 0.01%, Energy Recovery (ERII) 0.00%. Biolargo (BLGO) and Energy Recovery (ERII) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Badger Meter (BMI) has been the steadiest (Biolargo (BLGO) 91.7%, Badger Meter (BMI) 49.5%, Energy Recovery (ERII) 63.7%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, BLGO, BMI 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, Badger Meter (BMI) 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.