BLGO vs VLTO vs ERII Stock Comparison

Biolargo, Veralto and Energy Recovery Prices as of Nov 5, 2026 Peers: Industry group
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BLGO Biolargo, Inc.
$0.08 0.0% 1M -50.0% 1Y
Market cap
$23.75M
P/E
–
Revenue (TTM)
$4.08M
Div. yield
–
Water Treatment Industrials
2 wins
VLTO Veralto Corp
$116.55 +20.8% 1M +16.6% 1Y
Market cap
$28.54B
P/E
28.5x
Revenue (TTM)
$5.80B
Div. yield
–
Water Treatment Industrials
6 wins
ERII Energy Recovery, Inc.
$6.70 -5.4% 1M -61.2% 1Y
Market cap
$364.63M
P/E
71.0x
Revenue (TTM)
$99.77M
Div. yield
–
Water Treatment Industrials
1 win

Head to Head

9 decided of 12

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

QuestionBLGOVLTOERIILeader
Larger companyMarket capitalisation $23.75M $28.54B $364.63M VLTO
Cheaper on earningsLower P/E, profitable companies only -1.6x 28.5x 71.0x VLTO
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 25.2x — –
Faster revenue growthRevenue growth, trailing twelve months -70.9% +6.4% -26.2% VLTO
More profitableNet margin, trailing twelve months -354.8% 17.3% 5.1% VLTO
Better return on capitalReturn on invested capital — 17.1% — –
Less leveragedLower net debt / EBITDA -0.2x 0.8x — BLGO
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -50.0% +16.6% -61.2% VLTO
Better 5-year returnAnnualised price return, 5 years -14.0%/yr — -21.5%/yr BLGO
Less volatileAnnualised volatility, 1 year 95.1% 24.4% 63.9% VLTO
Higher overall scoreMean of the five percentile scores vs peers 12/100 75/100 77/100 ERII

Percentile Scorecard

BLGOVLTOERII

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

AxisBLGOVLTOERII
Valuation 11 #18 of 20 79 #5 of 20 84 #4 of 20
Growth 0 #18 of 18 71 #6 of 18 35 #12 of 18
Profitability 6 #16 of 17 100 #1 of 17 69 #6 of 17
Financial Health 5 #20 of 21 55 #10 of 21 95 #2 of 21
Shareholder Returns 36 #8 of 12 73 #4 of 12 100 #1 of 12
Overall 12 75 77
  • BLGO ranked among 21 companies in Environmental Equipment
  • VLTO ranked among 21 companies in Environmental Equipment
  • ERII ranked among 21 companies in Environmental Equipment

Price Performance

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

Returns

PeriodBLGOVLTOERIISPY
1 month 0.0%+20.8%-5.4% -5.9%
3 months -20.0%+18.9%-23.3% -4.6%
6 months -50.0%+31.4%-29.0% +0.2%
Year to date -55.6%+16.8%-50.3% +7.5%
1 year -50.0%+16.6%-61.2% +8.2%
3 years -50.0%+70.7%-63.0% +68.3%
3 years, per year -20.6%+19.5%-28.2% +19.0%
5 years -52.9%—-70.1% +56.5%
5 years, per year -14.0%—-21.5% +9.4%
10 years -88.1%—-28.4% +251.5%
10 years, per year -19.1%—-3.3% +13.4%

Risk

MeasureBLGOVLTOERIISPY
Volatility, 1Y 95.1%24.4%63.9% 13.6%
Downside volatility, 1Y 139.3%21.8%83.5% 14.2%
Beta vs S&P 500, 1Y 0.200.151.63 1.00
Return / volatility, 1Y -0.530.68-0.96 0.60
Max drawdown, 5Y -85.0%-27.6%-78.3% -25.4%
From 52-week high -60.0%-0.4%-61.2% -5.9%
52-week high $0.20$117.02$17.26 $779.14
52-week low $0.06$82.23$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.

MultipleBLGOVLTOERII
P/E now vs peer median -1.8xmedian 36.2x 28.4xmedian 36.2x 66.6xmedian 36.2x
P/S now vs peer median 6.4xmedian 2.5x 4.9xmedian 2.5x 3.4xmedian 2.5x
EV/EBITDA now vs peer median -1.6xmedian 22.1x 21.6xmedian 22.1x 54.6xmedian 22.1x
P/FCF now vs peer median -2.5xmedian 25.4x 26.0xmedian 25.4x 10.5xmedian 25.4x
P/B now vs peer median -9.6xmedian 1.8x 8.8xmedian 1.8x 2.1xmedian 1.8x
PEG now vs peer median —median 2.08 5.09median 2.08 -2.41median 2.08

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 monthsBLGOVLTOERII
Revenue $4.08M $5.80B $99.77M
Gross profit $1.63M $3.49B $60.82M
Operating income -$18.12M $1.27B $777.00K
Net income -$18.79M $1.00B $5.14M
Free cash flow -$10.56M $1.09B $32.36M
R&D $3.27M $278.00M $11.67M
EPS (diluted) – $4.08 $0.10
Cash & equivalents $2.19M $1.79B $42.48M
Total debt $4.85M $2.92B –
Shares (diluted) – 245.30M 51.03M
Enterprise value $9.01M $21.17B $27.07M

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
MetricBLGOVLTOERII
P/E -1.8x 28.4x 66.6x
P/FCF -2.5x 26.0x 10.5x
P/Operating cash flow -2.5x 24.5x 9.7x
P/S 6.4x 4.9x 3.4x
P/B -9.6x 8.8x 2.1x
P/Tangible book -9.6x 11.8x 2.1x
EV/EBITDA -1.6x 21.6x 54.6x
EV/EBIT -1.6x 23.3x 332.2x
EV/Revenue 7.1x 5.1x 2.6x
EV/FCF -2.7x 27.0x 8.0x
EV/Operating cash flow -2.8x 25.5x 7.3x
PEG (3Y EPS CAGR) – 5.09 -2.41

Growth

14 metrics
MetricBLGOVLTOERII
Revenue growth (1Y) -70.9% 6.4% -26.2%
Revenue CAGR (3Y) -22.5% 5.2% -4.2%
Gross profit growth (1Y) -74.4% 6.7% -32.5%
Gross profit CAGR (3Y) -27.8% 6.8% -7.8%
Operating income growth (1Y) -185.8% -0.2% -95.7%
Operating income CAGR (3Y) -60.3% 3.3% -60.9%
Net income growth (1Y) -184.9% 9.7% -73.7%
Net income CAGR (3Y) -62.6% 5.4% -30.7%
EPS growth (1Y) – 12.1% -72.4%
EPS CAGR (3Y) – 5.6% -27.7%
Operating cash flow growth (1Y) -37.9% 10.0% 70.3%
Operating cash flow CAGR (3Y) -62.1% 3.7% 23.6%
Free cash flow growth (1Y) -40.8% 10.9% 62.8%
Free cash flow CAGR (3Y) -57.1% 3.1% 25.9%

Profitability

14 metrics
MetricBLGOVLTOERII
Gross margin 40.0% 60.2% 61.0%
EBITDA margin -434.2% 23.6% 4.7%
Operating margin -443.9% 21.8% 0.8%
Pretax margin -458.1% 20.3% 3.8%
Net margin -354.8% 17.3% 5.1%
FCF margin -258.6% 18.8% 32.4%
Operating cash flow margin -252.8% 19.9% 35.3%
Return on equity – 31.7% 3.0%
Return on assets -246.7% 11.9% 2.6%
Return on invested capital – 17.1% –
Return on capital employed -635.4% 18.8% 0.4%
Asset turnover 0.5x 0.7x 0.5x
Cash conversion (OCF / net income) 0.5x 1.2x 6.8x
Stock comp / revenue 59.3% 1.3% 6.0%

Financial Health

11 metrics
MetricBLGOVLTOERII
Debt / assets 72.8% 35.5% –
Debt / equity -1.8x 0.9x –
Net debt / EBITDA -0.2x 0.8x –
Debt / FCF -0.5x 2.7x –
Liabilities / assets 140.9% 60.7% 13.9%
Equity / assets -40.9% 39.3% 86.1%
Interest coverage -22.5x 13.2x –
Current ratio 0.7x 2.0x 7.2x
Quick ratio 0.6x 1.7x 4.7x
Cash ratio 0.5x 1.1x 4.2x
Altman Z-score -41.82 5.28 9.77

Shareholder Returns

7 metrics
MetricBLGOVLTOERII
Dividend yield – 0.4% –
Net buyback yield -2.2% 1.8% 7.8%
Shareholder yield -2.2% 2.2% 7.8%
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.

ConsensusBLGOVLTOERII
Forward P/E – 25.2xFY2026 –
EPS, next fiscal year $-0.05FY2026 $4.62FY2026 $-0.20FY2026
EPS growth, next FY – +18.5%FY2026 -147.6%FY2026
EPS growth, the year after – +8.0% –
Revenue, next fiscal year $5.48MFY2026 $5.73BFY2026 $69.90MFY2026
Revenue growth, next FY -29.4%FY2026 +4.2%FY2026 -48.2%FY2026
Revenue growth, the year after +180.2% +17.8% +45.2%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersBLGOVLTOERII
Held by institutions – 96.1% 85.0%
Institutions holding – 977 197
Change in shares held, QoQ – +3.3% -1.1%
Institutions buying – 398 120
Institutions selling – 387 45
Buyers to sellers – 1.03 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.

BLGOVLTOERII
BLGO 1.00 0.12 -0.02
VLTO 0.12 1.00 -0.08
ERII -0.02 -0.08 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, BLGO, VLTO and ERII?

Veralto (VLTO) is the largest by market capitalisation: Biolargo (BLGO) $23.75M, Veralto (VLTO) $28.54B, Energy Recovery (ERII) $364.63M.

Which stock is cheaper, BLGO, VLTO and ERII?

Veralto (VLTO) trades on the lowest price-to-earnings ratio (Biolargo (BLGO) -1.6x, Veralto (VLTO) 28.5x, Energy Recovery (ERII) 71.0x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Veralto (VLTO) grew revenue fastest over the trailing twelve months: Biolargo (BLGO) -70.9%, Veralto (VLTO) +6.4%, Energy Recovery (ERII) -26.2%.

Which company is more profitable?

Veralto (VLTO) has the highest net margin (Biolargo (BLGO) -354.8%, Veralto (VLTO) 17.3%, Energy Recovery (ERII) 5.1%).

Which stock has performed better?

Over the past year Veralto (VLTO) returned the most: Biolargo (BLGO) -50.0%, Veralto (VLTO) +16.6%, Energy Recovery (ERII) -61.2%. Over five years, Biolargo (BLGO) compounded fastest (Biolargo (BLGO) -14.0%/yr, Energy Recovery (ERII) -21.5%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Veralto (VLTO) has been the steadiest (Biolargo (BLGO) 95.1%, Veralto (VLTO) 24.4%, Energy Recovery (ERII) 63.9%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, BLGO, VLTO 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, Veralto (VLTO) 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.