BioLargo, Inc. (BLGO) stock

BLGOOTCChemicals & Allied ProductsFiscal year ends December 31

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 14, 2026Score 0/30

$0.07+0.00 (+0.90%)

Close on Oct 19, 2026Market cap $23.27MP/E –Yield –

BioLargo statistics

34 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.

Important dates

Next earnings: –
Last ex-dividend date: No dividends
Fundamentals through: Jun 30, 2026
Share price as of: –

Share statisticsIndustry

Shares Outstanding: 329M; 58M
Shares Change (YoY): 4.71%; 10.8%
Float: 256M; 49M
Shares Held by Insiders: 22.1%; 11.7%
Shares Held by Institutions: 0.04%; 56.4%

MarginsIndustry

Gross Margin: 40.0%; 53.1%
Operating Margin: -443.9%; -38.7%
EBITDA Margin: -443.9%; -27.7%

Returns on capitalIndustry

Return on Invested Capital (ROIC): -2157.8%; -32.9%
Return on Capital Employed (ROCE): -951.8%; -37.9%

Financial positionIndustry

Current Ratio: 0.73; 3.30
Quick Ratio: 0.61; 2.39
Interest Coverage: -22.51; -6.35

GrowthIndustry

Revenue Growth (YoY): -70.9%; 6.82%
Revenue Growth (3Y CAGR): 9.69%; 2.25%
Revenue Growth (5Y CAGR): 26.1%; 6.41%

EfficiencyIndustry

Asset Turnover: 0.43; 0.40
Inventory Turnover: 6.56; 2.73
Revenue Per Employee: $88.76K; $429.29K
Employee Count: 46; 74

Income statement (TTM)Industry

Revenue: $4.08M; $66.37M
Gross Profit: $1.63M; $120.78M
Operating Income: -$18.12M; -$21.37M
EBITDA: -$18.12M; -$17.21M
EPS (Diluted): -$0.05; -$0.76

Balance sheetIndustry

Cash & Short-Term Investments: $2.19M; $68.68M
Net Cash (Debt): $2.19M; $17.76M
Net Cash Per Share: $0.01; $0.80
Equity (Book Value): -$1.85M; $53.89M
Book Value Per Share: -$0.01; $1.50
Tangible Book Value: -$1.85M; $27.13M
Working Capital: -$1.27M; $79.99M

Cash flow (TTM)Industry

Operating Cash Flow: -$10.32M; -$12.38M

Taxes and interestIndustry

Interest Expense: $805.00K; $2.90M

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Oct 19, 2026. The S&P 500 is measured by the SPY fund.

Period	BLGO	S&P 500	Difference	BLGO per year	S&P 500 per year
1 month	-20.6%	+0.6%	−21.2 pts
3 months	-32.9%	+3.4%	−36.3 pts
Year to date	-60.7%	+13.3%	−73.9 pts
1 year	-56.1%	+16.6%	−72.7 pts
3 years	-59.7%	+86.4%	−146.1 pts	-26.1%	+23.1%
5 years	-59.7%	+81.9%	−141.6 pts	-16.6%	+12.7%
10 years	-89.9%	+318.9%	−408.8 pts	-20.5%	+15.4%

Short interest

Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.

0M BLGO shares were sold short on Oct 30, 2026, down 37.8% from the previous report. At recent volumes it would take 1.0 days to buy them back.

Settlement date	Shares short	Change	Avg. daily volume	Days to cover
Oct 30, 2026	120	-37.8%	512,851	1.0
Oct 15, 2026	193	+865.0%	910,109	1.0
Sep 30, 2026	20	-98.0%	702,491	1.0
Sep 15, 2026	1,020	-88.6%	1,096,714	1.0
Aug 31, 2026	8,936	-61.9%	822,827	1.0
Aug 14, 2026	23,480	-4.9%	521,638	1.0
Jul 31, 2026	24,697	-75.7%	550,098	1.0
Jul 15, 2026	101,736	+1614.2%	479,178	1.0
Jun 30, 2026	5,935	+69.6%	865,237	1.0
Jun 15, 2026	3,500	-92.0%	1,656,434	1.0
May 29, 2026	43,975	+3437.8%	1,246,084	1.0
May 15, 2026	1,243	-32.8%	808,134	1.0