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OTC · Materials

Biolargo, Inc. (BLGO)

As-reported financials and SEC filings for Biolargo, Inc. The latest annual period is FY2025. The latest reported quarter is Q2 FY2026. Financial statements come straight from the company’s EDGAR filings; valuation figures such as P/E and market cap use market data.

Snapshot

Revenue
$7.8M
Revenue growth (YoY)
-56.3%
Net income
$-15.2M
Diluted EPS
—
Gross margin
—
Operating margin
—
Net margin
—
FCF margin
—
ROE
-995.3%
net income / fiscal-year-end equity
P/E
n/m
not meaningful: a reported loss in the fiscal year or the trailing twelve months
Market cap
$26.3M
Long-term debt / equity
1.36×
non-current term debt only

Fundamentals are from SEC filings for FY2025, the latest annual period (ended December 31, 2025). P/E and market cap are derived from stored market prices, last retrieved on a rolling basis and typically within the past week.

What changed at Biolargo

  • Revenue fell 56.3% to $8M in FY2025, slower than the 45.4% the year before.
  • Operating margin is -191.3% in FY2025, +76.5 pp against -267.8% in FY2021.
  • Most recent quarter Q2 FY2026: revenue $1M, down 55.1% from Q2 FY2025.
  • Net loss widened to $15M in FY2025, from $4M in FY2024.

Computed from the as-reported figures in the statements below. A change we cannot state from filed figures is left out rather than estimated.

Peer comparison

Where Biolargo’s fundamentals sit among the 225 Materials companies. Each figure is ranked only against peers that report it, from lowest (left) to highest (right).

Revenue growth (YoY)-56.3%
2nd percentile of 220
ROE-995.3%
Lowest of 200
Long-term debt / equity1.36×
80th percentile of 156
Short interest1.00d
1st percentile of 221

Biolargo’s return on equity of -995.3% is the lowest of the 200 Materials companies reporting it. Biolargo’s revenue growth of -56.3% ranks in the 2nd percentile of the 220 Materials companies reporting it.

No reported insider transactions (codes P/S) in the last 90 days. For context, about 15% of companies in the universe saw any reported insider purchase (code P) in the same window. Browse insider activity →

Percentiles describe where a figure sits among sector peers reporting it (100th = highest). They are position within a peer group, not a rating, and not investment advice. Short interest ranking uses days to cover from FINRA Consolidated Short Interest data; FINRA is the owner and source of that data, included at no additional charge.

Short interest

Total shares sold short as of each twice-monthly FINRA settlement. Rising short interest means more investors are positioned against the stock; days to cover estimates how many trading days of average volume that position represents.

Shares short
20
settled 2026-09-30
Change vs prior
-98.0%
vs previous settlement
Days to cover
1.00
at avg daily volume
Avg daily volume
702.5K
FINRA reported
SettlementShares shortChangeDays to cover
2026-09-3020-98.0%1.00
2026-09-151.0K-88.6%1.00
2026-08-318.9K-61.9%1.00
2026-08-1423.5K-4.9%1.00
2026-07-3124.7K-75.7%1.00
2026-07-15101.7K+1614.2%1.00
2026-06-305.9K+69.6%1.00
2026-06-153.5K-92.0%1.00

Source: FINRA Consolidated Short Interest. FINRA is the owner and source of the FINRA-supplied data, which is included at no additional charge for your own personal or professional use; republishing or redistributing it is not permitted. Settlement dates are shown; FINRA publishes each settlement about nine business days later, so the latest figure can be two to four weeks old. Not presented as a percentage of float. No FINRA endorsement of this product is implied. Not investment advice.

Income statement (as reported)

 FY2025FY2024FY2023FY2022FY2021
Revenue$7.8M$17.8M$12.2M$5.9M$2.5M
Gross profit
Operating income$-14.9M$-4.3M$-4.6M$-5.4M$-6.8M
Net income$-15.2M$-4.3M$-4.6M$-5.1M$-6.9M
Diluted EPS—————

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (tap or hover a figure to see how it was calculated or what was filed). Full details: where the numbers come from.

Balance sheet (as reported)

 FY2025FY2024FY2023FY2022FY2021
Cash and equivalents$3.9M$3.5M$3.5M$1.9M$962,000
Current assets$5.1M$7.1M$6.4M$3.2M$1.8M
Total assets$8.3M$10.5M$8.2M$4.9M$3.0M
Current liabilities$5.1M$2.6M$2.7M$1.6M$1.4M
Long-term debt$2.1M$1.1M$289,000$237,000$180,000
Total liabilities$6.8M$4.5M$4.0M$2.8M$2.1M
Total equity$1.5M$6.1M$4.2M$2.0M$933,000

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (tap or hover a figure to see how it was calculated or what was filed). Full details: where the numbers come from.

Cash flow (as reported)

 FY2025FY2024FY2023FY2022FY2021
Operating cash flow$-8.3M$-3.2M$-2.4M$-2.8M$-3.9M
Capital expenditure—————
Free cash flow—————

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (tap or hover a figure to see how it was calculated or what was filed). Full details: where the numbers come from.

Quarterly trend

QuarterRevenueRevenue YoYNet incomeDiluted EPS
Q2 FY2026$1.2M-55.1%$-4.0M—
Q1 FY2026$1.1M-65.9%$-3.4M—
Q4 FY2025-83.1%—
Q3 FY2025$1.1M-74.6%$-7.2M—
Q2 FY2025$2.8M-44.6%$-1.9M—
Q1 FY2025$3.3M-31.3%$-1.9M—
Q4 FY2024-16.3%—
Q3 FY2024$4.4M62.8%$-1.1M—

Latest 8 quarters, from company XBRL filings on SEC EDGAR. A dotted underline marks a fourth-quarter figure we calculated from the full year and the first nine months. Revenue YoY is our calculation too: each quarter against the same quarter a year earlier.

Company facts

ExchangeOTC
SectorMaterials
SIC industryChemicals & Allied Products
Latest annual periodFY2025 (ended December 31, 2025)
Latest reported quarterQ2 FY2026 (ended June 30, 2026)
Oldest indexed filing2005
SEC CIK880242

Selected SEC filings

10-K/A2026-04-30
View on EDGAR →
10-K2026-03-04
View on EDGAR →
10-Q2026-08-14
View on EDGAR →
10-Q2026-05-15
View on EDGAR →
10-Q2025-11-14
View on EDGAR →
8-K/A2026-09-14
View on EDGAR →
8-K2026-09-11
View on EDGAR →
8-K2026-05-06
View on EDGAR →

Largest Materials peers

All Materials companies →

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Data sourced from SEC EDGAR. Figures are as-reported and may be unaudited or restated; verify against the source filing before relying on them. Informational only. Not investment advice.