Does BIOLARGO, INC. have an economic moat?

Based on its FY2025 SEC filings, the Moat Index scores BIOLARGO, INC. (BLGO) 32.6 out of 100 — below the Shallow-moat bar, so no moat. The four filters behind that score (each 0–100): pricing power 68, returns on capital 0, balance-sheet safety 28, capital discipline 34.

How has BLGO's Moat Score changed over time?

The record logs 2 readings since Jul 17, 2026; the latest reads 32.6 out of 100 (no moat). No tier changes on record yet. The history is append-only — readings are only ever added, never rewritten.

The Moat Index

BIOLARGO, INC.

BLGO · Materials · FY2025 filings · No moat ·

Doesn't clear the bar

No moat

The four filters

Pricing power68

Median gross margin 47.0% over 10y, stable.

Returns on capital0

Median ROIC -138.2%, above the 9% hurdle in 0% of years.

Balance-sheet safety28

Net debt/EBITDA n/ax, interest coverage -28x.

Capital discipline34

Owner earnings trend unclear, share count growing (dilution).

Margin of safety

Above valueOn sale

No price data

Owner earnings (normalized): —
Est. intrinsic value / share: —
Recent price: $0.11
Discount to value: No price data

Conservative model: 9% discount rate, 0% assumed growth (capped at 4%), maintenance capex ≈ min(capex, D&A).

Fundamentals

There's no normalized fundamentals series for BLGO yet — it appears once ingest has processed its filings.

Moat Score history

Moat Score over timeLast scored reading of each day, on the 0–100 scale32.6 / 100

Score history begins Jul 17, 2026 — the record builds from here and can’t be backfilled.

Tier changesSame-methodology crossings of the Wide / Narrow / Shallow bars

None yet — BLGO has read No moat for every logged capture since Jul 17, 2026.

Scores are logged append-only and never overwritten — this record can’t be backfilled, which is exactly why it’s worth keeping.

Materials context

#138 of 214 scored Materials companies, ranked by Moat Score.

Nearest peers by Moat Score

#136NPO ENPRO INC32.8 out of 100, No moatNo moat
#137PRM PERIMETER SOLUTIONS, INC.32.8 out of 100, No moatNo moat
#139HUN Huntsman Corporation32.5 out of 100, No moatNo moat
#140KRO KRONOS WORLDWIDE, INC.32.3 out of 100, No moatNo moat

Compare BLGO with its nearest peers →All Materials companies on the Index →

Common questions about BLGO

Does BIOLARGO, INC. have an economic moat?: Based on its FY2025 SEC filings, the Moat Index scores BIOLARGO, INC. (BLGO) 32.6 out of 100 — below the Shallow-moat bar, so no moat. The four filters behind that score (each 0–100): pricing power 68, returns on capital 0, balance-sheet safety 28, capital discipline 34.
How has BLGO's Moat Score changed over time?: The record logs 2 readings since Jul 17, 2026; the latest reads 32.6 out of 100 (no moat). No tier changes on record yet. The history is append-only — readings are only ever added, never rewritten.

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Scored from primary SEC filings via the public methodology. Educational only — not a recommendation to buy or sell BLGO. See the disclaimer.