Skip to main content

BioLargo, Inc.

corporate_fare Company Profile

BioLargo, Inc.

BLGO·OTC·Industrial Applications And Services·CIK 0000880242

BioLargo, Inc. invents, develops, and commercializes various platform technologies in the United States. The company's technologies address challenging environmental problems including per- and polyfluoroalkyl substances (PFAS) water contamination, advanced water and wastewater treatment, industrial odor and volatile organic compounds control, air quality control, and infection control, as well as various environmental remediation needs. BioLargo, Inc. provides full-service environmental engineering, battery energy storage, and advanced antimicrobial medical device platforms. The company is based in Westminster, California.

BioLargo, Inc. (OTC:BLGO) is a publicly traded company in the Industrial Applications And Services sector. Wiseek has independently scored 11 items for BLGO at importance 7 or higher on its 1–10 market-impact scale. Its most recent item scored 7 or higher is dated 2026-08-14, rated 8/10. Across its 11 most recent items scored 7 or higher, the top rating is 9/10, with 9 rated 8 or above. Recent SEC coverage for BLGO spans 10-Q, 8-K, 10-K/A.

Recent high-impact activity:

  • BioLargo Q2 2026: Revenue Plunges 61%, Going Concern Warning Reiterated
  • BioLargo Q1 Revenue Plummets 66% to $1.12M, Net Loss Widens Significantly
  • BioLargo Reports 66% Revenue Drop, Going Concern Warning, and Material Weakness Amid Dilutive Financing
  • BioLargo CEO Details Strategic Partnerships, Major Contracts, and Commercialization Progress Across Subsidiaries
  • Exclusive Distribution Deal Expands ViaCLYR™ Reach to 500M People in MENA

Financial Snapshot

Fiscal year ended December 31, 2025
Revenue
$7.76M
Net Income
-$15.19M
Op. Cash Flow
-$8.3M
Gross Profit
$3.41M
Operating Income
-$14.86M
Cash & Equivalents
$3.88M
Total Debt
$2.08M
Debt / Equity
0.51×
Net Margin
-195.6%
Shares Outstanding
306.95M sh
Source: 10-K · filed 2026-04-30 · accession 0001437749-26-014184

Short Interest & Short Volume

1.00 days to cover

FINRA reported short interest of 1,020 shares in BLGO as of the September 15, 2026 settlement, a 88.6% decrease from the prior period — about 1.0 days to cover at its recent average daily volume. On October 2, 2026, 39.5% of BLGO volume reported to FINRA trade-reporting facilities was marked short.

Short interest (bi-monthly positions)1,020 shares as of September 15, 2026
Change vs prior period▼ 88.6%
Days to cover1.00 at avg daily volume of 1,096,714
Daily short volume (FINRA facilities)39.5% of 141,638 shares on October 2, 2026
5-day average short volume37.6%

Daily short sale volume covers trades reported to FINRA trade-reporting facilities and is not the same as short interest (bi-monthly reported positions). Source: FINRA — FINRA is the owner and source of this short interest and short sale volume data; it may not be redistributed.

Browse all tickers starting with B →
$0.0809 +0.00% today
52-week range · as of 2026-08-14 $0.0809 – $0.2337
Market cap
$26.59M
Volume
141.6K (0.3× avg)
3-mo avg 411.6K
Live data · 2026-10-05 02:48 UTC · Market closed

show_chartPrice Chart

Loading chart...

feed BLGO - Latest Insights

BLGO
Aug 14, 2026, 4:27 PM EDT
Filing Type: 10-Q
Importance Score:
8
Price at Filing: $0.104
Real-time Price: $0.080875 info
Change: -$0.023125 (-22%) info
Market Cap: $26.586M info
BLGO
May 15, 2026, 4:38 PM EDT
Source: Wiseek News
Importance Score:
8
Price at Filing: $0.13263
Real-time Price: $0.080875 info
Change: -$0.051755 (-39%) info
Market Cap: $26.586M info
BLGO
May 15, 2026, 4:29 PM EDT
Filing Type: 10-Q
Importance Score:
9
Price at Filing: $0.13263
Real-time Price: $0.080875 info
Change: -$0.051755 (-39%) info
Market Cap: $26.586M info
BLGO
May 06, 2026, 6:02 AM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $0.15564
Real-time Price: $0.080875 info
Change: -$0.074765 (-48%) info
Market Cap: $26.586M info
BLGO
May 05, 2026, 3:00 AM EDT
Source: Access Newswire
Importance Score:
8
Price at Filing: $0.156875
Real-time Price: $0.080875 info
Change: -$0.076 (-48%) info
Market Cap: $26.586M info
BLGO
May 04, 2026, 5:00 AM EDT
Source: Access Newswire
Importance Score:
8
Price at Filing: $0.1527
Real-time Price: $0.080875 info
Change: -$0.071825 (-47%) info
Market Cap: $26.586M info
BLGO
Apr 30, 2026, 4:02 PM EDT
Filing Type: 10-K/A
Importance Score:
7
Price at Filing: $0.1511
Real-time Price: $0.080875 info
Change: -$0.070225 (-46%) info
Market Cap: $26.586M info
BLGO
Apr 20, 2026, 9:33 AM EDT
Source: Access Newswire
Importance Score:
7
Price at Filing: $0.145855
Real-time Price: $0.080875 info
Change: -$0.06498 (-45%) info
Market Cap: $26.586M info
BLGO
Mar 25, 2026, 5:13 PM EDT
Source: Wiseek News
Importance Score:
8
Price at Filing: $0.1645
Real-time Price: $0.080875 info
Change: -$0.083625 (-51%) info
Market Cap: $26.586M info
BLGO
Mar 05, 2026, 2:33 PM EST
Source: Wiseek News
Importance Score:
8
Price at Filing: $0.1695
Real-time Price: $0.080875 info
Change: -$0.088625 (-52%) info
Market Cap: $26.586M info
BLGO
Mar 04, 2026, 5:15 PM EST
Source: Wiseek News
Importance Score:
9
Price at Filing: $0.17956
Real-time Price: $0.080875 info
Change: -$0.098685 (-55%) info
Market Cap: $26.586M info
Research tools: Filing Impact Index Dilution Tracker Split Calendar Open Datasets