BioLargo PE Ratio 2012-2025 | BLGO

Current and historical p/e ratio for BioLargo (BLGO) from 2012 to 2025. The price to earnings ratio is calculated by taking the latest closing price and dividing it by the most recent earnings per share (EPS) number. The PE ratio is a simple way to assess whether a stock is over or under valued and is the most widely used valuation measure. BioLargo PE ratio as of April 17, 2026 is 0.00.

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BioLargo PE Ratio Historical Data
Date Stock Price TTM Net EPS PE Ratio
2026-04-17 0.15 0.00
2025-12-31 0.18 $-0.04 0.00
2025-09-30 0.17 $-0.03 0.00
2025-06-30 0.21 $-0.02 0.00
2025-03-31 0.28 $-0.01 0.00
2024-12-31 0.19 $-0.01 0.00
2024-09-30 0.23 $0.00 0.00
2024-06-30 0.26 $-0.01 0.00
2024-03-31 0.35 $-0.01 0.00
2023-12-31 0.17 $-0.01 0.00
2023-09-30 0.17 $-0.01 0.00
2023-06-30 0.18 $-0.01 0.00
2023-03-31 0.20 $-0.01 0.00
2022-12-31 0.19 $-0.02 0.00
2022-09-30 0.27 $-0.02 0.00
2022-06-30 0.18 $-0.03 0.00
2022-03-31 0.23 $-0.03 0.00
2021-12-31 0.21 $-0.03 0.00
2021-09-30 0.19 $-0.05 0.00
2021-06-30 0.17 $-0.05 0.00
2021-03-31 0.23 $-0.05 0.00
2020-12-31 0.12 $-0.05 0.00
2020-09-30 0.15 $-0.06 0.00
2020-06-30 0.16 $-0.07 0.00
2020-03-31 0.17 $-0.07 0.00
2019-12-31 0.22 $-0.08 0.00
2019-09-30 0.31 $-0.07 0.00
2019-06-30 0.23 $-0.07 0.00
2019-03-31 0.16 $-0.09 0.00
2018-12-31 0.24 $-0.09 0.00
2018-09-30 0.27 $-0.10 0.00
2018-06-30 0.43 $-0.10 0.00
2018-03-31 0.26 $-0.10 0.00
2017-12-31 0.39 $-0.10 0.00
2017-09-30 0.51 $-0.09 0.00
2017-06-30 0.43 $-0.10 0.00
2017-03-31 0.50 $-0.09 0.00
2016-12-31 0.83 $-0.09 0.00
2016-09-30 0.76 $-0.08 0.00
2016-06-30 0.45 $-0.07 0.00
2016-03-31 0.33 $-0.07 0.00
2015-12-31 0.50 $-0.06 0.00
2015-09-30 0.57 $-0.07 0.00
2015-06-30 0.37 $-0.06 0.00
2015-03-31 0.36 $-0.05 0.00
2014-12-31 0.31 $-0.05 0.00
2014-09-30 0.45 $-0.04 0.00
2014-06-30 0.68 $-0.04 0.00
2014-03-31 0.39 $-0.04 0.00
2013-12-31 0.25 $-0.04 0.00
2013-09-30 0.28 $-0.05 0.00
2013-06-30 0.28 $-0.05 0.00
2013-03-31 0.29 $-0.07 0.00
2012-12-31 0.24 $-0.08 0.00
2012-09-30 0.25 $-0.07 0.00
2012-06-30 0.36 $-0.07 0.00
2012-03-31 0.31 $-0.06 0.00
2011-12-31 0.32 $-0.07 0.00
2011-09-30 0.34 $-0.08 0.00
2011-06-30 0.40 $-0.10 0.00
2011-03-31 0.48 $-0.11 0.00
2010-12-31 0.50 $-0.13 0.00
2010-09-30 0.35 $-0.36 0.00
2010-06-30 0.25 $-0.37 0.00
2010-03-31 0.50 $-0.38 0.00
2009-12-31 0.70 $-0.37 0.00
2009-09-30 0.40 $-0.15 0.00
2009-06-30 0.45 $-0.15 0.00
2009-03-31 0.48 $-0.15 0.00
2008-12-31 0.41 $-0.17 0.00
2008-09-30 0.89 $0.14 6.36
2008-06-30 1.10 $0.15 7.33
2008-03-31 1.20 $0.15 8.00
2007-12-31 0.96 $-0.18 0.00
2007-09-30 0.36 $-0.57 0.00
2007-06-30 0.65 $-0.77 0.00
2007-03-31 0.31 $-0.77 0.00
2006-12-31 0.30 $-0.56 0.00
Sector Industry Market Cap Revenue
Construction Engineering - Research & Development Services $0.046B $0.008B
BioLargo Inc. is a cleantech and life sciences innovator and engineering services solution provider. The company's core products address PFAS contamination, achieve advanced water and wastewater treatment, control odor and VOCs. BioLargo Inc. is based in WESTMINSTER, CA.
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