Biolargo (BLGO) Price to Book (2015 - 2025)
Biolargo's Price to Book was 14.24 in Q4 2025, up 50.6% from 9.45 a year earlier and up 75.7% from the prior quarter.
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Analysis
Biolargo (BLGO) Price to Book (2015 - 2025) Analysis & Trends
From Q3 2015 onward, Biolargo has reported Price to Book for 24 quarters.
- In earlier years, Price to Book was 9.45 in FY2024 (-20.9%), 11.96 in FY2023 (-55.3%), 26.76 in FY2022 (-54.8%) and 59.13 in FY2021.
- Quarterly Price to Book has moved between 8.11 (Q3 2025) and 72.51 (Q1 2021) over five years.
- Compared with a year earlier, Price to Book was higher in three of the last eight quarters, with an average decline of 2.0%.
- The best year-over-year quarter for Price to Book over five years was Q4 2025 (growth of 50.6%); the worst was Q3 2023 (a decline of 64.8%).
- Per Business Quant data, BLGO's Price to Book in the three quarters before Q4 2025 was 8.11 (Q3 2025), 10.71 (Q2 2025) and 16.66 (Q1 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) |
|---|---|---|---|---|
| 1 | Ecolab | 81.92 Bn | 73.66 Bn | 1.95 Bn |
| 2 | Xylem | 25.82 Bn | 21.07 Bn | 963.00 Mn |
| 3 | Veralto | 25.65 Bn | 18.30 Bn | 902.00 Mn |
| 4 | Badger Meter | 4.34 Bn | 3.61 Bn | 90.77 Mn |
| 5 | Ceco Environmental | 2.04 Bn | 1.87 Bn | 86.47 Mn |
| 6 | NWPX Infrastructure | 926.93 Mn | 888.41 Mn | 34.36 Mn |
| 7 | Energy Recovery | 343.00 Mn | 18.16 Mn | 8.96 Mn |
| 8 | Cadiz | 342.06 Mn | 310.50 Mn | -24,000.00 |
| 9 | AirJoule Technologies | 205.02 Mn | 84.65 Mn | - |
| 10 | Biolargo | 22.15 Mn | 7.41 Mn | 675,000.00 |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Dec 31, 2025 | 14.24 |
| Sep 30, 2025 | 8.11 |
| Jun 30, 2025 | 10.71 |
| Mar 31, 2025 | 16.66 |
| Dec 31, 2024 | 9.45 |
| Sep 30, 2024 | 11.58 |
| Jun 30, 2024 | 13.27 |
| Mar 31, 2024 | 20.18 |
| Dec 31, 2023 | 11.96 |
| Sep 30, 2023 | 12.89 |
| Jun 30, 2023 | 12.58 |
| Mar 31, 2023 | 16.03 |
| Dec 31, 2022 | 26.76 |
| Sep 30, 2022 | 36.58 |
| Jun 30, 2022 | 34.94 |
| Mar 31, 2022 | 43.12 |
| Dec 31, 2021 | 59.13 |
| Sep 30, 2021 | 48.82 |
| Jun 30, 2021 | 31.48 |
| Mar 31, 2021 | 72.51 |
API Access
Biolargo Price to Book API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=price-to-book&ticker=BLGO&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "price-to-book", "ticker": "BLGO", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=price-to-book&ticker=BLGO&period=max&api_key=YOUR_API_KEY");
const data = await res.json();