Biolargo (BLGO) Return on Equity [ROE] (2015 - 2026)
Biolargo (BLGO) reported Return on Equity [ROE] of -865.01% for Q1 2026, down 766.44 percentage points from -98.56% a year earlier and down 579.02 percentage points from the prior quarter.
Biolargo (BLGO) Return on Equity [ROE] (2015 - 2026) Analysis & Trends
For FY2025, Biolargo posted Return on Equity [ROE] of -300.83%, down 216.08 percentage points from FY2024.
- Return on Equity [ROE] has a four-year change of +1674.53 percentage points (FY2021 to FY2025).
- By year, Return on Equity [ROE] came in at -84.75% in FY2024 (+64.87 pp), -149.62% in FY2023 (+199.02 pp), -348.64% in FY2022 (+1626.72 pp) and -1975.36% in FY2021.
- The Q1 2026 figure ranks as the lowest quarterly Return on Equity [ROE] since Q1 2021.
- Year over year, Return on Equity [ROE] has now declined in each of the last four quarters, with an average year-over-year change of -126.16 percentage points over the last eight quarters.
- The high point for year-over-year Return on Equity [ROE] in five years was Q4 2021 (a gain of 7205.36 percentage points); the low point was Q1 2026 (a drop of 766.44 percentage points).
- Per Business Quant data, the three quarters before Q1 2026 came in at -285.99% (Q4 2025), -202.20% (Q3 2025) and -118.30% (Q2 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | ROE (Qtr) |
|---|---|---|---|---|---|
| 1 | Ecolab | 80.74 Bn | 72.48 Bn | 1.95 Bn | 21.21% |
| 2 | Veralto | 24.85 Bn | 17.49 Bn | 902.00 Mn | 32.37% |
| 3 | Xylem | 24.79 Bn | 20.03 Bn | 963.00 Mn | 9.43% |
| 4 | Badger Meter | 3.74 Bn | 3.01 Bn | 90.77 Mn | 18.31% |
| 5 | Ceco Environmental | 2.47 Bn | 2.30 Bn | 86.47 Mn | -2.35% |
| 6 | NWPX Infrastructure | 941.73 Mn | 903.20 Mn | 34.36 Mn | 11.86% |
| 7 | Energy Recovery | 342.74 Mn | 17.91 Mn | 8.96 Mn | 8.60% |
| 8 | Cadiz | 334.91 Mn | 303.35 Mn | -24,000.00 | -257.30% |
| 9 | AirJoule Technologies | 213.04 Mn | 92.67 Mn | - | -34.62% |
| 10 | Biolargo | 21.83 Mn | 7.09 Mn | 675,000.00 | - |
Historic Data
| Date | Value |
|---|---|
| Mar 31, 2026 | -865.01% |
| Dec 31, 2025 | -285.99% |
| Sep 30, 2025 | -202.20% |
| Jun 30, 2025 | -118.30% |
| Mar 31, 2025 | -98.56% |
| Dec 31, 2024 | -72.23% |
| Sep 30, 2024 | -61.23% |
| Jun 30, 2024 | -73.97% |
| Mar 31, 2024 | -105.43% |
| Dec 31, 2023 | -115.92% |
| Sep 30, 2023 | -126.85% |
| Jun 30, 2023 | -114.01% |
| Mar 31, 2023 | -146.76% |
| Dec 31, 2022 | -253.81% |
| Sep 30, 2022 | -322.42% |
| Jun 30, 2022 | -437.65% |
| Mar 31, 2022 | -562.13% |
| Dec 31, 2021 | -712.19% |
| Sep 30, 2021 | -634.99% |
| Jun 30, 2021 | -803.49% |
Biolargo Return on Equity [ROE] 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=return-on-equity-%5Broe%5D&ticker=BLGO&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "return-on-equity-[roe]", "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=return-on-equity-%5Broe%5D&ticker=BLGO&period=max&api_key=YOUR_API_KEY");
const data = await res.json();