BioLargo - Stock Price History | BLGO

Historical daily share price chart and data for BioLargo since adjusted for splits and dividends. The latest closing stock price for BioLargo as of December 31, 1969 is 0.00.
  • The all-time high BioLargo stock closing price was 0.00 on December 31, 1969.
  • The BioLargo 52-week high stock price is 0.00, which is NAN% above the current share price.
  • The BioLargo 52-week low stock price is 0.00, which is NAN% below the current share price.
  • The average BioLargo stock price for the last 52 weeks is NaN.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
BioLargo Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
Sector Industry Market Cap Revenue
Construction Engineering - Research & Development Services $0.080B $0.012B
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.
Stock Name Country Market Cap PE Ratio
Quanta Services (PWR) United States $38.437B 31.63
Alfa Laval AB (ALFVY) Sweden $18.124B 25.95
Spirax Group (SPXSY) United Kingdom $14.082B 0.00
AECOM (ACM) United States $12.692B 20.02
KBR (KBR) United States $6.685B 14.98
Fluor (FLR) United States $6.272B 16.09
ChampionX (CHX) United States $5.636B 16.32
Arcadis (ARCAY) Netherlands $4.949B 0.00
Amentum Holdings (AMTM) United States $4.820B 0.00
Babcock Group (BCKIY) United Kingdom $4.313B 0.00
Sterling Infrastructure (STRL) United States $3.337B 18.29
VSE (VSEC) United States $2.001B 0.00
Magnera (MAGN) United States $0.743B 0.00
Chiyoda (CHYCY) Japan $0.440B 13.08
Mayville Engineering (MEC) United States $0.305B 25.00
TSS (TSSI) United States $0.294B 68.33
Skyline Builders (SKBL) Hong Kong, SAR China $0.270B 0.00
WANG & LEE GROUP (WLGS) Hong Kong, SAR China $0.104B 0.00
Harris & Harris (TURN) United States $0.040B 0.00
SKK Holdings (SKK) Singapore $0.012B 0.00
SUs (SUGP) Hong Kong, SAR China $0.012B 0.00
CEA Industries (CEAD) United States $0.009B 0.00