Market map · United States

Algae and seaweed market map: United States

17 algae and seaweed startups based in the United States that have raised money in rounds we track, placed in 3 segments by what each says it does. Together they have raised $198M; the biggest segment is food and feed.

17startups on the map
3segments
$198Mraised between them
Farming and cultivationmost funded segment

Segment by segment

Food and feed

10 startups · $75M raised

  1. Blue Ocean BarnsBlue Ocean Barns is an agricultural technology company based in Kailua-Kona, Hawaii, founded in 2019.United States$20M
  2. Aqua TheonAqua Theon Inc.United States$13M
  3. Triton Algae InnovationsTriton Algae Innovations is a biotechnology startup based in San Diego, founded in 2013.United States$11M
  4. iwi Lifeiwi life is an algae farming company focused on sustainable agricultural practices and nutrient-dense food production.United States$10M
  5. AlgisysAlgiSys, also known as AlgiSys BioSciences, Inc., is a biotechnology and BioFoodTech company founded in 2009.United States$6.2M
  6. SymbrosiaSymbrosia is a cleantech and biotechnology startup based in Kailua-Kona, Hawaii, founded in 2018.United States$5.8M
  7. Alga BiosciencesAlga Biosciences is a climate technology startup founded in 2021, based in San Francisco, California.United States$4.0M
  8. Macro OceansMacro Oceans is focused on building a kelp economy to support a low carbon future.United States$2.5M

Materials and packaging

4 startups · $34M raised

  1. SwaySway Innovation Co., also known as Sway, is a California-based cleantech and materials company focused on developing sustainable pUnited States$25M
  2. Inventure ChemicalsInventure Chemicals develops an ethanol and biodiesel conversion process by using a variety of raw materials including algae.United States$7.0M
  3. SoarceSoarce synergizes seaweed and nanotechnology to produce high performing, protective, and low-carbon fabrics and leathers.United States$2.0M
  4. Minus MaterialsMinus Materials grows carbon-negative, biorenewable limestone using microalgaeUnited States$275K

Farming and cultivation

3 startups · $90M raised

  1. Solix BiofuelsSolix BioSystems provides integrated solutions and services that enable large scale cultivation of algae.United States$69M
  2. LyxiaLyxia is a biotechnology company specializing in products derived from microalgae and cyanobacteria.United States$19M
  3. North Sea FarmersNorth Sea Farmers is the European Seaweed Association.United States$2.3M

How this map is made. Every startup here has raised money in rounds we track, and is based in United States. It joins the map when its sectors, read from its rounds, or the opening of its own description say it works in algae and seaweed, and goes to the first segment whose words it carries. Each segment shows its best-funded first. Rebuilt nightly; updated 15 November 2026.

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