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Mafix secures $5.4M in pre-seed funding, led by Azolla Ventures, to commercialize its carbon-negative silicon fertilizers. This investment will help demonstrate its technology for producing 1,000 tons of innovative fertilizer.

PRIVATEAug 20, 2026about 4 hours ago

Amount Raised

$5.4 Million

Round Type

Seed

SeattleAgriculture and FarmingFarming

Investors

A Dutch Family OfficeImpact Science VenturesPlug And Play VenturesAstera InstituteCounteract VcAzolla Ventures

Description

Mafix, an industrial technology startup, has raised $5.4M in pre-seed funding to commercialize their carbon-negative silicon fertilizers. Led by Azolla Ventures and supported by several investors, the funding will be used to demonstrate their proprietary production process. The fertilizer aims to restore soil health and improve crop yields. This innovation addresses the demand for reliable silicon fertilizer supply in the U.S.

Company Information

Company

Mafix

Location

Seattle, Washington, United States

About

Mafix is an industrial technology startup that transforms abundant rocks into carbon-negative silicon fertilizers and other mineral products. Developed at Stanford University, its process addresses the need for high-quality silicon fertilizers that can enhance soil health and crop yields. Mafix's innovative approach allows for permanent carbon removal on the farmer's timeline, making it a solution for both agricultural productivity and environmental sustainability.

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