FundedStartupsDaily / Food & Agriculture / Mafix

Mafix raises $5.4M

Mafix announced a Pre-Seed round of $5.4M on 20 August 2026. The company operates in Food & Agriculture and is based in United States. It was founded by Jade Marcus, Founder and CEO.

Raised
$5.4M
Stage
Pre-Seed
Industry
Food & Agriculture
Country
United States

Founder

Jade Marcus
Founder and CEO, Mafix
mafix.ag

Outreach angles

  • -Founded Mafix while a PhD candidate in chemical engineering at Stanford, after working as a McKinsey engagement manager.
  • -Works alongside Stanford professor Matthew Kanan, the company's chief scientific advisor on electrochemistry and carbon capture.
  • -Closed a $5.4M pre-seed round to commercialise silicon fertilizers that remove atmospheric CO2 while restoring soil health.

Signals

Pre-SeedClimate TechDeep TechB2BNew Market

Round details

Company: Mafix
Domain: mafix.ag
Amount: $5.4M
Stage: Pre-Seed
Industry: Food & Agriculture
Country: United States
Announced: 20 August 2026
Source: announcement

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