Mantel raises $18M

Mantel announced a Series A round of $18M on 24 August 2026. The company operates in Climate & Energy and is based in United States. It was founded by Cameron Halliday, Co-founder & CEO. Announced 43 days ago.

Raised
$18M
Stage
Series A
Industry
Climate & Energy
Country
United States

Founder

Cameron Halliday
Co-founder & CEO, Mantel

Outreach angles

  • -Co-founded Mantel with Sean Robertson and Danielle Rapson after meeting in MIT's 'Climate and Energy Ventures' course.
  • -Commercialized his own PhD carbon-capture research from Alan Hatton's MIT lab into Mantel's molten-borate technology.
  • -Just raised an $18M Series A extension from Constellation Technology Ventures and Azimut to scale industrial carbon capture.

Signals

Series AClimate TechDeep TechEnterpriseB2B

Round details

Company: Mantel
Domain: mantelcapture.com
Amount: $18M
Stage: Series A
Industry: Climate & Energy
Country: United States
Announced: 24 August 2026
Source: announcement

Other Climate & Energy raises

Recently funded in United States