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Energy & Climate
Boston-based Mantel
Series C$18 million
RoundSeries C
Amount$18 million
LeadConstellation Technology Ventures
HQBoston, United States
DateAugust 24, 2026
THE DEAL, AT A GLANCE

Boston-based Mantel

From the announcement
Who is involvedBacked by Constellation Technology Ventures, Azimut InvestmentsFrom the announcement

Summarized from the deal record's source announcement; not yet independently reviewed.

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What happenedBoston-based Mantel raised $18M Series C, announced 2026-08-24From the announcement

Summarized from the deal record's source announcement; not yet independently reviewed.

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Why it mattersMantel's $18M Series C extension signals continued investor support for a Boston-based company categorized in FinTech while advancing molten-borate carbon capture…From the announcement

Summarized from the deal record's source announcement; not yet independently reviewed.

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Click a part to explore its evidence. Unsupported imagery is withheld rather than guessed.Original record source ↗

Boston-based Mantel · Financing Record

Explore source-linked visual explanations for Boston-based Mantel. Unsupported claims are withheld while source review continues.

Record 10911 · Recorded date: 2026-08-24

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