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Transition Metal Solutions raises $6 million in Seed funding to increase copper production using microbes, led by Transition Ventures and others.

PRIVATEJan 15, 2026

Amount Raised

$6 Million

Round Type

Seed

BerkeleyManufacturingBiotechnologyMining

Investors

SosvPossible VenturesNew Climate VenturesKayak VenturesJuniper VCAstor Management AGClimate CapitalDolby Family VenturesEssential CapitalUnderstorey VenturesTransition Ventures

Description

Transition Metal Solutions has successfully raised a Seed round of $6 million to enhance copper production through innovative microbial technology. The funding round was led by Transition Ventures, with participation from several investors. This investment aims to improve efficiency in copper mining, addressing potential future shortages. The company believes its approach could lead to a 20–30% increase in copper output.

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Company Information

Company

Transition Metal Solutions

Location

Berkeley, California, United States

About

Transition Metal Solutions develops custom chemical additives that enhance wild microbial communities for metal extraction. The company's platform analyzes the biology already at work in a mining operation and formulates targeted products that increase recovery and accelerate extraction — without new infrastructure or changes to existing processes. Starting with copper, a metal key to the energy transition, the technology is designed to extend to other critical minerals. The company is backed by leading climate and deeptech investors across the US, Europe, and Australia.

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Transition Metal Solutions raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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