How Much Did Aqua Metals Raise?
Funding & Key Investors

Aqua Metals has successfully secured a significant capital injection, bringing its total cumulative financing to $60.1M. This latest major strategic investment of $4.1M underscores the market confidence in the company's proprietary clean technology solutions. By prioritizing sustainable industrial practices, the firm continues to attract substantial backing to scale its operations within the competitive battery recycling sector.

The company's financial trajectory reflects a long-term commitment to refining its core technology, moving from initial debt and equity offerings in 2015 to the more recent, high-impact financing rounds observed in late 2025. This progression highlights a maturing enterprise that is increasingly positioned to disrupt traditional smelting methodologies through its innovative, water-based recovery processes.

What is Aqua Metals?

Aqua Metals
Energy, Utilities & WasteWaste Treatment, Environmental Services & RecyclingBuilding Materials

Aqua Metals operates at the intersection of environmental sustainability and industrial manufacturing. The company is primarily recognized for its development of AquaRefining, a sophisticated, water-based process designed to replace conventional, high-emission smelting techniques. By focusing on the recovery of high-purity metals from spent lead-acid batteries, Aqua Metals provides a critical service to the circular economy.

The firm's market position is defined by its ability to mitigate the environmental footprint associated with battery disposal while simultaneously improving the efficiency of metal reclamation. As global demand for sustainable battery materials intensifies, Aqua Metals' technology serves as a vital component in the transition toward greener industrial supply chains, offering a scalable alternative that aligns with modern ESG mandates.

How much funding has Aqua Metals raised?

Aqua Metals has raised a total of $60.1M across 4 funding rounds:

2015

Stock Offering

$33M

Debt

$10M

2025

Stock/Share Issuance

$13M

Other Financing Round

$4.1M

Stock Issuance/Offering (2015): $33M, investors not publicly disclosed

Debt (2015): $10M led by Green Bank, N.A

Stock/Share Issuance (2025): $13M, investors not publicly disclosed

Other Financing Round (2025): $4.1M, investors not publicly disclosed

Key Investors in Aqua Metals

Green Bank, N.A

A financial institution focused on providing debt and capital solutions to companies operating within the sustainable energy and environmental technology sectors.

Undisclosed Investor

An undisclosed institutional partner participating in the latest strategic financing round to support the scaling of clean technology infrastructure.

Undisclosed Investor

An undisclosed investor providing capital to facilitate the advancement of proprietary metal recycling processes and industrial growth.

What's next for Aqua Metals?

With the recent infusion of capital, Aqua Metals is well-positioned to accelerate the commercial deployment of its AquaRefining technology. The strategic focus will likely shift toward expanding production capacity and optimizing operational throughput to meet the growing demand for recycled, high-purity metals. By leveraging this enterprise-level funding, the company aims to solidify its leadership in the clean technology space, potentially exploring new partnerships or facility expansions that enhance its competitive advantage in the global battery recycling market.

Future growth will be contingent upon the successful integration of these financial resources into large-scale industrial applications, ensuring that the company remains at the forefront of sustainable metal recovery innovation.

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Frequently Asked Questions Regarding Aqua Metals Financial Insights

What are the most recent funding rounds that Aqua Metals has completed, and what were the funding rounds?
Aqua Metals has recently completed 3 funding rounds: Other Financing Round on Nov 12, 2025, Stock/Share Issuance on Oct 15, 2025, Debt on Nov 4, 2015.
What is the total amount of funding Aqua Metals has raised to date?
Aqua Metals has raised a total of $60.1M in funding to date.
How many funding rounds has Aqua Metals completed?
Aqua Metals has completed 3 funding rounds.
How much funding did Aqua Metals raise in its most recent funding round?
Aqua Metals raised $4.1M in its most recent funding round.
Which was the largest funding round in Aqua Metals's history?
The largest funding round in Aqua Metals's history was $33M.
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