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Membrion secures $20 million in Series B1 funding, led by Pangaea Ventures and others, to enhance industrial water circularity.

PRIVATEOct 07, 2025

Amount Raised

$20 Million

Round Type

Series B

SeattleManufacturingBiotechnologyEnvironmental Services

Investors

Giantleap CapitalIndico VenturesPangaea VenturesPureTerra VenturesEcolab Inc.W. L. Gore & AssociatesThe Lewis Family OfficeSafar PartnersLam Research

Description

Membrion completed a $20 million Series B1 funding round, led by Pangaea Ventures and others, to expand its sustainable wastewater treatment efforts. The new capital brings total funding to $43 million and will accelerate the deployment of full-scale industrial installations. Founder Greg Newbloom emphasizes the importance of water circularity and resource reclamation. This strategic financing will support economic and environmental advancements in wastewater management.

Quick answer

Membrion raised $20 Million in a Series B round, dated October 7, 2025. Investors: Giantleap Capital, Indico Ventures, Pangaea Ventures, PureTerra Ventures, Ecolab Inc., W. L. Gore & Associates, The Lewis Family Office and Safar Partners. Membrion is based in Seattle, Washington, United States.

How much did Membrion raise?
Membrion raised $20 Million in a Series B round on October 7, 2025.
Who invested in Membrion?
Giantleap Capital, Indico Ventures, Pangaea Ventures, PureTerra Ventures, Ecolab Inc., W. L. Gore & Associates, The Lewis Family Office and Safar Partners are named as investors in this round.
What does Membrion do?
Membrion manufactures ceramic desalination membranes that can recover up to 98% of water in the harshest conditions.
Where is Membrion based and how big is it?
Membrion is based in Seattle, Washington, United States. Fundz records about 31 employees.
Who are the decision-makers at Membrion?
Fundz holds 2 contacts at Membrion, including the President & CEO. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Environmental Services and Manufacturing around the same time

Companies in the same sectors as Membrion that raised within 45 days of this round, from Fundz verified event records.

  • Rubi Laboratories raised $7.5M on November 21, 2025.
  • Sophrosyne Technologies raised $2M (Seed) on November 20, 2025.
  • Earflo raised $415K (Seed) on November 19, 2025.
  • Okami Medical raised $45M (Funding Round) on November 19, 2025.
  • Nature's Toolbox raised $10M on November 19, 2025.
  • Planet Smart raised $1M (Pre-Seed) on November 18, 2025.

Who to call at Membrion, and when

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Company Information

Company

Membrion

Location

3257 17TH AVE W, BLDG 3

Seattle, Washington, United States

About

Membrion manufactures ceramic desalination membranes that can recover up to 98% of water in the harshest conditions. Membrion’s flexible, electro-ceramic desalination membranes yield endless possibilities for water recovery, allowing manufacturers to recycle water at previously inaccessible pH ranges and with challenging trace chemicals. The membranes that Membrion creates are low fouling, require less cleaning, are oxidizer resistant, have ultra-low pH stability, and are economical.

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Related People

2 contacts
Verified contactsGreg N., President & CEO hidden hiddenSee plans and pricing
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Funding Insights

What this usually means
Timeline to next round
Series B companies typically work for 15-20 months before raising new capital
Growth expectations
Series B companies are expected to scale rapidly and expand market reach

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

145 of these a day, filtered to the companies you pick, with the decision-maker attached.

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