Latest round

Series B

Last raised

Jun 2025

Total raised

$41M

Investors

18

About Membrion

Founded in 2016 and based in Washington, US, Membrion, Inc. operates as a developer of a membrane technology that helps filter molecules for many applications such as electrodialysis water desalination, redox flow batteries, and pharmaceutical purification. It can filter molecules under any conditions including hot, cold, acidic, caustic, and vacuum.

Who invested in Membrion

18 investors across 6 rounds

See all investors in Membrion

Sign up free to see every VC on the cap table, the rounds they joined, and how much each round raised.

Funding rounds

  1. Series B

    Jun 16, 2025

    Amount

    $20M

    Investors

    Locked

  2. Series B

    Aug 8, 2023

    Amount

    $5.5M

    Investors

    Locked

  3. Series B

    Dec 9, 2022

    Amount

    $7M

    Investors

    Locked

  4. Series A

    Mar 4, 2020

    Amount

    $6M

    Investors

    Locked

  5. Seed

    Dec 5, 2018

    Amount

    $1.5M

    Investors

    Locked

  6. Seed

    Aug 13, 2018

    Amount

    $1M

    Investors

    Locked

Questions about Membrion

Who invested in Membrion?

Membrion has 18 investors on record across 6 venture rounds. Sign up free to see every VC on the cap table and the rounds they joined.

How much funding has Membrion raised?

Membrion has raised 6 venture rounds. Sign up free to see how much each round raised and the total.

When did Membrion last raise money?

Membrion's most recent round on record is a Series B, in Jun 2025.

What does Membrion do?

Founded in 2016 and based in Washington, US, Membrion, Inc.

Where is Membrion headquartered?

Membrion is headquartered in Seattle, US.

Which VCs invest in companies like Membrion?

Among active investors with capital left to deploy, Kimmeridge, GEF Capital Partners, S2G Ventures and CAVU Consumer Partners back materials companies at Membrion's stage. Their profiles are linked below.

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