Where does Membrion's cap table come from?

Share classes are assembled from certificates of incorporation, priced-round filings, and disclosures across Membrion's 6 recorded funding rounds.

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Membrion

Seattle, WA · Founded 2016 · Privately Held (backing)

Developer of ion exchange membrane technology designed for industrial wastewater. Membrion is based in Seattle, WA and was founded in 2016. Its last reported valuation was $27.5 million in Aug 2023. It has raised $46.3 million across 6 recorded rounds; the latest was a $20 million early-stage round in Jun 2025.

Last reported valuation

$27.5M

Oct 2026

Priced at

—

Total raised

$46.3M

Last round

Early Stage VC

Jun 2025

Cap table — not yet on record

Membrion's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.

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Frequently asked about Membrion

Where does Membrion's cap table come from?: Share classes are assembled from certificates of incorporation, priced-round filings, and disclosures across Membrion's 6 recorded funding rounds.