Sepion Technologies Raises $10M in Series B Funding led by Fine Structure Ventures to scale polymer production and expand product lines.
Amount Raised
$10 Million
Round Type
Series B
EmeryvilleOtherManufacturingEnergyRenewable EnergySolarElectronicsInvestors
Description
Sepion Technologies, an Alameda, CA-based developer of advanced polymer coatings for lithium-ion batteries, has raised $10M in Series B funding. The round was led by Fine Structure Ventures with contributions from multiple other investors. The company plans to use the funds to scale U.S.-based polymer production and fulfill commercial purchase orders. Sepion Technologies aims to improve energy storage systems through its innovative membrane technologies.
Quick answer
Sepion Technologies raised $10 Million in a Series B round, dated April 17, 2026. Investors: Acvc Partners, Impact Science Ventures, Catalus Capital, W. L. Gore And Associates, Syensqo Ventures, Volo Earth Ventures, Chailease and Fine Structure Ventures. Sepion Technologies is based in Emeryville, California, United States.
- How much did Sepion Technologies raise?
- Sepion Technologies raised $10 Million in a Series B round on April 17, 2026.
- Who invested in Sepion Technologies?
- Acvc Partners, Impact Science Ventures, Catalus Capital, W. L. Gore And Associates, Syensqo Ventures, Volo Earth Ventures, Chailease and Fine Structure Ventures are named as investors in this round.
- What does Sepion Technologies do?
- Sepion Technologies is an advanced materials company developing polymer coatings and membrane technologies to improve the performance, safety, and cost of energy storage systems.
- Where is Sepion Technologies based and how big is it?
- Sepion Technologies is based in Emeryville, California, United States. Fundz records about 23 employees.
- Who are the decision-makers at Sepion Technologies?
- Fundz holds 2 contacts at Sepion Technologies, including the Chief Technology Officer. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Energy and Renewable Energy around the same time
Companies in the same sectors as Sepion Technologies that raised within 45 days of this round, from Fundz verified event records.
- ENERGY FOCUS, INC/DE raised $250K (Post-IPO Equity) on May 29, 2026.
- Moment Energy raised $40M (Series B) on May 5, 2026.
- Rivan raised $34M (Funding Round) on April 20, 2026.
- Maxwell Power raised $750M on June 1, 2026.
- Amtech Systems raised $60M (Post-IPO Equity) on June 1, 2026.
- Stardust Solar Energy raised $37K on May 29, 2026.
Who to call at Sepion Technologies, and when
A new round usually means Sepion Technologies is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day Sepion Technologies raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at Sepion Technologies, from your own LinkedIn network
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Funding Insights
What this usually meansSepion Technologies 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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