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AmpliSi

AmpliSi

Private
SheffieldEnterprise Softwarehttps://www.amplisi.com/

Last Round

Pre Seed

Mar 12, 2026

Total Funding Raised

$2.7M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

AmpliSi is an energy storage company that develops proprietary porous silicon anode materials designed to replace graphite in lithium-ion batteries.

Sector

Enterprise Software

Verticals

Semiconductors, Computing Hardware, Workflow Automation

Business Model

B2B

Customer Profile

Services & Consulting, Data as a Service

AI Layer

Non-AI

Keywords

silicon anodebattery materialsmagnesiothermic processenergy storagebattery techanode materialsporous siliconnext-gen batteriesmaterial sciencedeep techbattery supply chainEV battery

Historical Pricing

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Caplight Momentum Score

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AmpliSi Comparables

Compare AmpliSi with similar companies based on industry and business-model similarity.

AmpliSi comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Ionobell
34%

AmpliSi Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Pre SeedMar 12, 2026

Key People

Founding team and executive leadership

Ruth Sayers

Chief Executive Officer

Executive Team

Gwen Chimonides

Chief Technology Officer

Executive Team

AmpliSi Investors

Notable investors and investment history

AmpliSi investors
InvestorRounds
Clean Growth Investment ManagementPre Seed
Northern GritstonePre Seed
Cambridge Future TechPre Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Sep 2, 2026

    Grew 125% QoQ, from 4 to 9 employees.

  • Mar 12, 2026

    $3M raised in Pre Seed round.

AmpliSi Filings

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AmpliSi filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about AmpliSi's valuation, stock price, and market status.

Is AmpliSi a public or private company?

AmpliSi is a private company.

What is the current stock price of AmpliSi?

AmpliSi is a private company with no public stock price. No recent secondary market data is available.

How much is AmpliSi worth (valuation)?

Valuation information for AmpliSi is not publicly available.

Can I buy AmpliSi stock?

AmpliSi shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was AmpliSi's last funding round?

AmpliSi's most recent funding round was Pre Seed on March 18, 2026.

Who are the main investors in AmpliSi?

Key investors in AmpliSi include Clean Growth Investment Management, Northern Gritstone.

Will AmpliSi IPO soon?

No public IPO plans have been announced for AmpliSi.

How can I track AmpliSi secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor AmpliSi's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSheffield
Employee Range10
Year Founded2025
Last FundingMar 12, 2026

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