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Sionic Energy

Sionic Energy

Private
Rochester, New YorkEnergy & Sustainabilityhttps://sionicenergy.com/

Last Round

Grant

Mar 28, 2025

Total Funding Raised

$13.44M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Sionic Energy is an electrical equipment company that develops and licenses a 100%-silicon anode platform for high-performance lithium-ion batteries.

Sector

Energy & Sustainability

Verticals

Energy Storage, Advanced Materials, Electric Vehicles, Aviation & Drones, Consumer Electronics

Business Model

B2B

Customer Profile

Data as a Service, Services & Consulting

AI Layer

Non-AI

Keywords

silicon anodelithium-ion batterybattery technologyenergy densityultra-fast chargingsilicon batterydrop-in technologybattery licensingelectrolyte formulationsilicon-carbon anodenext-gen batterieseVTOL batteryEV batterybattery IPadvanced materials

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Sionic Energy Comparables

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

Sionic Energy comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Enevate
87%
NanoGraf
86%
Nexeon
81%

Sionic Energy Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
GrantMar 28, 2025
DebtDec 20, 2019
Series BAug 29, 2016
Series AApr 1, 2013
Corporate FundingDec 1, 2012

Key People

Founding team and executive leadership

Ed Williams

CEO & President

Executive Team

Jim Zuidema

Chief Financial Officer

Executive Team

Sionic Energy Investors

Notable investors and investment history

Sionic Energy investors
InvestorRounds
Phoenix Venture PartnersSeries B
Empire State DevelopmentCorporate Funding
NYSERDACorporate Funding
Syensqo VenturesSeries B
New York VenturesSeries B
NSF Energy Storage Engine in Upstate New YorkGrant

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 25, 2026

    Monthly visitors increased 35% MoM.

  • Mar 28, 2025

    $200K raised in grant funding.

Sionic Energy Filings

Explore SEC and related filing metadata, where available.

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

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Frequently Asked Questions

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

Is Sionic Energy a public or private company?

Sionic Energy is a private company.

What is the current stock price of Sionic Energy?

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

How much is Sionic Energy worth (valuation)?

Valuation information for Sionic Energy is not publicly available.

Can I buy Sionic Energy stock?

Sionic Energy 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 Sionic Energy's last funding round?

Sionic Energy's most recent funding round was Grant on April 2, 2025.

Who are the main investors in Sionic Energy?

Key investors in Sionic Energy include Phoenix Venture Partners.

Will Sionic Energy IPO soon?

No public IPO plans have been announced for Sionic Energy.

How can I track Sionic Energy secondary market activity?

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

Firmographic Details

HeadquartersRochester, New York
Employee Range14
Year Founded2011
Last FundingMar 28, 2025

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