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Adden Energy

Adden Energy

Private
Waltham, MassachusettsEnergy & Sustainabilityhttps://addenenergy.com/

Last Round

Series A

Oct 23, 2024

Total Funding Raised

$20.15M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Adden Energy is a clean-tech company that develops and manufactures next-generation solid-state lithium-metal batteries for electric vehicles.

Sector

Energy & Sustainability

Verticals

Energy Storage, Electric Vehicles, Advanced Materials

Business Model

B2B

Customer Profile

Hardware Sales

AI Layer

Non-AI

Keywords

solid-state batterybattery technologyenergy storagenext-gen batterieselectric vehicle batteryEV batterybattery manufacturingfast chargingadvanced materialsgrid-scale storagebattery hardwareIP licensingdeep tech

Historical Pricing

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Caplight Momentum Score

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Adden Energy Comparables

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

Adden Energy comparables — related companies by embedding similarity
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Blue Current, Inc.
87%
Ion Storage Systems
87%
Basquevolt
83%

Adden Energy Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AOct 23, 2024
SeedSep 1, 2022

Key People

Founding team and executive leadership

William Fitzhugh

Co-Founder & CEO

Founding Team

Luhan Ye

Chief Technology Officer

Executive Team

Pu Zhang

Chief Product Officer

Executive Team

Adden Energy Investors

Notable investors and investment history

Adden Energy investors
InvestorRounds
Primavera Capital GroupSeries A, Seed
MassVenturesSeries A, Seed
Rhapsody Venture PartnersSeries A, Seed
At One VenturesSeries A
Primavera Capital GroupSeries A, Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 24, 2026

    Monthly visitors grew 133% MoM, reaching 2.2K.

  • Feb 25, 2025

    Pilot production line for dynamic-stability lithium metal solid-state batteries is now operational.

Adden Energy Filings

Explore SEC and related filing metadata, where available.

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

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Frequently Asked Questions

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

Is Adden Energy a public or private company?

Adden Energy is a private company.

What is the current stock price of Adden Energy?

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

How much is Adden Energy worth (valuation)?

Valuation information for Adden Energy is not publicly available.

Can I buy Adden Energy stock?

Adden 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 Adden Energy's last funding round?

Adden Energy's most recent funding round was Series A on October 23, 2024.

Who are the main investors in Adden Energy?

Key investors in Adden Energy include Primavera Capital Group, At One Ventures.

Will Adden Energy IPO soon?

No public IPO plans have been announced for Adden Energy.

How can I track Adden Energy secondary market activity?

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

Firmographic Details

HeadquartersWaltham, Massachusetts
Employee Range19
Year Founded2021
Last FundingOct 23, 2024

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