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Antora Energy

Antora Energy

Private
Sunnyvale, CaliforniaEnergy & Sustainabilityhttps://antora.com

Last Round

Series C

Jul 30, 2026

Est. Valuation

$2.5B

Total Funding Raised

$783.82M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

Antora Energy operates in Energy & Sustainability and is based in Sunnyvale, California. Its latest recorded funding round was a Series C round in July 2026.

Antora Energy is a renewable energy company that develops thermal batteries to convert renewable electricity into reliable, on-demand industrial heat and power.

Sector

Energy & Sustainability

Verticals

Energy Storage, Clean Manufacturing, Advanced Materials, Renewable Energy

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting, Government Contracts

AI Layer

Application

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

Caplight clients see full MarketPrice™ history and secondary transactions.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

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Antora Energy Comparables

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

Antora Energy comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Rondo Energy
93%
Tempo
80%
Brenmiller Energy
78%
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Antora Energy Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series CJul 30, 2026
GrantJun 25, 2024
Series BFeb 22, 2024
GrantNov 15, 2023
Series AFeb 16, 2022
Accelerator
Jan 1, 2019
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Key People

Founding team and executive leadership

David Bierman

Co-Founder, Chief Commercial Officer

Founding Team

Justin Briggs

Co-founder and Chief Operating Officer

Founding Team

Andrew Ponec

Co-founder and CEO

Founding Team

Rene Griemens

Chief Financial Officer

Executive Team

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Antora Energy Investors

Notable investors and investment history

Antora Energy investors
InvestorRounds
Impact ScienceSeries A
Grok VenturesSeries A, Series B
TemasekSeries B
Liberty Mutual Strategic VenturesSeries C
The Westly GroupSeries C
Gigascale CapitalSeries A
GS FuturesSeries B
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Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 30, 2026

    $550M round led by Eclipse Ventures and G2 Venture Partners.

  • Jun 15, 2026

    Operational thermal energy storage facility at a POET site in South Dakota.

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Recent news

Latest coverage and updates

  • is_developingNov 8, 2026

    Antora Energy, Inc. is developing a system based on energy storage in the form of heat in South Dakota as of Nov 8th '26, using excess electricity from nearby wind farms to heat solid carbon blocks to nearly 2,800°C, store heat for several days, and release it on demand to generate steam for industrial processes.

  • invests_into_assetsNov 5, 2026

    Antora Energy, Inc. leases a 294,000-square-foot industrial building at 475 Sycamore Drive in Milpitas, California, on Nov 5th '26.

  • expands_facilitiesOct 5, 2026

    Antora Energy, Inc. announces plans for a 5.8-gigawatt-hour multi-day thermal energy storage project at Pratt Energy's biorefinery in Kansas on Oct 1st '26.

  • signs_new_clientOct 5, 2026

    Antora Energy, Inc. plans to begin delivering energy to Pratt Energy, LLC in Kansas in 2027 under a long-term heat offtake agreement for a 5.8 GWh multi-day thermal energy storage project.

  • partners_withOct 2, 2026

    Antora Energy, Inc. partnered with Pratt Community College on a paid internship program offering local students hands-on energy and electrical systems experience, while prioritizing local candidates for permanent plant operations roles in Kansas.

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Antora Energy Filings

Explore SEC and related filing metadata, where available.

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

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Frequently Asked Questions

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

Is Antora Energy a public or private company?

Antora Energy is a private company.

What is the current stock price of Antora Energy?

Antora Energy is a private company, so its shares have no public market price. Caplight tracks Antora Energy's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Antora Energy worth (valuation)?

Antora Energy's valuation is estimated at $2.5B based on funding round data.

Can I buy Antora Energy stock?

Antora Energy shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Antora Energy's last funding round?

Antora Energy's most recent funding round was Series C on July 30, 2026.

Who are the main investors in Antora Energy?

Key investors in Antora Energy include Breakthrough Energy Ventures, Eclipse Ventures, Breakthrough Energy Foundation, Decarbonization Partners, Lowercarbon Capital.

Will Antora Energy IPO soon?

No public IPO plans have been announced for Antora Energy.

How can I track Antora Energy secondary market activity?

Caplight tracks bids, offers, and trades in Antora Energy's shares on secondary markets.

Firmographic Details

HeadquartersSunnyvale, California
Employee Range227
Year Founded2018
Last FundingJul 30, 2026

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