Skip to main content
Caplight Logo









Pacific Fusion

Pacific Fusion

Private
Fremont, CaliforniaEnergy & Sustainabilityhttps://www.pacificfusion.com/

Last Round

Grant

Sep 26, 2025

Est. Valuation

$4B

Total Funding Raised

$910M

Momentum

Top 10%

of companies Caplight tracks

Company Overview

Pacific Fusion is an energy company that develops pulsed magnetic fusion systems to provide abundant, affordable, and clean energy.

Sector

Energy & Sustainability

Verticals

Renewable Energy

Business Model

B2B

Customer Profile

Services & Consulting

AI Layer

Non-AI

Keywords

fusion energypulsed powerclean energybaseload powerfusion technet energy gaindeep techfusion startupenergy infrastructurecommercial fusionpulsed power fusionfusion prototypeclean techclimate tech

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

Pacific Fusion Comparables

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

Pacific Fusion comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Helion Energy
84%
Commonwealth Fusion Systems
84%
Zap Energy
83%

Pacific Fusion Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
GrantSep 26, 2025
Series AOct 26, 2024

Key People

Founding team and executive leadership

Keith LeChien

Founder and CTO

Founding Team

Pacific Fusion Investors

Notable investors and investment history

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 21, 2026

    Monthly visitors increased 56% MoM.

  • Jul 28, 2026

    Grew 19% QoQ, from 181 to 215 employees.

Pacific Fusion Filings

Explore SEC and related filing metadata, where available.

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

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Request access

Appears On

Curated lists and screens where this company is featured.

Frequently Asked Questions

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

Is Pacific Fusion a public or private company?

Pacific Fusion is a private company.

What is the current stock price of Pacific Fusion?

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

How much is Pacific Fusion worth (valuation)?

Pacific Fusion's valuation is estimated at $4.0B based on funding round data.

Can I buy Pacific Fusion stock?

Pacific Fusion 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 Pacific Fusion's last funding round?

Pacific Fusion's most recent funding round was Grant on October 25, 2024.

Who are the main investors in Pacific Fusion?

Key investors in Pacific Fusion include General Catalyst.

Will Pacific Fusion IPO soon?

No public IPO plans have been announced for Pacific Fusion.

How can I track Pacific Fusion secondary market activity?

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

Firmographic Details

HeadquartersFremont, California
Employee Range182
Year Founded2023
Last FundingSep 26, 2025

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?