Developer of deep-ocean geothermal energy harvesting infrastructure.
Developer of deep-ocean geothermal energy harvesting infrastructure. Headquartered in Seattle, WA. Raised $54M in Series A funding in June 2026 led by Founders Fund.
Energy📍 Seattle, WA
Current Valuation
Private
PRIVATE
IPO Outlookprivate
Is Endurance Energy going public?
No. Endurance Energy is private and has not filed to go public. There is no S-1 on file.
What is Endurance Energy's valuation in 2026?
No confirmed valuation is on record for Endurance Energy. The roster shows funding and investors where they are public; it does not estimate a mark.
Has Endurance Energy filed an S-1?
No public S-1 is on file for Endurance Energy.
Who are Endurance Energy's investors?
Endurance Energy's investors include Founders Fund, Ascend, Construct Capital, Felicis Ventures, First Round Capital, Point72 Ventures and 2 more.
How much has Endurance Energy raised?
Endurance Energy has raised $54M in total across 1 disclosed round, most recently a Series A of $54M in Jun 2026.
Is Endurance Energy publicly traded — can you buy Endurance Energy stock?
No. Endurance Energy is a private company — its shares are not listed on any exchange and there is no ticker. The routes to exposure are pre-IPO secondary marketplaces and funds (accredited investors), employee tender offers when the company runs one, and public companies with read-through exposure. QuantLogix maps every route it can verify for Endurance Energy on its Pre-IPO Access Desk.
Answers are derived from the roster record shown on this page — filing status, last round and confirmed marks. Where the record is silent, the answer says so rather than guessing.
Company Profile
CEO
Andrew Redd
HQ
Seattle, WA
Total Raised
$54M
Last Round
Series A — $54M (Jun 2026) · Lead: Founders Fund
IPO Status
private
Fundraising Status
Series A · $54M · 3 mo ago
privateTotal raised $54M1 disclosed rounds
Funding History
Round
Amount
Date
Lead Investor
Post-Money
Series A
$54M
Jun 2026
Founders Fund
—
Talent Signal
Hiring trend
▶ Hiring steady
0% vs 2026-08
Open roles
18
via ashby
Product-build share
44%
engineering, research, product, design
Trajectory
steady
balanced build + GTM — 44% builders vs 56% go-to-market/G&A — scaling both sides.
Actively hiring with no tracked executive churn.
Open roles by month
Open roles by function
■ product-building ■ go-to-market / G&A
Senior Mechanical EngineerSuper EngineerSenior Electrical EngineerSenior Integration & Test Engineer (Fluids & Controls)Senior Power Electronics EngineerSenior Test Infrastructure Software Engineer
Counted from Endurance Energy's live job board as of 2026-09-14; role functions classified from posting titles. Open-role counts are an activity signal, not headcount. Refreshed monthly.
Founders & Key People
Andrew Redd
Investors
Founders Fund · Ascend · Construct Capital · Felicis Ventures · First Round Capital · Point72 Ventures · Riot Ventures · Voyager Ventures
EnergyGeothermalRecently Funded
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of recent date. Refreshed quarterly.