Maritime Fusion

SeedFunding signal

Market data is refreshed once per day from public sources. Information may be incomplete or outdated — verify independently before making decisions. This is not investment advice.

Investor read

Evidence-bound summary — expand sections for movement, risks, and signals.

Memo snapshot · May 20, 2026, 6:16 PM

Worth a meetingEvidence-bound analyst verdict

•Funding: Raised $4.5M across 1 funding round. Latest: $4.5M Seed (Nov 2025). Investors: Trucks Venture Capital, Paul Graham, Alumni Ventures, Aera VC, Y Combinator.
•Named backers in indexed sources: Trucks Venture Capital, Paul Graham, Alumni Ventures, Aera VC.
•Product/news: 3 product/news‑styled row(s); headline risk without filings

What would change this read

→Open roles appearing would signal burn capacity and growth intent.

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TL;DR

Unknown

Maritime Fusion Tokamak fusion reactors for marine vessels and remote installations.

Funding

Raised $4.5M across 1 funding round. Latest: $4.5M Seed (Nov 2025). Investors: Trucks Venture Capital, Paul Graham, Alumni Ventures, Aera VC, Y Combinator. (Medium).

Quick read

•Maritime Fusion Tokamak fusion reactors for marine vessels and remote installations.
•Reported angle: Blog

Key signals

Funding

Raised $4.5M across 1 funding round. Latest: $4.5M Seed (Nov 2025). Investors: Trucks Venture Capital, Paul Graham, Alumni Ventures, Aera VC, Y Combinator. (Medium).

Product / news

3 product/news‑styled row(s); headline risk without filings (High).

Evidence summary

Verified facts

•Maritime Fusion Tokamak fusion reactors for marine vessels and remote installations.
•Reported angle: Blog

Recent movers

•May 11, 2026 · Blog / news — Blog
•May 20, 2026 · maritimefusion.com — Maritime Fusion YC blog
•May 20, 2026 · prnewswire.com — Maritime Fusion Raises $4.5M

•May 11, 2026 · Blog / news — Blog
•May 20, 2026 · maritimefusion.com — Maritime Fusion YC blog
•May 20, 2026 · prnewswire.com — Maritime Fusion Raises $4.5M

•Trucks Venture Capital
•Paul Graham
•Alumni Ventures
•Aera VC
•Y Combinator

Suggested next steps

▸Open a founder conversation this month; validate traction claims against the indexed evidence.
▸Add to the active watchlist so new signals trigger alerts.

Funding & hiring signals

fundingConfidence: high

Funding mention on Blog

Blog Home About us Press & News Join our team We’re onboarding early partners, hiring fast, building hardware and finalizing our first prototype. Don’t miss the boat, the future of energy won’t wait. Engineer Energy Partner Investor Get in touch [email protected] Choose

Affected score: noObserved: Jun 29, 2026

funding_articleMay 20, 2026Confidence: high

Maritime Fusion Raises $4.5M

Seed for HTS cable and low-power-density tokamak for maritime/off-grid fusion; ex-Tesla founders.

Affected score: yesObserved: May 20, 2026Round: SeedAmount: $4.5M

raisedseed

Open roles (indexed)

No open roles indexed yet.

Public index

85Activity 97/100Strong public activity signal

7D—

30D+24 (+39.3%)

Needs Review

The index price and activity score are algorithmic estimates based on observed public company-level signals. They may be incomplete, stale, or inaccurate and are not investment, legal, tax, or business advice.

Source health

public_page:blogok
Last checked Thu, Jul 2, 03:34 PM
public_page:aboutok
Last checked Thu, Jul 2, 03:34 PM
public_page:homeok
Last checked Thu, Jul 2, 03:34 PM
public_market_enrichmentok
Last checked Mon, May 11, 04:47 AM
public_page:_blog_y-combinator-backed-maritime-fusionok
Last checked Mon, May 11, 04:47 AM
public_page:_blogok
Last checked Mon, May 11, 04:47 AM
public_page:_aboutok
Last checked Mon, May 11, 04:47 AM
public_page:_ok
Last checked Mon, May 11, 04:47 AM

Signal timeline

11 dated public signals · newest on the right

Funding

Press

Company

Other

Nov 15, 2025Mar 14, 2026Jul 11, 2026

Funding (2)Press (2)Company (5)Other (2)

Signal breakdown

Latest momentum signal per category. Expand a card to inspect raw payloads.

Public source summary

Total evidence rows: 11
Latest evidence: Thu, Jul 2, 03:34 PM

Source types found

about_pageblogfundingfunding_articleofficial_siteotherpress

Strongest / recent news-style rows

About
About page · Thu, Jul 2, 03:34 PM · confidence 90%high quality
Funding mention on Blog
official_site_funding · Mon, Jun 29, 05:12 AM · confidence 80%high quality
Maritime Fusion YC blog
Wed, May 20, 06:16 PM · confidence 85%high quality

Public signal timeline

Newest first · 11 event(s)

Thu, Jul 2, 03:34 PM · blog · 90% · publichigh qualityBlog

Source: Blog

Follow Maritime Fusion's progress building compact, zero-emission fusion reactors for maritime transport. Engineering breakthroughs and updates.

Source ↗

Thu, Jul 2, 03:34 PM · about_page · 90% · publichigh qualityAbout

Source: About page

Maritime Fusion builds robust fusion reactors for marine deployment. Founded by SpaceX and Tesla engineers, we're decarbonizing maritime transport.

Source ↗

Thu, Jul 2, 03:34 PM · official_site · 90% · publichigh qualityMaritime Fusion

Source: Homepage

Building first-of-a-kind tokamak fusion reactors for marine vessels and remote installations. Zero emissions, no refueling, global range. Join the mission.

Source ↗

Mon, Jun 29, 05:12 AM · official_site · 75% · publichigh qualityMaritime Fusion

Source: official_site

Maritime Fusion Home About us Press & News Join our team We’re onboarding early partners, hiring fast, building hardware and finalizing our first prototype. Don’t miss the boat, the future of energy won’t wait. Engineer Energy Partner Investor Get in touc…

Source ↗

Mon, Jun 29, 05:12 AM · official_site · 75% · publichigh qualityBlog

Source: official_site

Source ↗

Mon, Jun 29, 05:12 AM · official_site · 75% · publichigh qualityAbout

Source: official_site

About Home About us Press & News Join our team We’re onboarding early partners, hiring fast, building hardware and finalizing our first prototype. Don’t miss the boat, the future of energy won’t wait. Engineer Energy Partner Investor Get in touch [email&#…

Source ↗

Mon, Jun 29, 05:12 AM · funding · 80% · publichigh qualityFunding mention on Blog

Source: official_site_funding

Source ↗

Wed, May 20, 06:16 PM · press · 85% · verified_publichigh qualityMaritime Fusion YC blog

Company blog on HTS cables and tokamak development.

Source ↗

Mon, Jun 29, 05:12 AM · other · 50% · publicmedium qualityMaritime Union of Australia

Source: wikipedia

Source ↗

Mon, Jun 29, 05:12 AM · other · 50% · publicmedium qualityMaritime Union

Source: wikipedia

Source ↗

Wed, May 20, 06:16 PM · funding_article · 88% · verified_publicmedium qualityMaritime Fusion Raises $4.5M

Seed for HTS cable and low-power-density tokamak for maritime/off-grid fusion; ex-Tesla founders.

Source ↗

Official / company site

4 row(s)

The company's own site — the authoritative description of what they sell and to whom. Marketing-controlled, so treat claims as positioning rather than verified traction.

official_site·Thu, Jul 2, 03:34 PM·Confidence 90%high qualitypublic

Maritime Fusion

Building first-of-a-kind tokamak fusion reactors for marine vessels and remote installations. Zero emissions, no refueling, global range. Join the mission.

Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.

Open source ↗

official_site·Mon, Jun 29, 05:12 AM·Confidence 75%high qualitypublic

Maritime Fusion

Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.

Open source ↗

official_site·Mon, Jun 29, 05:12 AM·Confidence 75%high qualitypublic

Blog

Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.

Open source ↗

official_site·Mon, Jun 29, 05:12 AM·Confidence 75%high qualitypublic

About

Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.

Open source ↗

News

4 row(s)

Third-party press coverage. Independent reporting corroborates company claims; repeated coverage across outlets is a momentum signal.

about_page·Thu, Jul 2, 03:34 PM·Confidence 90%high qualitypublic

About

Maritime Fusion builds robust fusion reactors for marine deployment. Founded by SpaceX and Tesla engineers, we're decarbonizing maritime transport.

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗

press·Wed, May 20, 06:16 PM·Confidence 85%high qualityverified_public

Maritime Fusion YC blog

Company blog on HTS cables and tokamak development.

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗

other·Mon, Jun 29, 05:12 AM·Confidence 50%medium qualitypublic

Maritime Union of Australia

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗

other·Mon, Jun 29, 05:12 AM·Confidence 50%medium qualitypublic

Maritime Union

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗

Funding / news

2 row(s)

Funding announcements and investor-database records. The strongest public signal of capitalization: round, amount, and syndicate quality when disclosed.

funding·Mon, Jun 29, 05:12 AM·Confidence 80%high qualitypublic

Funding mention on Blog

Why it matters: Funding signal — seed per this source; verify against the linked original before relying on it.

Open source ↗

funding_article·Wed, May 20, 06:16 PM·Confidence 88%medium qualityverified_public

Maritime Fusion Raises $4.5M

Seed for HTS cable and low-power-density tokamak for maritime/off-grid fusion; ex-Tesla founders.

Why it matters: Funding signal — Seed per this source; verify against the linked original before relying on it.

Open source ↗

Blog

1 row(s)

Company blog and newsletters. Shipping cadence and technical depth of posts hint at product velocity and team quality.

blog·Thu, Jul 2, 03:34 PM·Confidence 90%high qualitypublic

Blog

Follow Maritime Fusion's progress building compact, zero-emission fusion reactors for maritime transport. Engineering breakthroughs and updates.

Why it matters: Company publishing — post cadence and depth hint at product velocity.

Open source ↗

Private workspace

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Maritime Fusion

Investor read

Quick read

Key signals

Evidence summary

Recent movers

Suggested next steps

Funding & hiring signals

Funding mention on Blog

Maritime Fusion Raises $4.5M

Open roles (indexed)

Source health

Signal breakdown

Funding

Social

Product Launch

Public source summary

Public signal timeline

Official / company site

News

Funding / news

Blog

Private workspace