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Maritime Fusion

Seed
maritimefusion.comIndustrialsCA, USA
Market index

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 Information may be incomplete or outdated — verify independently before making decisions.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.

Beta

DealFlow OS uses public web data and automated enrichment. Research may be incomplete, outdated, or incorrect. Verify important information before making investment or outreach decisions.

Investor read

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

Memo snapshot · May 20, 2026, 6:16 PM

Beta

DealFlow OS uses public web data and automated enrichment. Research may be incomplete, outdated, or incorrect. Verify important information before making investment or outreach decisions.

What they do

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
  • •Indexed activity snapshot: 1 funding‑related row(s), 0 hiring‑related, 0 GitHub‑tagged, 3 product/news‑style — scoring reflects corpus coverage only.

Stage

Unknown

Evidence summary

Verified facts

  • •Maritime Fusion Tokamak fusion reactors for marine vessels and remote installations.
  • •Reported angle: Blog
  • •Indexed activity snapshot: 1 funding‑related row(s), 0 hiring‑related, 0 GitHub‑tagged, 3 product/news‑style — scoring reflects corpus coverage only.

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

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).

Hiring

No hiring/careers evidence indexed (Low).

GitHub

No GitHub‑linked evidence indexed (Low).

Product / news

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

Traffic / social

No traffic/social evidence indexed (Low).

Funding & hiring signals

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.

Failed or blocked links

  • public_page:_pressnot_found
    Last checked Mon, May 11, 04:47 AM

    HTTP 404

  • public_page:_newsnot_found
    Last checked Mon, May 11, 04:47 AM

    HTTP 404

  • public_page:_jobsnot_found
    Last checked Mon, May 11, 04:47 AM

    HTTP 404

  • public_page:_companynot_found
    Last checked Mon, May 11, 04:47 AM

    HTTP 404

  • public_page:_careersnot_found
    Last checked Mon, May 11, 04:47 AM

    HTTP 404

DealFlow growth score
47.0Moderate public activity signal
7D+0%
30D+0%
Needs Review

The score is an algorithmic estimate based on observed public company-level signals. It may be incomplete, stale, or inaccurate and is not investment, legal, tax, or business advice.

Source health

  • 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
  • public_page:homeok
    Last checked Mon, May 11, 04:47 AM

DealFlow score momentum

477D +030D +0
100500
2026-05-20: 47

More runs will build history.

The score is an algorithmic estimate based on observed public company-level signals. It may be incomplete, stale, or inaccurate and is not investment, legal, tax, or business advice.

Signal breakdown

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

Public source summary

Total evidence rows
5
Latest evidence
Wed, May 20, 06:16 PM

Source types found

about_pageblogcompany_sitefunding_articlepress

Strongest / recent news-style rows

  • Maritime Fusion YC blog

    Wed, May 20, 06:16 PM · confidence 85%high quality

    https://www.maritimefusion.com/blog/y-combinator-backed-maritime-fusion

  • About

    About / company · Mon, May 11, 04:47 AM · confidence 90%high quality

    https://www.maritimefusion.com/about

  • Maritime Fusion Raises $4.5M

    Wed, May 20, 06:16 PM · confidence 88%medium quality

    https://www.prnewswire.com/news-releases/y-combinator-backed-maritime-fusion-raises-4-5m-from-trucks-vc-paul-graham-302624213.html

Public signal timeline

Newest first · 5 event(s)

1
Wed, May 20, 06:16 PM · company_site · 85% · verified_publichigh quality

Maritime Fusion

Tokamak fusion reactors for marine vessels and remote installations.

Source ↗
2
Wed, May 20, 06:16 PM · press · 85% · verified_publichigh quality

Maritime Fusion YC blog

Company blog on HTS cables and tokamak development.

Source ↗
3
Mon, May 11, 04:47 AM · blog · 90% · publichigh quality

Blog

Source: Blog / news

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

Source ↗
4
Mon, May 11, 04:47 AM · about_page · 90% · publichigh quality

About

Source: About / company

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

Source ↗
5
Wed, May 20, 06:16 PM · funding_article · 88% · verified_publicmedium quality

Maritime 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

1 row(s)

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

Maritime Fusion

Tokamak fusion reactors for marine vessels and remote installations.

https://www.maritimefusion.com/

News

2 row(s)

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

Maritime Fusion YC blog

Company blog on HTS cables and tokamak development.

https://www.maritimefusion.com/blog/y-combinator-backed-maritime-fusion
about_page·Mon, May 11, 04:47 AM·Confidence 90%high qualitypublic

About

Source name: About / company

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

https://www.maritimefusion.com/about

Funding / news

1 row(s)

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.

https://www.prnewswire.com/news-releases/y-combinator-backed-maritime-fusion-raises-4-5m-from-trucks-vc-paul-graham-302624213.html

Blog

1 row(s)

blog·Mon, May 11, 04:47 AM·Confidence 90%high qualitypublic

Blog

Source name: Blog / news

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

https://www.maritimefusion.com/blog

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