Fundraising Fox

Valthos

New York, US · Founded 2024 · Delaware corporation · 3 known investors

valthos.com ↗

Valthos develops AI systems to identify biological threats and design medical countermeasures in real time for biodefense applications.

AI & Machine LearningBiotechDefense Techin /valthos@ValthosTech

Founders & leadership

KM
Kathleen McMahonExecutive Officer, Director
TV
Tess Van StekelenburgDirector

Investors · 3

Lux Capital✓ verifiedNew York · $100K – $100M
Founders Fund✓ verifiedSan Francisco · $500K – $5M
OpenAI Startup FundreportedSan Francisco · $1M

Competitors · 6

by search overlap
Pulse25 shared keywords
Altos Labs4 shared keywordsAltos Labs develops computational and scientific approaches to reverse disease through breakthrough medicines, operating research institutes focused on cell health, computation, and drug discovery.
citybiz4 shared keywordsNot applicable - this is a media/news site
Czytaj więcej4 shared keywords
Kartosthera4 shared keywords
Avantos3 shared keywordsAvantos is an AI-native operating system for client management that uses AI agents to handle onboarding, servicing, and growth workflows while integrating with existing enterprise technology stacks. The platform targets financial services and enterprise software companies.

Companies competing with Valthos for the same Google search keywords, organic and paid, via search-intersection analysis.

Reported raises · per SEC filings

Form D private placements
▶$27.3MraisedApr 2026 · 5 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Tess Van StekelenburgDirector
  • Kathleen McMahonExecutive Officer, Director
Offering amount
$27.5M
Amount sold
$27.3M
First sale
Aug 2025
Incorporated
Corporation, Delaware, 2024
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

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