Valthos
New York, US · Founded 2024 · Delaware corporation · 14 employees on LinkedIn · 4 known investors
Valthos develops AI systems to identify biological threats and design medical countermeasures in real time for biodefense applications.
Founders & leadership
KM
Kathleen McMahonExecutive
Board
TV
Investors · 4
Lux Capital✓ verifiedNew York · $100K – $100M
Founders Fund✓ verifiedSan Francisco · $500K – $5M
OpenAI Startup Fundreported · 2 sourcesSan Francisco · $1M
Also in the syndicate · 1
OpenAI
Reported raises · per SEC filings
Form D private placements$27.3M disclosed across 1 round · 2025
▶$27.3MraisedApr 2026 · 5 investors · Other TechnologyRule 506(b)
▶$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
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 4
by search overlap
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.
Kartosthera4 shared keywordsKartos Therapeutics develops targeted oral therapeutics for cancer, including Navtemadlin, an MDM2 inhibitor aimed at the MDM2-p53 interaction to treat selected solid tumors and hematological malignancies. The company focuses on novel small-molecule drugs for oncology patients.
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.
Valo3 shared keywordsValo Health applies technology and data to drug discovery, working across the technology, biotech, and healthcare fields. It positions itself as a company focused on reshaping how new drugs are discovered.
Companies competing with Valthos for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Valthos do?
- Valthos develops AI systems to identify biological threats and design medical countermeasures in real time for biodefense applications.
- Who are Valthos's investors?
- Valthos's investors include Lux Capital, Founders Fund, OpenAI Startup Fund.
- How much funding has Valthos raised?
- Valthos has disclosed $27.3M raised across 1 round.
- Where is Valthos headquartered?
- Valthos is headquartered in New York, US.