Valthos - About the company
Valthos is a seed company based in New York (United States), founded in 2024 by Tess Van Stekelenburg. It operates as a Developer of AI systems for biological threat identification and countermeasure design. Valthos has raised $30M in funding from OpenAI Startup Fund. The company has 346 active competitors, including 82 funded and 51 that have exited. Its top competitors include companies like Adaptive Biotechnologies, MeMed and HaystackAnalytics.
Company Details
Developer of AI systems for biological threat identification and countermeasure design. It builds advanced artificial intelligence to detect biological risks in real time. The company also engineers medical solutions to combat these identified threats. It aims to provide next-generation biodefense capabilities through its technological developments.
- Website
- valthos.com
- Social
Key Metrics
Founded Year
2024
Location
New York, United States
Stage
Seed
Total Funding
$30M in 1 round
Latest Funding Round
Investors
Ranked
45th among 346 active competitors
Employee Count
16 as on Jun 30, 2026
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Valthos's funding and investors
Valthos has raised a total funding of $30M over 1 round. Its latest funding round was a Seed round on Aug 14, 2025 for $*****. 3 investors participated in its latest round. Valthos has 3 institutional investors.
Here is the list of recent funding rounds of Valthos:
Date of Funding | Funding Amount | Round Name | Post-Money Valuation | Revenue Multiple | Lead Investors | Other Investors |
|---|---|---|---|---|---|---|
Aug 14, 2025 | 5227440 | Seed | 4933457 | 5540948 | 6232660 | 6254169 |
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Valthos' founders and board of directors
Founder? Claim ProfileThe founders of Valthos is Tess Van Stekelenburg.
Here are the details of Valthos' key team members:
- Tess Van Stekelenburg: Co-Founder & President of Valthos.
View details of Valthos's Founder profiles and Board Members
Valthos' employee count trend
Valthos has 16 employees as of Jun 26. Here is Valthos's employee count trend over the years:
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Valthos's Competitors and alternates
Top competitors of Valthos include Adaptive Biotechnologies, MeMed and HaystackAnalytics. Here is the list of Top 10 competitors of Valthos, ranked by Tracxn score:
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Rank | Company Details | Short Description | Total Funding | Investors | Tracxn Score |
|---|---|---|---|---|---|
1st |  Adaptive Biotechnologies 2009, Seattle (United States), Public | Provider of clinical diagnostics, and drug discovery for immune diseases | $419M | 77/100 | |
2nd | Provider of machine learning based diagnostic solutions for infectious diseases | $163M | 69/100 | ||
3rd |  HaystackAnalytics 2018, Mumbai (India), Seed | Provider of genomics technology for personalized clinical decisions | $17.3M | 67/100 | |
4th | Inflammatix 2016, San Francisco (United States), Series E | Provider of diagnostic solutions for systemic infections | $191M | 64/100 | |
5th | Daye 2018, London (United Kingdom), Series A | Manufacturer of period care products and provider of health tests | $19.2M | 60/100 | |
6th | Seegene Technologies 2000, Seoul (South Korea), Public | Provider of advanced molecular diagnostics solutions | - | 59/100 | |
7th |  Huwel Life 2015, Hyderabad (India), Series A | Molecular diagnostic solutions and products for the healthcare industry | $5.74M | 59/100 | |
8th |  Oncimmune 2006, Cambridge (United States), Acquired | Immunodiagnostics company developing biomarker platforms for cancer and immune diseases | - | 58/100 | |
9th |  Karius 2014, Redwood City (United States), Series C | Provider of diagnostics for identifying infectious diseases using microbial DNA | $315M | 58/100 | |
10th | Clear Labs 2014, Menlo Park (United States), Series D | Provider of food safety technologies for the identification of pathogens | $171M | 57/100 | |
45th | Valthos 2024, New York (United States), Seed | Developer of AI systems for biological threat identification and countermeasure design | $30M | 42/100 |
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Valthos's Investments and acquisitions
Valthos has made no investments or acquisitions yet.
Reports related to Valthos
Here is the latest report on Valthos's geography:
News related to Valthos
Media has covered Valthos for a total of 2 events in the last 1 year.
•
Valthos Raises $30M from OpenAI, Lux Capital, Founders Fund to Build Next-Generation Biodefenseintelligence360•Nov 14, 2025•Founders Fund, Lux Capital, Valthos
•
OpenAI joins $30m funding for biotech AI startup ValthosTech in Asia•Oct 25, 2025•OpenAI Startup Fund, Founders Fund, Lux Capital, Valthos and 1 other
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