Why it ranks
How the rank works- went through YCProgram · this site+4
- team of 4Team size · YC's directory+3.6
A sum of public facts, not a judgement and not investment advice.
Competitors
| Company | Category | Status | Program |
|---|---|---|---|
| AI | Active | YCW16 |
Adjacent
| Company | Category | Status | Program |
|---|---|---|---|
| AI | Not stated | EF2016 | |
| AI | Not stated | EF2017 | |
| Other | Not stated | MassChallengeSwitzerland and UK 2026 | |
| AI | Not stated | EF2020 | |
| AI | Not stated | Plug and Play |
Also from X26
All of X26About Lumius
Ultrasound today is still mostly 2D. Clinicians have to imagine the 3D anatomy in their head while also moving the probe at the same time. This makes procedures like vascular access hard to learn and perform consistently, especially for beginners. ~50% fail on their first attempt. Hospitals also spend millions each year on 2D ultrasound training. Meanwhile, existing 3D ultrasound devices can cost >10× as much. Lumius is building fast, smart, and accessible 3D ultrasound systems to eliminate this 2D guesswork. Our technology shows a clear, real-time 3D view of what’s inside the body. It works over a large volume, not just a thin slice. The device is also affordable, compact, and portable. We are starting with vascular access, especially central line. Future use cases include blood clot detection, tumor diagnosis, and biopsy guidance. Our long-term vision is a universal 3D ultrasound platform that brings easy-to-use, real-time imaging to a wide range of clinical and eventually consumer applications.
- YC batch
- X26 · Spring 2026
- Status, per YC
- Active
- Category
- Other
- Team size
- 4
- Location
- Durham, NC, USA
- Checked
- 13h ago
Changes seen
Stopped hiring.
Lumius: questions
Which YC batch was Lumius in?
Lumius was in Y Combinator's Spring 2026 batch (X26).
Is Lumius still active?
Y Combinator lists Lumius as active.
Where is Lumius based?
Lumius lists Durham, NC, USA as its location on YC's directory.