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Xiaochuan Yu estimated net worth profile

Xiaochuan Yu net worth

Xiaochuan Yu Net Worth 2026 (Estimated) · Founder at Nebula Security · YC S26
est. wealth $3.33M

Quick answer

Xiaochuan Yu's estimated net worth is $3.33M (range $2.33M – $5.0M) as of 2026. Xiaochuan Yu is Founder at Nebula Security. Nebula Security valuation.

Xiaochuan Yu is Founder at Nebula Security (YC S26). Independent Entrepreneurial Check model estimate from public YC data.

At a glance

NameXiaochuan Yu
RoleFounder
CompanyNebula Security
YC batchS26
Est. company val$20.0M
Assumed ownership16.7%
Est. paper wealth / net worth$3.33M
$2.33M – $5.0M
  • Company status: Active
  • Education: Stanford University
  • Region: United States of America
  • Industries: B2B, Security
  • Team size: 4
  • Website: https://nebusec.ai

Who is Xiaochuan Yu?

Xiaochuan Yu is a founder of Nebula Security, a startup that participated in Y Combinator's Summer 2026 batch.

Highlights:

  • Stanford University
  • Microsoft
  • Y Combinator S26

About Nebula Security

Nebula Security is an AI-native cybersecurity company founded by world-class hackers.

Nebula Security provides Mythos-level cybersecurity reviews and product security auditing, conducted by our state-of-the-art AI agent and world-class hackers themselves, covering everything from code-level vulnerabilities to architectural weak points.

We were the first team to build an nginx RCE and the first to root Android...

FAQ: Xiaochuan Yu net worth and Nebula Security valuation

What is Xiaochuan Yu's net worth?

Xiaochuan Yu's estimated net worth is $3.33M (range $2.33M – $5.0M) as of 2026. Xiaochuan Yu is Founder at Nebula Security. Entrepreneurial Check publishes an independent model-based estimate from public company and role data. Not verified net worth, and Entrepreneurial Check is not affiliated with Y Combinator or the profiled companies.

What is Nebula Security valuation?

Nebula Security's estimated valuation on Entrepreneurial Check is $20.0M. That valuation, or a disclosed round when one is public, is the source for the paper-wealth estimate. Independent model output — not a verified appraisal or official mark.

What is Xiaochuan Yu's role?

Xiaochuan Yu is Founder at Nebula Security, a Y Combinator-backed startup (batch S26).