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Steven Stewart estimated net worth profile

Steven Stewart net worth

Steven Stewart Net Worth 2026 (Estimated) · CTO at Quantstamp · YC W18
est. wealth $8.0M

Quick answer

Steven Stewart's estimated net worth is $8.0M (range $5.6M – $12.0M) as of 2026. Steven Stewart is CTO at Quantstamp. Quantstamp valuation.

Steven Stewart is CTO at Quantstamp (YC W18). Independent Entrepreneurial Check model estimate from public YC data.

At a glance

NameSteven Stewart
RoleCTO
CompanyQuantstamp
YC batchW18
Est. company val$20.0M
Assumed ownership40%
Est. paper wealth / net worth$8.0M
$5.6M – $12.0M

Who is Steven Stewart?

Steven Stewart is a founder at Quantstamp, which is focused on blockchain security. He was part of the Y Combinator W18 cohort.

Highlights:

  • Y Combinator W18
  • Quantstamp

About Quantstamp

Quantstamp has protected billions in digital assets from hackers on our mission to secure web3. As a global team of security professionals, we have honed our technology and expertise through hundreds of audits and gained the trust of our clients to keep their innovative products safe.

In addition to providing an array of security services, we facilitate the growth and longevity of the web3 space through...

FAQ: Steven Stewart net worth and Quantstamp valuation

What is Steven Stewart's net worth?

Steven Stewart's estimated net worth is $8.0M (range $5.6M – $12.0M) as of 2026. Steven Stewart is CTO at Quantstamp. 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 Quantstamp valuation?

Quantstamp'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 Steven Stewart's role?

Steven Stewart is CTO at Quantstamp, a Y Combinator-backed startup (batch W18).