Sergey Bunas net worth
Quick answer
Sergey Bunas's estimated net worth is $8.0M (range $5.6M – $12.0M) as of 2026. Sergey Bunas is Founder at 21st. 21st valuation.
Sergey Bunas is Founder at 21st (YC W26). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Region: United States of America
- Industries: B2B, Engineering, Product and Design
- Team size: 3
- Website: https://21st.dev
Who is Sergey Bunas?
Sergey Bunas is a founder who participated in Y Combinator's W26 batch, focusing on technology and innovation.
About 21st
21st.dev is the largest React component registry for AI applications, used by 2M developers We provide the building blocks to create agent-powered apps: UI components, agent templates.
FAQ: Sergey Bunas net worth and 21st valuation
What is Sergey Bunas's net worth?
Sergey Bunas's estimated net worth is $8.0M (range $5.6M – $12.0M) as of 2026. Sergey Bunas is Founder at 21st. 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 21st valuation?
21st'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 Sergey Bunas's role?
Sergey Bunas is Founder at 21st, a Y Combinator-backed startup (batch W26).