Jarred Sumner Net Worth (Estimated)
Founder at Bun · YC S19
Quick answer
Jarred Sumner's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026.
Jarred Sumner is Founder at Bun (YC S19). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Acquired
- Region: United States of America
- Industries: B2B, Infrastructure
- Team size: 13
- Website: https://bun.sh
Who is Jarred Sumner?
Jarred Sumner is the co-founder of Bun, a company that is part of Y Combinator's Summer 2019 batch.
Highlights:
- Y Combinator S19
- Software Development
- Tech Startup
About Bun
Bun is an incredibly fast all-in-one toolkit for building, installing, running, and testing JavaScript and TypeScript. We were born out of frustration with the fragmented, slow JavaScript ecosystem and are on a mission to make JavaScript development faster and more productive.
Model inputs
- Stage: acquired
- Valuation tier: fallback-acquired
- Valuation note: no_discovery_sources [scale: acquired/inactive raise amount not used as 10× input]
- Research as-of: 2026-08-04
- Funding input: no public raise amount found; stage fallback valuation
FAQ: Jarred Sumner net worth and Bun valuation
What is Jarred Sumner's net worth?
Jarred Sumner's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
Jarred Sumner net worth
Jarred Sumner's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026. This Jarred Sumner net worth figure is estimated paper wealth, not a verified statement of assets.
How much is Jarred Sumner worth?
Jarred Sumner's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026. How much Jarred Sumner is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is Jarred Sumner?
Jarred Sumner's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026. “How rich is Jarred Sumner” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
Jarred Sumner fortune
Jarred Sumner's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026. This Jarred Sumner fortune figure is estimated paper wealth only, not a verified statement of assets.
Jarred Sumner equity value
Jarred Sumner's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026. Jarred Sumner equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.
What is Bun valuation?
Bun's estimated valuation on Entrepreneurial Check is $100.0M. Independent model output, not a verified appraisal or official mark.
What is Bun post-money valuation?
Bun's estimated valuation on Entrepreneurial Check is $100.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.
What is Bun funding?
Bun funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Bun raised is not a complete cap table — figures are estimates only.
How much did Bun raise?
How much Bun raised, when disclosed, informs the estimated Bun valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.
How much money did Bun raise?
How much money Bun raised, when a public figure is available, is a model input for the estimated Bun valuation on this profile. Estimates only — not a complete cap table.
What is Bun series funding?
Bun series funding, when a public raise is disclosed, informs the estimated Bun valuation here. Not a complete financing history.
What company is Jarred Sumner building?
Jarred Sumner is Founder at Bun, a Y Combinator-backed startup (batch S19).
What does Bun do?
Bun — Bun is an incredibly fast all-in-one JavaScript toolkit
What YC batch is Jarred Sumner from?
Jarred Sumner is associated with Y Combinator batch S19.
Where is Jarred Sumner based?
Public directory data lists Jarred Sumner's region as United States of America.
What industry is Jarred Sumner in?
Jarred Sumner is listed under B2B, Infrastructure.
How big is Bun?
Public data lists Bun's team size as 13.
What is Bun's status?
Bun is listed as Acquired in public company data.
What else is notable about Jarred Sumner?
Y Combinator S19.
Is Entrepreneurial Check affiliated with Y Combinator?
No. Entrepreneurial Check is an independent informational site and is not affiliated with, endorsed by, or sponsored by Y Combinator or the profiled companies.