Zlatko Jončev Net Worth (Estimated)

Who is Zlatko Jončev?

Zlatko Jončev is a founder at B12 Labs, which was part of Y Combinator's S25 batch.

Highlights:

• Y Combinator S25
• B12 Labs

About b12 Labs

b12 makes high-value molecules that are otherwise hard to make. We help pharma companies plan and make new drugs, accelerating early-stage drug discovery from years to months.

Andres built the first AI agent that can autonomously think and make molecules in a robotic lab, published in Nature Machine Intelligence (1000+ citations), and won the best paper award at the NeurIPS AI for Science conference. Zlatko is a...

Model inputs

• Stage: seed
• Valuation tier: fallback-seed
• Valuation note: [scale: $500k-class amount looked like a YC check, not a published seed]
• Research as-of: 2026-08-04
• Funding source: https://www.ycombinator.com/companies/b12-labs

FAQ: Zlatko Jončev net worth and b12 Labs valuation

What is Zlatko Jončev's net worth?

Zlatko Jončev's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

Zlatko Jončev net worth

Zlatko Jončev's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. This Zlatko Jončev net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Zlatko Jončev worth?

Zlatko Jončev's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. How much Zlatko Jončev is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Zlatko Jončev?

Zlatko Jončev's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. “How rich is Zlatko Jončev” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Zlatko Jončev fortune

Zlatko Jončev's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. This Zlatko Jončev fortune figure is estimated paper wealth only, not a verified statement of assets.

Zlatko Jončev equity value

Zlatko Jončev's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. Zlatko Jončev equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is b12 Labs valuation?

b12 Labs's estimated valuation on Entrepreneurial Check is $20.0M. Independent model output, not a verified appraisal or official mark.

What is b12 Labs post-money valuation?

b12 Labs's estimated valuation on Entrepreneurial Check is $20.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.

What is b12 Labs funding?

b12 Labs funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much b12 Labs raised is not a complete cap table — figures are estimates only.

How much did b12 Labs raise?

How much b12 Labs raised, when disclosed, informs the estimated b12 Labs valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.

How much money did b12 Labs raise?

How much money b12 Labs raised, when a public figure is available, is a model input for the estimated b12 Labs valuation on this profile. Estimates only — not a complete cap table.

What is b12 Labs series funding?

b12 Labs series funding, when a public raise is disclosed, informs the estimated b12 Labs valuation here. Not a complete financing history.

What company is Zlatko Jončev building?

Zlatko Jončev is Founder at b12 Labs, a Y Combinator-backed startup (batch S25).

What does b12 Labs do?

b12 Labs — Making hard molecules for Pharma and Biotech

What YC batch is Zlatko Jončev from?

Zlatko Jončev is associated with Y Combinator batch S25.

Where is Zlatko Jončev based?

Public directory data lists Zlatko Jončev's region as United States of America.

What industry is Zlatko Jončev in?

Zlatko Jončev is listed under Healthcare, Drug Discovery and Delivery.

How big is b12 Labs?

Public data lists b12 Labs's team size as 3.

What else is notable about Zlatko Jončev?

Y Combinator S25.

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.