Vlad Ilyushchenko Net Worth (Estimated)

Who is Vlad Ilyushchenko?

Vlad Ilyushchenko is a co-founder of QuestDB, a high-performance time series database company. He participated in Y Combinator's Summer 2020 batch.

Highlights:

• Y Combinator S20
• QuestDB
• Tech entrepreneur

About QuestDB

QuestDB is a high-performance open source database for the most demanding workloads. Native support for Parquet, Iceberg and SQL keeps your data portable, AI-ready, without vendor lock-in.

QuestDB is designed from the ground up to operate as close to the hardware as possible - eliminating ingestion bottlenecks and lowering overall hardware requirements.

QuestDB powers mission-critical infrastructure for...

Model inputs

• Stage: series-a
• Valuation tier: raise-10x
• Funding input: reported raise $12.0M
• Valuation note: Replace leftover $15M gemini seed. Lock the published $12M Series A, not lifetime $14.3M.
• Research as-of: 2026-09-14
• Funding source: https://www.globenewswire.com/news-release/2021/11/03/2326514/0/en/QuestDB-raises-12M-Series-A-as-the-adoption-of-its-time-series-database-grows.html

FAQ: Vlad Ilyushchenko net worth and QuestDB valuation

What is Vlad Ilyushchenko's net worth?

Vlad Ilyushchenko's estimated net worth / paper wealth is $11.2M (range $7.8M–$16.8M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

Vlad Ilyushchenko net worth

Vlad Ilyushchenko's estimated net worth / paper wealth is $11.2M (range $7.8M–$16.8M) as of 2026. This Vlad Ilyushchenko net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Vlad Ilyushchenko worth?

Vlad Ilyushchenko's estimated net worth / paper wealth is $11.2M (range $7.8M–$16.8M) as of 2026. How much Vlad Ilyushchenko is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Vlad Ilyushchenko?

Vlad Ilyushchenko's estimated net worth / paper wealth is $11.2M (range $7.8M–$16.8M) as of 2026. “How rich is Vlad Ilyushchenko” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Vlad Ilyushchenko fortune

Vlad Ilyushchenko's estimated net worth / paper wealth is $11.2M (range $7.8M–$16.8M) as of 2026. This Vlad Ilyushchenko fortune figure is estimated paper wealth only, not a verified statement of assets.

Vlad Ilyushchenko equity value

Vlad Ilyushchenko's estimated net worth / paper wealth is $11.2M (range $7.8M–$16.8M) as of 2026. Vlad Ilyushchenko equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is QuestDB valuation?

QuestDB's estimated valuation on Entrepreneurial Check is $120.0M. Independent model output, not a verified appraisal or official mark.

What is QuestDB post-money valuation?

QuestDB's estimated valuation on Entrepreneurial Check is $120.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.

What is QuestDB funding?

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

How much did QuestDB raise?

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

How much money did QuestDB raise?

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

What is QuestDB series funding?

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

What company is Vlad Ilyushchenko building?

Vlad Ilyushchenko is Founder at QuestDB, a Y Combinator-backed startup (batch S20).

What does QuestDB do?

QuestDB — High-performance time series database

What YC batch is Vlad Ilyushchenko from?

Vlad Ilyushchenko is associated with Y Combinator batch S20.

Where is Vlad Ilyushchenko based?

Public directory data lists Vlad Ilyushchenko's region as United Kingdom.

What industry is Vlad Ilyushchenko in?

Vlad Ilyushchenko is listed under B2B, Infrastructure.

How big is QuestDB?

Public data lists QuestDB's team size as 30.

What else is notable about Vlad Ilyushchenko?

Y Combinator S20.

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.