Alex Atallah Net Worth (Estimated)
Founder at OpenSea · YC W18
Quick answer
Alex Atallah's estimated net worth / paper wealth is $488.8M (range $342.1M–$733.2M) as of 2026.
Alex Atallah is Founder at OpenSea (YC W18). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Education: Stanford University
- Region: United States of America
- Industries: Consumer, Content
- Team size: 75
- Website: https://opensea.io
Who is Alex Atallah?
Alex Atallah is a co-founder of OpenSea, a prominent marketplace for non-fungible tokens (NFTs), which he launched during the Winter 2018 Y Combinator batch.
Highlights:
- Stanford University
- Airbnb
- Goldman Sachs
About OpenSea
OpenSea is your home for trading everything onchain. Founded in 2017, OpenSea pioneered the first non-custodial marketplace for digital assets and has evolved into the destination for the entire onchain economy. Trade tokens, culture, ideas, digital assets, and physical assets across all major blockchains.
At OpenSea, you'll be challenged to exceed your own expectations alongside a nimble, talent-dense crew...
Model inputs
- Stage: series-c
- Valuation tier: reported-valuation
- Funding input: reported raise $300.0M
- Current valuation input: $13.3B
- Peak valuation (historical): $13.3B
- Valuation note: Leftover $2M is the 2018 seed, not the last published priced primary. Lock the Paradigm/Coatue Series C. Do not lock lifetime ~$427M.
- Research as-of: 2026-09-14
- Funding source: https://opensea.io/blog/articles/announcing-openseas-new-funding
FAQ: Alex Atallah net worth and OpenSea valuation
What is Alex Atallah's net worth?
Alex Atallah's estimated net worth / paper wealth is $488.8M (range $342.1M–$733.2M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
Alex Atallah net worth
Alex Atallah's estimated net worth / paper wealth is $488.8M (range $342.1M–$733.2M) as of 2026. This Alex Atallah net worth figure is estimated paper wealth, not a verified statement of assets.
How much is Alex Atallah worth?
Alex Atallah's estimated net worth / paper wealth is $488.8M (range $342.1M–$733.2M) as of 2026. How much Alex Atallah is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is Alex Atallah?
Alex Atallah's estimated net worth / paper wealth is $488.8M (range $342.1M–$733.2M) as of 2026. “How rich is Alex Atallah” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
Alex Atallah fortune
Alex Atallah's estimated net worth / paper wealth is $488.8M (range $342.1M–$733.2M) as of 2026. This Alex Atallah fortune figure is estimated paper wealth only, not a verified statement of assets.
Alex Atallah equity value
Alex Atallah's estimated net worth / paper wealth is $488.8M (range $342.1M–$733.2M) as of 2026. Alex Atallah equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.
What is OpenSea valuation?
OpenSea's estimated valuation on Entrepreneurial Check is $13.3B. Independent model output, not a verified appraisal or official mark.
What is OpenSea post-money valuation?
OpenSea's estimated valuation on Entrepreneurial Check is $13.3B. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.
What is OpenSea funding?
OpenSea funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much OpenSea raised is not a complete cap table — figures are estimates only.
How much did OpenSea raise?
How much OpenSea raised, when disclosed, informs the estimated OpenSea valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.
How much money did OpenSea raise?
How much money OpenSea raised, when a public figure is available, is a model input for the estimated OpenSea valuation on this profile. Estimates only — not a complete cap table.
What is OpenSea series funding?
OpenSea series funding, when a public raise is disclosed, informs the estimated OpenSea valuation here. Not a complete financing history.
What company is Alex Atallah building?
Alex Atallah is Founder at OpenSea, a Y Combinator-backed startup (batch W18).
What does OpenSea do?
OpenSea — This isn't just a marketplace; we're shaping the future of digital…
What YC batch is Alex Atallah from?
Alex Atallah is associated with Y Combinator batch W18.
Where did Alex Atallah go to school?
Public profiles associate Alex Atallah with Stanford University.
What other companies is Alex Atallah connected to?
Public associations for Alex Atallah include Airbnb, Goldman Sachs.
Where is Alex Atallah based?
Public directory data lists Alex Atallah's region as United States of America.
What industry is Alex Atallah in?
Alex Atallah is listed under Consumer, Content.
How big is OpenSea?
Public data lists OpenSea's team size as 75.
What else is notable about Alex Atallah?
Stanford University.
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.