Thomas Eiden Net Worth (Estimated)

Who is Thomas Eiden?

Thomas Eiden is a founder of Atomic Alchemy, which was part of Y Combinator's Winter 2019 cohort.

Highlights:

• Y Combinator W19
• Atomic Alchemy

About Atomic Alchemy

Atomic Alchemy is building a bank of reactors to produce the nuclear material that goes into nuclear medicine. Radiopharmaceuticals are vitally important in biological tracers, diagnostic imaging, and cancer treatments.

Currently, the world's supply of Molybdenum-99, the cornerstone of 80% of all nuclear medicine procedures, is sourced from just six government-run, scientific research reactors abroad. Five of...

Model inputs

• Stage: acquired
• Valuation tier: fallback-acquired
• Valuation note: Clear leftover $28.4M acquisition scrape. That is Oklo purchase accounting, not a priced primary. Do not lock the $25M deal or invent a seed.
• Research as-of: 2026-09-14
• Funding source: https://www.businesswire.com/news/home/20250305501243/en/Oklo-Closes-Acquisition-of-Radioisotope-Producer-Atomic-Alchemy

FAQ: Thomas Eiden net worth and Atomic Alchemy valuation

What is Thomas Eiden's net worth?

Thomas Eiden'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.

Thomas Eiden net worth

Thomas Eiden's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026. This Thomas Eiden net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Thomas Eiden worth?

Thomas Eiden's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026. How much Thomas Eiden is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Thomas Eiden?

Thomas Eiden's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026. “How rich is Thomas Eiden” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Thomas Eiden fortune

Thomas Eiden's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026. This Thomas Eiden fortune figure is estimated paper wealth only, not a verified statement of assets.

Thomas Eiden equity value

Thomas Eiden's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026. Thomas Eiden equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is Atomic Alchemy valuation?

Atomic Alchemy's estimated valuation on Entrepreneurial Check is $100.0M. Independent model output, not a verified appraisal or official mark.

What is Atomic Alchemy post-money valuation?

Atomic Alchemy'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 Atomic Alchemy funding?

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

How much did Atomic Alchemy raise?

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

How much money did Atomic Alchemy raise?

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

What is Atomic Alchemy series funding?

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

What company is Thomas Eiden building?

Thomas Eiden is Founder at Atomic Alchemy, a Y Combinator-backed startup (batch W19).

What does Atomic Alchemy do?

Atomic Alchemy — We produce cancer-curing materials used in nuclear medicine.

What YC batch is Thomas Eiden from?

Thomas Eiden is associated with Y Combinator batch W19.

Where is Thomas Eiden based?

Public directory data lists Thomas Eiden's region as United States of America.

What industry is Thomas Eiden in?

Thomas Eiden is listed under Industrials, Manufacturing and Robotics.

How big is Atomic Alchemy?

Public data lists Atomic Alchemy's team size as 8.

What is Atomic Alchemy's status?

Atomic Alchemy is listed as Acquired in public company data.

What else is notable about Thomas Eiden?

Y Combinator W19.

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.