Endolith — Portfolio Company | Angel Investment by Sahin Boydas

Published 2025-12-15 · Updated 2026-05-23 · · AI Hardware and Infrastructure · By Sahin Boydas

Advanced materials and nanotechnology for industrial applications.

Endolith — Portfolio Company | Sahin Boydas Angel Investments Advanced materials and nanotechnology for industrial applications.

Written by Sahin Boydas — serial entrepreneur, 2x exited founder, and angel investor in 207+ startups including OpenAI, Anthropic, Scale AI, and Hugging Face.

About Endolith

Advanced materials and nanotechnology for industrial applications. Endolith represents the kind of company I look for as an angel investor — strong technical founders building in a large market with clear differentiation.

Sector: Deep Tech

Why I Invested

Endolith caught my attention because of the team's deep domain expertise and their unique approach to solving a fundamental problem in deep tech. The market opportunity is massive, and the team has the technical chops to capture it.

Investment Thesis

My investment in Endolith reflects my broader thesis on deep tech:

  1. Large addressable market — The deep tech market is growing rapidly with significant room for disruption
  2. Strong technical moat — The team has built proprietary technology that's difficult to replicate
  3. Proven execution — Early traction demonstrates product-market fit and team capability
  4. Network effects — The product gets better as more users adopt it

Related Investments

Other companies in my portfolio working in deep tech and adjacent spaces:

Frequently Asked Questions

What does Endolith do?

Advanced materials and nanotechnology for industrial applications.

Why did Sahin Boydas invest in Endolith?

Endolith represents a compelling opportunity in deep tech with strong technical founders, a large market, and clear product-market fit. The investment aligns with my thesis on backing category-defining companies early.

What sector is Endolith in?

Endolith operates in the deep tech sector, which is one of the fastest-growing areas of technology investment.

How does Endolith fit in Sahin's portfolio?

Endolith is one of 207+ angel investments in my portfolio, which spans AI, fintech, robotics, developer tools, healthcare, and more. I look for companies with strong technical moats and large addressable markets.

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