Overview
Subtrate, based in San Francisco, United States, has raised $100M in a Seed round on Oct 28, 2025, with participation from Founders Fund. The company substrate is building America's next-generation semiconductor foundry. The round will be used to accelerate product development, expand the team, and scale go-to-market operations.
Operating in the semiconductor manufacturing sector, Subtrate is positioned to capitalize on growing demand for innovative solutions in this space. The company was founded in 2022 by James Proud. James brings deep domain expertise and a track record of execution that attracted investor confidence in this round. With fresh capital, the company is expected to invest heavily in R&D and talent acquisition, signaling a period of aggressive growth ahead.
Market Outlook
The successful raise validates Subtrate's approach and market opportunity. Industry analysts note that companies at this funding stage typically grow headcount by 40-60% within 12 months and make significant technology purchasing decisions in the first quarter post-funding. This makes Subtrate's leadership team particularly valuable contacts for B2B outreach in the near term.
Why contact Subtrate now
Subtrate's $100M Seed raise signals serious investor confidence in their semiconductor manufacturing play. In the first 90 days post-funding, startups are 3x more likely to respond to outreach and evaluate new partnerships. Their team is hiring, their budget is unlocked, and they need solutions yesterday.
Founders & Contacts
Investors
Company Facts
| Company | Subtrate |
| Amount Raised | $100M |
| Funding Round | Seed |
| Date Raised | Oct 28, 2025 |
| Founded | 2022 |
| Industry | Semiconductor Manufacturing |
| Founders | James Proud |
| HQ Location | San Francisco, United States |
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