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Substrate

6 known investors

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Substrate is developing a U.S.-based semiconductor foundry, inventing technology aimed at extending Moore's Law while lowering the cost of leading-edge fabs and the wafers they produce.

Deep TechHardwareSemiconductors

Investors · 6

In-Q-Tellisted by In-Q-TelTysons · $100K – $2.5M

How we know: In-Q-Tel's portfolio page · siliconangle.com · Not right? Tell us

Long Journey Ventureslisted by Long Journey VenturesSan Francisco · $100K – $1M

How we know: Long Journey Ventures's portfolio page · siliconangle.com · the VCSheet dataset · Not right? Tell us

Founders FundreportedSan Francisco · $500K – $5M

How we know: a partner's Signal profile · siliconangle.com · Not right? Tell us

Valor Equity PartnersreportedChicago

How we know: siliconangle.com · Not right? Tell us

Also in the syndicate · 1

Allen & Co

Funding

SEC filings, press & company announcements

$100M disclosed across 1 of 2 rounds · 2025–2026

Source: company announcements and press reports — follow each round's link for the claim.

Related companies · 3

General CatalystGeneral Catalyst is a global venture capital and investment firm that backs and builds technology companies across sectors including AI, healthcare, and defense, and manages assets on behalf of its portfolio. The firm also acquires and transforms businesses, such as a hospital system, and incubates its own "hatched" companies.
Forge GlobalForge operates a secondary marketplace where accredited investors can buy and sell shares in private, pre-IPO companies, backed by real-time pricing data, historical valuation trends, and market signals. It provides pricing insights on private companies (including its proprietary Forge Price metric) and offers optional specialist support to facilitate transactions.
Nasdaq Private MarketNasdaq Private Market operates infrastructure for private-company securities, offering liquidity programs (tender offers, buybacks, auctions), a secondary marketplace for accredited investors to buy and sell pre-IPO shares and funds, market data and intelligence, patented settlement technology, and capital-raising solutions. It serves private companies, employee shareholders, institutional and individual investors, and banks/brokers.

Companies working in the same space as Substrate.

Frequently asked questions

What does Substrate do?
Substrate is developing a U.S.-based semiconductor foundry, inventing technology aimed at extending Moore's Law while lowering the cost of leading-edge fabs and the wafers they produce.
Who are Substrate's investors?
Substrate's investors include General Catalyst, In-Q-Tel, Long Journey Ventures, Founders Fund, Valor Equity Partners.
How much funding has Substrate raised?
Substrate has disclosed $100M raised across 1 of its 2 known rounds.