Explore: Fintech · Cybersecurity · Marketplaces · Seed · Series A · Growth
Greylock 18th Fund
Greylock Partners
VC$1BCo-investsLeads rounds
Fund Size
$1B
Check Size
$1.0M→$10.0M
Location
🇺🇸United States
Portfolio
157 companies
Activity
Statusactively investing
Links
Investment Thesis
Bet on the person and support the most important entrepreneurs from the earliest stages; focus on seed and Series A with selective growth-stage follow-ons.
About Greylock 18th Fund
The 18th fund from 61-year-old Greylock Ventures, intentionally capped at $1.5B to maintain a focused investment thesis. The fund will focus primarily on seed and Series A rounds while also backing select later-stage opportunities.
Sectors
aiconsumerenterprisefintechcybersecurityinfrastructuresaasmarketplacescryptoweb3
Stages
seedSeries Agrowth
Geographic focus
us
Portfolio companies
Notable Investments
Airbnb, Coinbase, Facebook, LinkedIn, Roblox, OpenAI, Palo Alto Networks, Workday, Discord, Figma
Verified 17 July 2026 · Sources: company website, Fusion42 review
Frequently asked questions
- What does Greylock 18th Fund invest in?
- Greylock 18th Fund invests in ai, consumer, enterprise, fintech, cybersecurity, infrastructure, saas, marketplaces, crypto and web3 at the seed, series-a and growth stages.
- Which geographies does Greylock 18th Fund focus on?
- Greylock 18th Fund focuses on us, and is headquartered in United States.
- What is Greylock 18th Fund's typical check size?
- Greylock 18th Fund typically writes checks of $1M to $10M.
- Which startups has Greylock 18th Fund backed?
- Greylock 18th Fund has 1 tracked investment on Fusion42, including Oak.