Portfolio companies we track

Startups in our directory that list Greylock as an investor (34 total).

• Actifio Copy data virtualization and disaster recovery — acquired by Google Cloud in 2020.
• Airbnb Global marketplace connecting guests with short-term stays and experiences.
• Apptio IT financial management and cloud spend optimization software for enterprises.
• Astro Mechanica Supersonic turboelectric adaptive jet engine and aircraft developer.
• Baseten AI inference platform for deploying, serving, and autoscaling production models with OpenAI-compatible APIs.
• Blend Labs Digital lending platform for mortgages and consumer banking (NYSE: BLND).
• Braintrust AI evaluation, observability, and prompt tooling for production LLM products.
• Chia Proof-of-space-and-time blockchain (Chia Network) designed for lower-energy crypto mining.
• Cresta Real-time AI coaching and automation for contact center agents.
• Delphix Database virtualization and test data management (acquired by Perforce, 2024).
• District AI commerce platform for live selling, auctions, and community marketplaces.
• Espresso Shared sequencing marketplace for Ethereum rollups and L2 interoperability.
• Facebook Social network that grew from a Harvard dorm project into Meta's core platform; now trades as META on NASDAQ.
• Figma Collaborative interface design platform that became the default design system tool.
• Instabase Applied AI platform for enterprise unstructured document processing and workflow automation.
• Instagram Mobile photo-sharing app with filters and social graph — acquired by Facebook for ~$1B in 2012.
• Instart Endpoint-aware CDN and application delivery platform — acquired by Akamai in 2020.
• Inventa Brazilian B2B marketplace connecting brands with SMB retailers — inventory plus trade credit.
• Lookout Mobile security platform — malware protection, app risk, and enterprise mobile threat defense.
• LTSE SEC-registered stock exchange and software for long-term company governance.
• Lytro Light-field cameras with post-capture refocus—pivoted to cinema VR, shut down March 2018.
• Massive Health Built The Eatery, a photo food-journal app for wellness—team acquired by Jawbone in 2013.
• Medium Online publishing platform for long-form writing, blogs, and member-supported newsletters.
• Morta Security Advanced threat detection from former NSA engineers—acquired by Palo Alto Networks in 2014.

+10 more in the directory graph (browse related articles below or the startups index).

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