Sector portfolio · VC firm · United States

Greylock's AI portfolio

Greylock has backed 63 AI startups in rounds we track, $13B between them, shown by the stage each has reached. The best-funded is Baseten.

63startups backed
6stages
$13Braised between them
Pre-seed and seedbiggest stage

Greylock's whole portfolioGreylock's profile

Segment by segment

Pre-seed and seed

20 startups · $918M raised

  1. CylakeCylake is a cybersecurity startup founded in March 2026, focusing on AI-native, data-driven cybersecurity platforms.United States$290M
  2. RibbonRibbon is a one-page checkout solution enabling merchants accept payments online and make an intuitive checkout experience for customers.United States$271M
  3. TenzaiTenzai is a data science and AI solution provider that focuses on strategic outcomes.-$75M
  4. OakResult-driven service provider with a focus on finance and risk solutions.-$60M
  5. GGretelGRETEL powers interactive, immersive, and intuitive art experiences that allow institutions to truly shine.United States$53M
  6. PinePine operates as a digital mortgage company.Canada$50M
  7. Manas AIManas AI is an innovative biopharmaceutical company founded in 2025, based in New York City.United States$25M
  8. RealmRealm makes it easy to build modern reactive apps, realtime collaborative features, and offline-first experiences.Finland$17M

Series A

16 startups · $848M raised

  1. Resolve AIResolve AI is a technology company founded in 2024 and based in San Francisco, California.United States$200M
  2. 7AI7AI is a Boston-based cybersecurity company that has developed the first agentic security platform.United States$166M
  3. NotableNotable is an AI-powered health start-up that automates and digitizes every physician-patient interaction.United States$145M
  4. AxiamaticAxiamatic is an enterprise AI startup founded in 2021 and based in Menlo Park, California, with additional offices in Saratoga, CaUnited States$54M
  5. Cogent SecurityCogent Security utilizes AI agents to manage vulnerabilities by connecting scanners and prioritizing fixes.United States$42M
  6. AntiochAntioch is a New York-based company specializing in autonomous systems and robotics.United States$40M
  7. Braintrust DataBraintrust offers an AI stack to simplify the process from evaluations to data management, ensuring seamless integration into any business.United States$36M
  8. HighstockWe are the leading AI platform for brands with unsold inventory to find trustworthy wholesale buyers.United States$36M

Series C and later

10 startups · $4.5B raised

  1. CognitionCognition, based in San Francisco, is an artificial intelligence company focused on enhancing software development.United States$3.0B
  2. Abnormal AIAbnormal AI, founded in 2018 by Evan Reiser and Sanjay Jeyakumar, is a leading AI-native cybersecurity company based in San FranciUnited States$250M
  3. ModularModular is an AI software developer platform that unifies the development and deployment of AI for everyone.United States$250M
  4. TrifactaTrifacta delivers an intelligent, collaborative data engineering cloud platform to transform data, ensure quality, and automate pipelines.United States$224M
  5. Entrepreneurs FirstEntrepreneurs First runs programs that identify individuals pursuing technology startups and support them during early company formation.United Kingdom$200M
  6. CleoEmpower people to build a life beyond their next paycheck.United States$132M
  7. InstabaseInstabase is a technology company based in San Francisco that specializes in an AI-powered automation platform.United States$127M
  8. CrestaCresta Intelligence, Inc., known as Cresta, is an enterprise AI platform based in Palo Alto, California.United States$125M

Stage not reported

10 startups · $1.9B raised

  1. NuroNuro, Inc.United States$1.4B
  2. NautoNauto is an AI company founded in 2015 and based in Palo Alto, California.United States$159M
  3. GGladlyUnited States$153M
  4. SynackSynack is a prominent American cybersecurity company based in Redwood City, California, founded in 2013 by former NSA operators JaUnited States$55M
  5. Bedrock DataBedrock Data is an AI-native platform provider focused on data security, governance, and responsible AI.United States$28M
  6. AiFiAiFi is an AI retail platform using computer vision for autonomous shopping solutions.United States$6.7M
  7. MarqueeMarquee houses a flexible publishing platform that provides entertainers with an authoring tool to craft content for their audience.United States$6.7M
  8. WinkWink offers business planning and financial modeling services.United States$6.2M

Series B

5 startups · $241M raised

  1. SprigSprig is a THC-infused soda that promotes safe and responsible adult use by authorized medical marijuana consumers in California.United States$87M
  2. AirOpsAirOps is an enterprise-level content engineering platform that specializes in AI search growth.United States$56M
  3. ValidereValidere is on a mission to better human prosperity by making the energy supply chain efficient and sustainable.Canada$50M
  4. TruEraTruEra is an artificial intelligence and machine learning company based in Redwood City, California, founded in 2019.United States$25M
  5. NeticNetwork Internal CommunicationsUnited States$23M

Growth

2 startups · $4.4B raised

  1. BasetenBaseten is a San Francisco-based company founded in 2019 that specializes in AI inference infrastructure.United States$4.0B
  2. Snorkel AISnorkel AI, Inc.United States$350M

How this map is made. Every startup here works in AI and has raised money in a round we track that names Greylock as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.

More portfolio maps

All portfolios

Raising from investors like Greylock?

Find the investors who back startups like yours, with their cheques, rounds and partners, in the app with filters, lists and exports.