# Greylock's AI Investments: 63 Startups in Its Portfolio (2026)

> The 63 AI startups Greylock has backed, by stage: $13B raised between them. From the rounds we track; updated nightly.

Source: https://millionrounds.com/portfolio-maps/greylock-partners-ai-portfolio (Millionrounds; every figure on the page links to its filing or article)

## Pre-seed and seed

20

- [Cylake](https://millionrounds.com/company/cylake)
- [Ribbon](https://millionrounds.com/company/ribbon)
- [Tenzai](https://millionrounds.com/company/tenzai)
- [Oak](https://millionrounds.com/company/oak)
- [*G* Gretel](https://millionrounds.com/company/gretel)
- [Pine](https://millionrounds.com/company/pine)
- [Manas AI](https://millionrounds.com/company/manas-ai)
- [Realm](https://millionrounds.com/company/realm)
- [*P* Polar](https://millionrounds.com/company/polar)
- [*D* District](https://millionrounds.com/company/district)
- [Bedrock Security](https://millionrounds.com/company/bedrock-security)
- [LeO](https://millionrounds.com/company/leo)
- [Natoma Labs](https://millionrounds.com/company/natoma-labs)
- [Altara](https://millionrounds.com/company/altara)
- [Redcar](https://millionrounds.com/company/redcar)
- [Responsiv](https://millionrounds.com/company/responsiv)
- [FullyRamped](https://millionrounds.com/company/fullyramped)
- [Beep](https://millionrounds.com/company/beep)
- [Optic](https://millionrounds.com/company/optic)
- [Bytez](https://millionrounds.com/company/bytez)

## Series A

16

- [Resolve AI](https://millionrounds.com/company/resolve-ai)
- [7AI](https://millionrounds.com/company/7ai)
- [Notable](https://millionrounds.com/company/notable)
- [Axiamatic](https://millionrounds.com/company/axiamatic)
- [Cogent Security](https://millionrounds.com/company/cogent-security)
- [Antioch](https://millionrounds.com/company/antioch)
- [Braintrust Data](https://millionrounds.com/company/braintrust-data)
- [Highstock](https://millionrounds.com/company/highstock)
- [SuperMe](https://millionrounds.com/company/superme)
- [*A* Airspeed](https://millionrounds.com/company/airspeed)
- [*D* DeepScale](https://millionrounds.com/company/deepscale)
- [Greenlite](https://millionrounds.com/company/greenlite)
- [Predibase](https://millionrounds.com/company/predibase)
- [Uplimit](https://millionrounds.com/company/uplimit)
- [Truly](https://millionrounds.com/company/truly)
- [Latent Space](https://millionrounds.com/company/latent-space)

## Series C and later

10

- [Cognition](https://millionrounds.com/company/cognition)
- [Abnormal AI](https://millionrounds.com/company/abnormal-ai)
- [Modular](https://millionrounds.com/company/modular)
- [Trifacta](https://millionrounds.com/company/trifacta)
- [Entrepreneurs First](https://millionrounds.com/company/entrepreneurs-first)
- [Cleo](https://millionrounds.com/company/cleo)
- [Instabase](https://millionrounds.com/company/instabase)
- [Cresta](https://millionrounds.com/company/cresta)
- [Pepper](https://millionrounds.com/company/pepper)
- [*C* Clockwise](https://millionrounds.com/company/clockwise)

## Stage not reported

10

- [Nuro](https://millionrounds.com/company/nuro)
- [Nauto](https://millionrounds.com/company/nauto)
- [*G* Gladly](https://millionrounds.com/company/gladly)
- [Synack](https://millionrounds.com/company/synack)
- [Bedrock Data](https://millionrounds.com/company/bedrock-data)
- [AiFi](https://millionrounds.com/company/aifi)
- [Marquee](https://millionrounds.com/company/marquee)
- [Wink](https://millionrounds.com/company/wink)
- [*A* Apprente](https://millionrounds.com/company/apprente)
- [LlamaIndex](https://millionrounds.com/company/llamaindex)

## Series B

5

- [Sprig](https://millionrounds.com/company/sprig)
- [AirOps](https://millionrounds.com/company/airops)
- [Validere](https://millionrounds.com/company/validere)
- [TruEra](https://millionrounds.com/company/truera)
- [Netic](https://millionrounds.com/company/netic)

## Growth

2

- [Baseten](https://millionrounds.com/company/baseten)
- [Snorkel AI](https://millionrounds.com/company/snorkel-ai)

## Segment by segment

### Pre-seed and seed

20 startups · $918M raised

- [**Cylake**](https://millionrounds.com/company/cylake) Cylake is a cybersecurity startup founded in March 2026, focusing on AI-native, data-driven cybersecurity platforms. United States $290M
- [**Ribbon**](https://millionrounds.com/company/ribbon) Ribbon is a one-page checkout solution enabling merchants accept payments online and make an intuitive checkout experience for customers. United States $271M
- [**Tenzai**](https://millionrounds.com/company/tenzai) Tenzai is a data science and AI solution provider that focuses on strategic outcomes. - $75M
- [**Oak**](https://millionrounds.com/company/oak) Result-driven service provider with a focus on finance and risk solutions. - $60M
- [*G* **Gretel**](https://millionrounds.com/company/gretel) GRETEL powers interactive, immersive, and intuitive art experiences that allow institutions to truly shine. United States $53M
- [**Pine**](https://millionrounds.com/company/pine) Pine operates as a digital mortgage company. Canada $50M
- [**Manas AI**](https://millionrounds.com/company/manas-ai) Manas AI is an innovative biopharmaceutical company founded in 2025, based in New York City. United States $25M
- [**Realm**](https://millionrounds.com/company/realm) Realm makes it easy to build modern reactive apps, realtime collaborative features, and offline-first experiences. Finland $17M

### Series A

16 startups · $848M raised

- [**Resolve AI**](https://millionrounds.com/company/resolve-ai) Resolve AI is a technology company founded in 2024 and based in San Francisco, California. United States $200M
- [**7AI**](https://millionrounds.com/company/7ai) 7AI is a Boston-based cybersecurity company that has developed the first agentic security platform. United States $166M
- [**Notable**](https://millionrounds.com/company/notable) Notable is an AI-powered health start-up that automates and digitizes every physician-patient interaction. United States $145M
- [**Axiamatic**](https://millionrounds.com/company/axiamatic) Axiamatic is an enterprise AI startup founded in 2021 and based in Menlo Park, California, with additional offices in Saratoga, Ca United States $54M
- [**Cogent Security**](https://millionrounds.com/company/cogent-security) Cogent Security utilizes AI agents to manage vulnerabilities by connecting scanners and prioritizing fixes. United States $42M
- [**Antioch**](https://millionrounds.com/company/antioch) Antioch is a New York-based company specializing in autonomous systems and robotics. United States $40M
- [**Braintrust Data**](https://millionrounds.com/company/braintrust-data) Braintrust offers an AI stack to simplify the process from evaluations to data management, ensuring seamless integration into any business. United States $36M
- [**Highstock**](https://millionrounds.com/company/highstock) We 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

- [**Cognition**](https://millionrounds.com/company/cognition) Cognition, based in San Francisco, is an artificial intelligence company focused on enhancing software development. United States $3.0B
- [**Abnormal AI**](https://millionrounds.com/company/abnormal-ai) Abnormal AI, founded in 2018 by Evan Reiser and Sanjay Jeyakumar, is a leading AI-native cybersecurity company based in San Franci United States $250M
- [**Modular**](https://millionrounds.com/company/modular) Modular is an AI software developer platform that unifies the development and deployment of AI for everyone. United States $250M
- [**Trifacta**](https://millionrounds.com/company/trifacta) Trifacta delivers an intelligent, collaborative data engineering cloud platform to transform data, ensure quality, and automate pipelines. United States $224M
- [**Entrepreneurs First**](https://millionrounds.com/company/entrepreneurs-first) Entrepreneurs First runs programs that identify individuals pursuing technology startups and support them during early company formation. United Kingdom $200M
- [**Cleo**](https://millionrounds.com/company/cleo) Empower people to build a life beyond their next paycheck. United States $132M
- [**Instabase**](https://millionrounds.com/company/instabase) Instabase is a technology company based in San Francisco that specializes in an AI-powered automation platform. United States $127M
- [**Cresta**](https://millionrounds.com/company/cresta) Cresta 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

- [**Nuro**](https://millionrounds.com/company/nuro) Nuro, Inc. United States $1.4B
- [**Nauto**](https://millionrounds.com/company/nauto) Nauto is an AI company founded in 2015 and based in Palo Alto, California. United States $159M
- [*G* **Gladly**](https://millionrounds.com/company/gladly) United States $153M
- [**Synack**](https://millionrounds.com/company/synack) Synack is a prominent American cybersecurity company based in Redwood City, California, founded in 2013 by former NSA operators Ja United States $55M
- [**Bedrock Data**](https://millionrounds.com/company/bedrock-data) Bedrock Data is an AI-native platform provider focused on data security, governance, and responsible AI. United States $28M
- [**AiFi**](https://millionrounds.com/company/aifi) AiFi is an AI retail platform using computer vision for autonomous shopping solutions. United States $6.7M
- [**Marquee**](https://millionrounds.com/company/marquee) Marquee houses a flexible publishing platform that provides entertainers with an authoring tool to craft content for their audience. United States $6.7M
- [**Wink**](https://millionrounds.com/company/wink) Wink offers business planning and financial modeling services. United States $6.2M

### Series B

5 startups · $241M raised

- [**Sprig**](https://millionrounds.com/company/sprig) Sprig is a THC-infused soda that promotes safe and responsible adult use by authorized medical marijuana consumers in California. United States $87M
- [**AirOps**](https://millionrounds.com/company/airops) AirOps is an enterprise-level content engineering platform that specializes in AI search growth. United States $56M
- [**Validere**](https://millionrounds.com/company/validere) Validere is on a mission to better human prosperity by making the energy supply chain efficient and sustainable. Canada $50M
- [**TruEra**](https://millionrounds.com/company/truera) TruEra is an artificial intelligence and machine learning company based in Redwood City, California, founded in 2019. United States $25M
- [**Netic**](https://millionrounds.com/company/netic) Network Internal Communications United States $23M

### Growth

2 startups · $4.4B raised

- [**Baseten**](https://millionrounds.com/company/baseten) Baseten is a San Francisco-based company founded in 2019 that specializes in AI inference infrastructure. United States $4.0B
- [**Snorkel AI**](https://millionrounds.com/company/snorkel-ai) Snorkel 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](https://millionrounds.com/portfolio-maps)

[Sector portfolio **Greylock's IT Services portfolio** 26 startups · $1.2B](https://millionrounds.com/portfolio-maps/greylock-partners-it-services-portfolio)[Sector portfolio **Greylock's Cybersecurity portfolio** 19 startups · $2.0B](https://millionrounds.com/portfolio-maps/greylock-partners-cybersecurity-portfolio)[Sector portfolio **Greylock's Software portfolio** 17 startups · $1.1B](https://millionrounds.com/portfolio-maps/greylock-partners-software-portfolio)[Sector portfolio **Greylock's Fintech portfolio** 16 startups · $2.4B](https://millionrounds.com/portfolio-maps/greylock-partners-fintech-portfolio)[Sector portfolio **Greylock's Internet portfolio** 16 startups · $4.8B](https://millionrounds.com/portfolio-maps/greylock-partners-internet-portfolio)[Sector portfolio **Greylock's Big Data & Analytics portfolio** 12 startups · $1.1B](https://millionrounds.com/portfolio-maps/greylock-partners-big-data-analytics-portfolio)

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