Greylock
VC Fund
Menlo Park, United States
Greylock is a VC fund in Menlo Park focused on Software and Information Technology. Greylock Partners invests in entrepreneurs that focus on consumer and enterprise software companies. The firm invests in companies that define new markets, including Airbnb, AppDynamics, Apptio, Arista Networks (NYSE: ANET), Cloudera, Docker, Dropbox, Facebook (Nasdaq: FB), LinkedIn (NYSE: LNKD), Medium, Nextdoor, Palo Alto Networks (NYSE: PANW),Pandora (NYSE: P), Pure Storage, and Workday (NYSE: WDAY).It was founded in 1965 and headquartered in Menlo Park, California.
- Total investments:
- 927
- Last investment:
- Lead investor:
- 33%
- Fund size:
- $1.5B
- Last fund:
Last updated:
For AI agents: llms.txt
Industries Greylock invests in
Stages Greylock invests in
Countries Greylock invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
| See all 28 contacts → | |||
Round size
- Seed
- $1.2M–$12M
- Series A
- $5.5M–$40M
- Series B
- $11M–$62M
Investment Focus
Industry
- Software 147 (16%)
- Information Technology 67 (7%)
- Enterprise Software 53 (6%)
- Internet 50 (5%)
- Mobile 45 (5%)
Stage
- Series A 158 (17%)
- Series B 152 (16%)
- Seed 129 (14%)
- Series C 85 (9%)
- Series D 58 (6%)
Country
- United States 357 (39%)
- United Kingdom 10 (1%)
- Israel 9 (1%)
- Canada 5 (1%)
- Brazil 2 (0%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Bill Kaiser
Partner
|
Partner | Total investments: 7 | Find email | |
David Wadhwani
Venture Partner
|
Venture Partner | Total investments: 7 | Find email | |
Howard Cox
Special Limited Partner
|
Special Limited Partner | Total investments: 5 | Find email | |
Jason Risch
Investor
|
Investor | Total investments: 16 | Find email | |
Mike Duboe
General Partner
|
General Partner | Total investments: 33 | Find email | |
| See all 28 team members → | ||||
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Lightfield
|
Lightfield is a software company that develops an AI-native customer relationship management platform. Its CRM captures customer interactions from emails, meetings, calls, Slack, and other systems and organizes them into a contextual model of customer relationships, accounts, opportunities, and contacts. The platform uses AI agents to perform taskssuch as account research, meeting preparation, opportunity qualification, follow-ups, pipeline generation, and customer outreach. Its data model maintains the current state of CRM records as well as the history of changes and interactions over time. Lightfield also provides tools for building agents, automations, and workflows using natural-language prompts, APIs, MCP, and a command-line interface. The platform supports data migration from existing CRM systems and can operate alongside systems such as Salesforce and HubSpot through two-way synchronization. | $47M / Series A / Sep 09, 2026 | |
Antioch
|
Antioch transforms robotics development and validation workflows from hardware-in-the-loop to pure software, seamlessly integrating with existing CI/CD and development workflows. | $32M / Series A / Sep 08, 2026 | |
Upwind Security
|
Upwind Security creates and develops software and online tools that ensures security of cloud infrastructure. It manages runtime environments of the cloud platform. | $300M / Series C / Sep 02, 2026 | |
Obsidian Security
|
Obsidian Security provides SaaS and AI security software that detects threats, manages risks, and secures enterprise applications. | $85M / Series D / Aug 04, 2026 | |
|
Obsidian Security
|
Obsidian Security provides SaaS and AI security software that detects threats, manages risks, and secures enterprise applications. | $85M / Series D / Aug 04, 2026 | |
Oak
|
Oak is an AI-native cybersecurity startup that helps enterprises secure and manage identities for human users, non-human machines, and AI agents. | $60M / Seed / Jul 15, 2026 | |
Baseten
|
Baseten provides a platform for training, deploying, and serving artificial intelligence models in production environments. It supports open-source, fine-tuned, and custom models, converting them into API endpoints with capabilities such as autoscaling, observability, and optimized model serving. The platform manages infrastructure componentsincluding containerization, GPU scheduling across multiple cloud providers, and performance optimizations to support large-scale inference workloads. Baseten also offers preconfigured model APIs and deployment options that can run either on its managed cloud service or within a customer's own environment. Its tools are designed to help developers build, manage, and scale AI applications while maintaining flexibility in how models are hosted and executed. | $1.5B / Series F / Jun 22, 2026 | |
Niteshift
|
Niteshift is a software development company that builds the full-stack cloud platform for coding agents. enabling background coding agents that can simulate and close loops on complex tasks end-to-end. | $7M / Seed / Jun 10, 2026 | |
Opal Security
|
Opal Security is a modern, data-centric identity security platform. Opal Security helps organizations reduce access sprawl, manage identity attack surfaces, and enforce policies that are secure by default. Opal Security is based in San Francisco and New York. For more information, please visit www.opal.dev or reach us at hello@opal.dev. | $23M / Venture - Series Unknown / Jun 04, 2026 | |
|
Opal Security
|
Opal Security is a modern, data-centric identity security platform. Opal Security helps organizations reduce access sprawl, manage identity attack surfaces, and enforce policies that are secure by default. Opal Security is based in San Francisco and New York. For more information, please visit www.opal.dev or reach us at hello@opal.dev. | $23M / Venture - Series Unknown / Jun 04, 2026 | |
| See all 927 investments → | |||
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FAQ
What does Greylock invest in?
Greylock invests primarily in Software, Information Technology and Enterprise Software startups, most often at Series A and Series B stage. Most of the 927 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Greylock's check size?
Greylock typically joins rounds of $1.2M–$12M at Seed, $5.5M–$40M at Series A and $11M–$62M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Greylock participates in.
How do I contact Greylock?
Public channels for Greylock include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Greylock?
The team at Greylock includes Bill Kaiser (Partner), David Wadhwani (Venture Partner) and Howard Cox (Special Limited Partner), among 28 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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