# Kleiner Perkins

> Kleiner Perkins is a VC fund backing Software and Information Technology. See 1,202 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Menlo Park, United States
- Total investments: 1,202
- Last investment: Aug 2026
- Lead investor: 30%
- Last fund: Jan 2022
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/kleiner-perkins/
- X (Twitter): https://twitter.com/kleinerperkins
- Website: https://www.kleinerperkins.com/
- Facebook: https://www.facebook.com/kleinerperkinsprofile/

Kleiner Perkins is a venture capital firm specializing in investing in early-stage, growth, and incubation companies. The firm continues that legacy, investing in founders with bold ideas that span industries and continents, partnering with them from inception to IPO and beyond to maximize the potential of their ideas. They also focus on earlycomputer firms using their devices and programming and service companies. It also invests in the digital, life sciences, and healthcare industries.

## Contacts

5 contacts available for Kleiner Perkins. Shizune tracks 34 team members at Kleiner Perkins. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/kleiner-perkins-caufield-byers?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Series A | $5M–$50M |
| Series B | $11M–$71M |
| Series C | $12M–$120M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 162 | 13% |
| Information Technology | 81 | 7% |
| Health Care | 76 | 6% |
| Internet | 56 | 5% |
| Artificial Intelligence | 55 | 5% |

390 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 220 | 18% |
| Series A | 196 | 16% |
| Series C | 184 | 15% |
| Series D | 106 | 9% |
| Seed | 99 | 8% |

20 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 523 | 44% |
| China | 25 | 2% |
| United Kingdom | 9 | 1% |
| India | 8 | 1% |
| Canada | 5 | 0% |

23 countries tracked in total.

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Brook Byers | Co-Founder | 51 | https://shizune.co/investors/profile/brook-byers |
| Charles Holloway | Vice Chairman of Board of Directors | 0 | https://shizune.co/investors/profile/charles-a-holloway |
| Ilya Fushman | Partner | 80 | https://shizune.co/investors/profile/ilya-fushman |
| Jerry Liang | Vice President | 0 | https://shizune.co/investors/profile/jerry-liang |
| Kevin Compton | Partner | 18 | https://shizune.co/investors/profile/kevin-compton |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Whatnot | Whatnot is a Los Angeles-based startup that creates a place where avid collectors could come together over shared interests. Whatnot is a marketplace to buy and sell authentic collectible items. Whatnot was founded in 2019, in California. | $545M | Series G | Aug 06, 2026 |  |
| K2 Space | K2 Space builds and supplies high-power satellite platforms designed for diverse orbital missions using vertically integrated hardware and manufacturing processes. The company focuses on developing large “Mega Class” satellites with enhanced power, payload capacity, and propulsion systems to support communications, sensing, and other spaceapplications. K2 Space offers engineered solutions for factory assembly, launch stacking, and orbital operations that aim to serve Low Earth Orbit, Medium Earth Orbit, and Geostationary missions. Its offerings include resilient spacecraft designs tailored to withstand harsh space environments and support scalable constellation deployments. | $500M | Series D | Jul 30, 2026 |  |
| Chai Discovery | Chai Discovery creates Chai-1, a multi-modal foundation model designed for predicting molecular structures relevant to drug discovery. The model facilitates the unified prediction of proteins, small molecules, and nucleic acids, and is available for free for commercial applications. By enabling accurate predictions without the need for multiplesequence alignments, Chai-1 advances the capabilities of molecular modeling in the life sciences. | $400M | Series C | Jul 14, 2026 |  |
| TerraFirma | TerraFirma develops software, autonomous robotics, and operational systems for earthworks and construction projects. Its platform supports construction planning, equipment orchestration, and job site operations using human-in-the-loop automation to improve excavation, grading, demolition, and other earthmoving activities. The company combinesAI-enabled software with robotics to assist construction teams in managing equipment and workflows. It also develops technologies intended to expand into other construction processes, including underground utilities, concrete, and structural steel. | $100M | Series A | Jul 14, 2026 |  |
| Sail Research | Infrastructure for long-horizon agents. Efficient inference and sandboxes optimized for throughput. | $80M | Series A | Jun 24, 2026 |  |
| Mirendil | Mirendil is an artificial intelligence research company that develops systems designed to automate and improve the process of AI research and development. The company trains models specialized in AI R&D and designs research workflows intended to make experimentation faster, more capable, and increasingly autonomous. Its technology aims toreduce the expertise and infrastructure barriers associated with frontier AI development, enabling researchers in fields such as biology, chemistry, robotics, and drug discovery to use advanced AI capabilities without building their own large-scale AI laboratories. Mirendil focuses on creating self-improving research systems that can support scientific and technological discovery across multiple domains. | $200M | Seed | Jun 24, 2026 |  |
| Trovy | Trovy is a fintech company that provides applications. analytics, and financial services. | $15M | Series A | Jun 24, 2026 |  |
| Engram | Engram is an artificial intelligence startup building a persistent "learned memory layer" designed to help enterprise AI models deeply understand and retain an organization's specific context | $98M | Seed | Jun 23, 2026 |  |
| Allium | Allium provides blockchain data infrastructure for institutions and crypto-focused organizations. It collects, verifies, and standardizes data from more than 150 blockchains and thousands of protocols, making on-chain activity easier to analyze and use in operational workflows. The company delivers historical and real-time data through APIs, datastreams, data shares, dashboards, and query tools. Its datasets support applications such as transaction reconciliation, analytics, compliance, payments, and digital asset research. Allium also offers tools for querying, visualizing, and accessing blockchain data to help organizations build applications and monitor activity across multiple blockchain networks. | $40M | Series B | Jun 23, 2026 |  |
| Poetic | Poetic is an AI-focused technology company that develops a platform designed to automate complex, multi-step business workflows that typically require human judgment and coordination. It builds tools that allow organizations to use AI systems more reliably in areas such as compliance, underwriting, and other structured enterprise processes. Thecompany’s approach centers on combining software-like reliability with AI-driven adaptability to handle unstructured or dynamic tasks. It provides infrastructure that helps businesses integrate AI into existing operations without fully replacing their core systems. The platform is used to support industries where accuracy, traceability, and process control are important. | $50M | Series A | Jun 10, 2026 |  |

10 of 1,202 investments shown.

## Co-investors
- [Sequoia Capital](https://shizune.co/investors/profile/sequoia-capital) — VC Fund, 104 deals together
- [Google Ventures](https://shizune.co/investors/profile/google-ventures) — VC Fund, 101 deals together
- [Lightspeed Venture Partners](https://shizune.co/investors/profile/lightspeed-venture-partners) — VC Fund, 84 deals together
- [Andreessen Horowitz](https://shizune.co/investors/profile/andreessen-horowitz) — VC Fund, 65 deals together
- [IVP](https://shizune.co/investors/profile/institutional-venture-partners) — VC Fund, 61 deals together
- [Index Ventures](https://shizune.co/investors/profile/index-ventures) — VC Fund, 57 deals together

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## FAQ

### What does Kleiner Perkins invest in?

Kleiner Perkins invests primarily in Software, Information Technology and Health Care startups, most often at Series B and Series A stage. Most of the 1,202 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 Kleiner Perkins's check size?

Kleiner Perkins typically joins rounds of $5M–$50M at Series A, $11M–$71M at Series B and $12M–$120M at Series C. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Kleiner Perkins participates in.

### How do I contact Kleiner Perkins?

Public channels for Kleiner Perkins 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 Kleiner Perkins?

The team at Kleiner Perkins includes Brook Byers (Co-Founder), Charles Holloway (Vice Chairman of Board of Directors) and Ilya Fushman (Partner), among 34 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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