# Quinn Slack

> Quinn Slack is a seed investor in San Francisco backing Software and Internet. See 10 investments, round sizes, portfolio and contact details. Updated Oct 2026.

- Type: Angel Investor
- Location: San Francisco, United States
- Total investments: 10
- Last investment: Jul 2026
- Lead investor: 0%
- Last updated: Oct 2026
- LinkedIn: https://www.linkedin.com/in/quinnslack
- X (Twitter): http://twitter.com/sqs
- Website: https://sourcegraph.com/

Quinn Slack is a Co-Founder and Chief Executive Officer at Sourcegraph. He is also a Board Member of Hack Club and attended Stanford University.

## Contacts

5 contacts available for Quinn Slack: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/quinn-slack?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $2.4M–$7.3M |
| Pre-Seed | $1.5M–$7.3M |
| Series A | $17M–$20M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 6 | 60% |
| Internet | 3 | 30% |
| Developer Tools | 3 | 30% |
| Information Technology | 3 | 30% |
| Developer Platform | 2 | 20% |

17 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 5 | 50% |
| Pre-Seed | 2 | 20% |
| Series A | 2 | 20% |
| Series B | 1 | 10% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 5 | 50% |
| Canada | 2 | 20% |
| The Netherlands | 1 | 10% |

## Investments

| Company | Description | Round size | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Ollama | Ollama is a software firm that develops local inference platform designed to run large language models. | $65M | Series B | Jul 09, 2026 | https://ollama.com/ |
| Unblocked | Unblocked is a continuous integration platform for mobile apps hosted in the cloud. Unblocked was developed as a result of difficult collective experiences spending long periods of time in meetings, putting up with interruptions, and sifting through dated documentation while developing software at businesses like Microsoft, Amazon, Meta, and Apple. | $20M | Series A | May 06, 2025 | https://www.getunblocked.com |
| Nuon | Nuon helps you run your app on your customer's cloud. | $16.5M | Series A | Dec 17, 2024 | https://www.nuon.co/ |
| Mintlify | Mintlify is a software company that develops tools for creating, managing, and publishing developer documentation and API references. Its platform helps organizations build documentation websites, organize technical content, and provide searchable resources for developers. | $2.7M | Seed | May 30, 2022 | https://mintlify.com |
| Stateful | Install our extension in VS Code, share your status and use the Stateful score as your personal growth compass. Reach milestones, celebrate accomplishments and grow yourself as a developer. | $4.2M | Seed | Sep 08, 2021 | https://stateful.com |
| Wander | Wander is a platform that allows users to book smart homes for their next workcation, vacation, or anything in-between. Wander is a startup that builds infrastructure to experience the world. The company was founded by John Andrew Entwistle. | $7.3M | Pre-Seed | Jun 04, 2021 | https://wander.com |
| Stateful | Install our extension in VS Code, share your status and use the Stateful score as your personal growth compass. Reach milestones, celebrate accomplishments and grow yourself as a developer. | $1.5M | Pre-Seed | Oct 15, 2020 | https://stateful.com |
| CodeSandbox | CodeSandbox makes it easier to express and validate product teams' ideations with code and aims to remove hassles when setting up a development environment, tooling, and sharing projects. Join us and help build the future of coding on the web.Used by over 2M developers each month, including within organizations like Shopify, Atlassian, andStripe, creators have crafted over 10M apps on the platform since launch. It’s used by thousands of open source projects, including React, Vue, and Babel, among others. | $2.4M | Seed | May 07, 2019 | http://codesandbox.io |
| Coder | Coder is an information technology company that provides open-source tools and an enterprise platform that makes it easier to configure, secure and scale development environments. The company aims to build the best products available for developers. It was founded in 2017 and based in Austin, Texas. | $4.5M | Seed | Nov 08, 2018 | https://coder.com/ |

9 of 10 investments shown.

## Co-investors
- [Redpoint](https://shizune.co/investors/profile/redpoint-ventures) — VC Fund, 5 deals together
- [Bain Capital Ventures](https://shizune.co/investors/profile/bain-capital-ventures) — VC Fund, 3 deals together
- [Capital Factory Management LLC.](https://shizune.co/investors/profile/capital-factory) — VC Fund, 3 deals together
- [Uncork Capital](https://shizune.co/investors/profile/softtech-vc) — VC Fund, 3 deals together
- [Adapt Ventures](https://shizune.co/investors/profile/adapt-ventures) — VC Fund, 2 deals together
- [Advection Growth Capital](https://shizune.co/investors/profile/advection-growth-capital) — VC Fund, 2 deals together

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund

## FAQ

### What does Quinn Slack invest in?

Quinn Slack invests primarily in Software, Internet and Developer Tools startups, most often at Seed and Pre-Seed stage. Most of the 10 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What round sizes does Quinn Slack invest in?

Quinn Slack typically joins rounds of $2.4M–$7.3M at Seed, $1.5M–$7.3M at Pre-Seed and $17M–$20M at Series A. These are whole funding-round sizes, not Quinn Slack's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Quinn Slack took part in.

### How do I contact Quinn Slack?

Public channels for Quinn Slack 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.

### When did Quinn Slack last invest?

The most recent investment recorded for Quinn Slack closed in Jul 2026. Shizune tracks 10 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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