# Feross Aboukhadijeh

> Feross Aboukhadijeh is a seed investor at Socket (Stanford) backing Software and Cyber Security. See 22 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Socket](https://shizune.co/investors/profile/socket-741b)
- Location: Stanford, United States
- Total investments: 22
- Last investment: Feb 2026
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/feross
- X (Twitter): https://twitter.com/feross
- Website: https://feross.org

Feross Aboukhadijeh is a seed investor at Socket in Stanford focused on Software and Cyber Security. Feross is founder and CEO at Socket (https://socket.dev), a developer-first security platform. Feross has worked in open source software for 10+ years writing some of the most-downloaded JavaScript packages. Feross is a lecturer at Stanford where he teaches CS 253 Web Security. Socket makes a developer-first security platform thatprevents vulnerable and malicious open source dependencies from infiltrating your software supply chain. Thousands of organizations in every industry use Socket to safely discover, audit, and manage OSS at scale.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $3M–$6.8M |
| Pre-Seed | $1.7M–$2.8M |
| Series A | $8.5M–$19M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 5 | 23% |
| Cyber Security | 4 | 18% |
| Developer Tools | 3 | 14% |
| Information Technology | 3 | 14% |
| Security | 2 | 9% |

22 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 11 | 50% |
| Pre-Seed | 6 | 27% |
| Series A | 2 | 9% |
| Angel | 1 | 5% |
| Equity Crowdfunding | 1 | 5% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Command Code | Langbase helps developers ship composable AI agents with hyper-personalized memory (RAG).Langbase is the composable AI infrastructure and developer experience to build, collaborate, and deploy any AI agents (AI features). Our mission is to make AI accessible to everyone, any developer not just AI/ML experts. We are the only composable AIinfrastructure. That's all we do. | $5M | Seed | Feb 25, 2026 |  |
| Opine | Opine helps to automate the pre-sales efforts for enterprise software transaction by removing the hassle of managing POCs. | $5M | Seed | Dec 09, 2025 |  |
| Inception | A company developing diffusion based large language models | $50M | Seed | Nov 06, 2025 |  |
| Arcjet | Arcjet helps developers protect their apps in just a few lines of code. Implement rate limiting, bot protection, email validation, and defense against common attacks. | $8.5M | Series A | Oct 08, 2025 |  |
| Corridor | Corridor provides a security platform that integrates directly with AI coding tools and developer workflows to guide secure code generation in real time. It reviews code and pull requests to identify vulnerabilities, enforce security guardrails, and deliver actionable remediation guidance at the source. The platform also offers visibility intoAI-generated code usage, policy compliance, and security events across engineering teams. | $5.4M | Seed | Aug 05, 2025 |  |
| Inception | A company developing diffusion based large language models | $6M | Seed | Feb 25, 2025 |  |
| Arcjet | Arcjet helps developers protect their apps in just a few lines of code. Implement rate limiting, bot protection, email validation, and defense against common attacks. | $3.6M | Seed | Sep 10, 2024 |  |
| Command Code | Langbase helps developers ship composable AI agents with hyper-personalized memory (RAG).Langbase is the composable AI infrastructure and developer experience to build, collaborate, and deploy any AI agents (AI features). Our mission is to make AI accessible to everyone, any developer not just AI/ML experts. We are the only composable AIinfrastructure. That's all we do. |  | Pre-Seed | Aug 01, 2024 |  |
| Sagetap | Sagetap is an exclusive community of expert technologists that help top software vendors align their product strategies to evolving problems within the enterprise | $6.8M | Seed | May 28, 2024 |  |
| cside | c/side is a cybersecurity company that provides monitoring solutions, optimizing, and safeguarding vulnerable browser-side third-party scripts. | $1.7M | Pre-Seed | May 16, 2024 |  |

10 of 22 investments shown.

## Co-investors
- [Andreessen Horowitz](https://shizune.co/investors/profile/andreessen-horowitz) — VC Fund, 3 deals together
- [Firestreak Ventures](https://shizune.co/investors/profile/firestreak-ventures) — VC Fund, 3 deals together
- [Scribble Ventures](https://shizune.co/investors/profile/scribble-ventures) — VC Fund, 3 deals together
- [Triangle Tweener Fund](https://shizune.co/investors/profile/triangle-tweener-fund) — VC Fund, 3 deals together
- [Accel](https://shizune.co/investors/profile/accel) — VC Fund, 2 deals together
- [Plural Platform](https://shizune.co/investors/profile/plural-platform) — VC Fund, 2 deals together

## About Socket

VC Fund

Socket is a new security company that can protect your most critical apps from supply chain attacks. We are taking an entirely new approach to one of the hardest problems in security in a stagnant part of the industry that has historically been obsessed with just reporting on known vulnerabilities.Socket is built by a team of open sourcemaintainers with over 1 billion monthly downloads. Everyone on the Socket team is an open source maintainer. We are all driven to defend the open source ecosystem from supply chain attacks and make it safe for everyone.Socket is unique because, unlike other tools, it detects and blocks supply chain attacks before they strike, mitigating the worst consequences.

1 contacts available at Socket.

| Name | Title | Profile |
| --- | --- | --- |
| Feross Aboukhadijeh | CEO | https://shizune.co/investors/profile/feross-aboukhadijeh |

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## FAQ

### What does Feross Aboukhadijeh invest in?

Feross Aboukhadijeh invests primarily in Software, Cyber Security and Developer Tools startups, most often at Seed and Pre-Seed stage. Most of the 22 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 Feross Aboukhadijeh's check size?

Feross Aboukhadijeh typically joins rounds of $3M–$6.8M at Seed, $1.7M–$2.8M at Pre-Seed and $8.5M–$19M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Feross Aboukhadijeh participates in.

### When did Feross Aboukhadijeh last invest?

The most recent investment recorded for Feross Aboukhadijeh closed in Feb 2026. Shizune tracks 22 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 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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