# Ludwig Pettersson

> Ludwig Pettersson is a seed investor backing Wellness and Health Care. See 5 investments, round sizes, portfolio and contact details. Updated Oct 2026.

- Type: Angel Investor
- Location: San Francisco, United States
- Total investments: 5
- Last investment: Oct 2024
- Lead investor: 0%
- Last updated: Oct 2026
- LinkedIn: https://www.linkedin.com/in/ludwig-pettersson-a1810017a/
- X (Twitter): http://twitter.com/ludwig

Ludwig Pettersson is a seed investor in San Francisco focused on Wellness and Health Care. Ludwig Pettersson is the founder at Quill.

## Contacts

5 contacts available for Ludwig Pettersson: 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/ludwig-pettersson?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Wellness | 2 | 40% |
| Health Care | 2 | 40% |
| Consumer Electronics | 2 | 40% |
| FinTech | 1 | 20% |
| Internet | 1 | 20% |

9 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 3 | 60% |
| Angel | 1 | 20% |
| Series C | 1 | 20% |

## Investments

| Company | Description | Round size | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Fillout | Create powerful forms, surveys and quizzes your audience will answer. Store responses directly where you need them. | $1.6M | Seed | Oct 10, 2024 | https://www.fillout.com/ |
| Conduit | Conduit is a platform for crypto native infrastructure. Conduit is collaborating with the top crypto engineering teams to create a world-class crypto native infrastructure platform. | $7M | Seed | Mar 28, 2023 | https://conduit.xyz |
| Eight Sleep | Eight Sleep is the first sleep fitness company. It leverages innovation, technology, and personal biometrics to restore individuals to their peak energy levels each morning. Backed by leading Silicon Valley investors including Khosla Ventures and Y Combinator, it was named by Fast Company in 2018 as one of the Most Innovative Companies in ConsumerElectronics.It was founded in 2014 and is headquartered in New York, United States. |  | Angel | Jun 09, 2021 | http://eightsleep.com |
| Eight Sleep | Eight Sleep is a company that creates sleep technology and products. Its core product, the Pod, is a smart sleep system that dynamically adjusts temperature, elevation, and sound based on biometrics. The system also includes a health check feature that monitors heart rate and breathing without wearable devices. |  | Series C | Jun 09, 2021 | http://eightsleep.com |
| Castle | Castle enables online businesses of all sizes to detect and prevent user account fraud, a technology previously only available to banks and large financial institutions. Whether you’re building a bitcoin service, e-commerce store, mobile app, or any other customer-facing application, Castle's API's lets you add account hijack protection.Castle tracks fraudsters based on device fingerprint, keystrokes, site browsing history, and hundreds of other signals. Whenever something suspicious occurs, both the administrator and account owner are alerted and can immediately take appropriate action. | $2M | Seed | Nov 09, 2016 | https://castle.io |

5 of 5 investments shown.

## Co-investors
- [Atreides Management](https://shizune.co/investors/profile/atreides-management-lp) — VC Fund, 2 deals together
- [BoxGroup](https://shizune.co/investors/profile/boxgroup) — VC Fund, 1 deal together
- [First Round Capital](https://shizune.co/investors/profile/first-round-capital) — VC Fund, 1 deal together
- [Gaingels](https://shizune.co/investors/profile/gaing) — VC Fund, 1 deal together
- [Hard Yaka](https://shizune.co/investors/profile/hard-yaka) — VC Fund, 1 deal together
- [Liquid 2 Ventures](https://shizune.co/investors/profile/liquid2-ventures) — VC Fund, 1 deal together

## Similar investors

### Similar industry
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Everywhere Ventures](https://shizune.co/investors/profile/everywhere-ventures) — VC Fund

### 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

## Featured in investor lists
- [Infrastructure Angel Investors](https://shizune.co/investors/infrastructure-angel-investors)

## FAQ

### What does Ludwig Pettersson invest in?

Ludwig Pettersson invests primarily in Wellness, Health Care and Consumer Electronics startups, most often at Seed and Angel stage. Most of the 5 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Ludwig Pettersson?

Public channels for Ludwig Pettersson include LinkedIn and X (Twitter). 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 Ludwig Pettersson last invest?

The most recent investment recorded for Ludwig Pettersson closed in Oct 2024. Shizune tracks 5 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.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co
