Xavier Niel
Angel Investor
Paris, France
Xavier Niel is a seed investor in Paris focused on Artificial Intelligence and Software. Xavier Niel is based out of Paris, Ile-de-France and is the Co-Founder and CEO of NJJ Capital. Xavier previously worked at Worldnet as a Founder. Xavier Niel attended Saint Michel de Picpus Catholic private high school.
- Total investments:
- 14
- Last investment:
- Lead investor:
- 14%
Last updated:
For AI agents: llms.txt
Industries Xavier Niel invests in
Stages Xavier Niel invests in
Countries Xavier Niel invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $7.5M–$113M
- Pre-Seed
- $3.5M–$3.8M
- Series A
- $2.3M–$100M
Investment Focus
Industry
- Artificial Intelligence 5 (36%)
- Software 2 (14%)
- Analytics 2 (14%)
- Mobile Apps 2 (14%)
- Biotechnology 2 (14%)
Stage
- Seed 8 (57%)
- Series A 3 (21%)
- Pre-Seed 2 (14%)
- Secondary Market 1 (7%)
Country
- France 10 (71%)
- United States 1 (7%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Genesis AI operates as a physical AI lab and full-stack robotics company. | $105M / Seed / Jul 01, 2025 | ||
| Mobile.club is a smartphone rental without obligation. | $2.3M / Series A / Apr 29, 2025 | ||
| Pixmania is an e-commerce website that provides buying and selling of speakers, cameras, headphones, and mobile devices. | $12.1M / Seed / Jul 02, 2024 | ||
| Cube AI boosts back-office logistics efficiency, allowing teams to handle more loads and focus on human relationships. | $3.5M / Pre-Seed / Jun 01, 2024 | ||
| Holistic AI provides artificial intelligence models within the technology sector and helps in data analysis. | $100M / Seed / May 07, 2024 | ||
| he Mobile-First Company focuses on developing, expanding, and upgrading mobile apps to simplify your workflow. | $3.8M / Pre-Seed / Mar 28, 2024 | ||
| Cure51 mission is to create a database of cancer survivors to leverage their exceptional biological features and find new drugs to cure Cancer. | $16.3M / Seed / Mar 19, 2024 | ||
| Bioptimus is a developer of a universal AI foundation model that connects biology at all sizes, from molecules to cells, tissues, and entire organisms. The company's technology turns multiscale data into actionable representations, allowing clients to spark breakthrough discoveries and expedite biomedical innovation. | $35M / Seed / Feb 20, 2024 | ||
| Blockchain Analytics made simple | Seed / Nov 15, 2023 | ||
| Omada is a gaming company that develops sports base mobile games for users. | $7.5M / Seed / Sep 27, 2023 | ||
| See all 14 investments → | |||
Co-Investors
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FAQ
What does Xavier Niel invest in?
Xavier Niel invests primarily in Artificial Intelligence, Software and Analytics startups, most often at Seed and Series A stage. Most of the 14 investments tracked by Shizune back companies in France. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Xavier Niel's check size?
Xavier Niel typically joins rounds of $7.5M–$113M at Seed, $3.5M–$3.8M at Pre-Seed and $2.3M–$100M 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 Xavier Niel participates in.
How do I contact Xavier Niel?
Public channels for Xavier Niel include LinkedIn, X (Twitter) and Facebook. 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 Xavier Niel last invest?
The most recent investment recorded for Xavier Niel closed in Jul 2025. Shizune tracks 14 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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