Xavier Niel
Founder @ Kima Ventures
Paris, France
Xavier Niel is a seed investor at Kima Ventures in Paris focused on Software and Artificial Intelligence. Xavier Niel is based out of Paris, France and is the Founder of NJJ Holding.
- Total investments:
- 141
- Last investment:
- Lead investor:
- 13%
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
- $1.1M–$35M
- Series A
- $3M–$23M
- Venture - Series Unknown
- $1.1M–$17M
Investment Focus
Industry
- Software 30 (21%)
- Artificial Intelligence 23 (16%)
- SaaS 13 (9%)
- Internet 12 (9%)
- Information Technology 12 (9%)
Stage
- Seed 56 (40%)
- Series A 30 (21%)
- Venture - Series Unknown 11 (8%)
- Pre-Seed 9 (6%)
- Series B 9 (6%)
Country
- France 83 (59%)
- United States 13 (9%)
- United Kingdom 4 (3%)
- Canada 2 (1%)
- Spain 1 (1%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Arlequin AI provides an AI-native platform for critical decision-making and high-stakes data analysis. Its technology uses unsupervised and topological AI to identify patterns, relationships, trends, and causal links across large datasets without generating text or relying on context windows. The platform supports applications including financialanalysis, forensics, due diligence, logistics, supply chain analysis, cybersecurity, and intelligence. | $32.6M / Series A / Sep 10, 2026 | ||
| Upstream is a collaborative email client with channels and task-tracking, offering context and transparency for efficient team decisions. | $3M / Pre-Seed / Jun 03, 2026 | ||
| Europe’s next-generation AI lab for a quantum world. | $29.3M / Angel / May 05, 2026 | ||
| Riminder operates as an AI assistant that automates talent assessment by leveraging state of the art deep learning technology. The company's mission is to leverage both Data and AI to understand people and unlock their full potential. Riminder was founded in Paris in 2016. | $7M / Seed / Apr 08, 2026 | ||
| Advanced Machine Intelligence develops artificial intelligence systems that model real-world environments using sensor data. The organization focuses on building machine learning architectures that form abstract representations of physical and digital environments, allowing systems to reason, predict outcomes, and plan sequences of actions. Itsresearch includes world models that process continuous and complex data while filtering unpredictable elements to support structured decision making. The technology is designed to enable AI agents to evaluate the consequences of actions and operate under defined safety and control mechanisms. Advanced Machine Intelligence collaborates with industry and research communities to explore applications of these systems in areas such as industrial automation, robotics, wearable technology, and healthcare. The company also publishes research and develops software frameworks that support experimentation, deployment, and evaluation of intelligent systems. | $1B / Seed / Mar 10, 2026 | ||
| BottleCap AI is a company that focuses on architecture-first, efficiency-focused basic LLMs designed to reason better per unit of CPU and enable previously impossible applications. | $7.5M / Seed / Jan 29, 2026 | ||
| Gradium.ai provides audio language models that enable natural, expressive, ultra-low latency voice interactions at scale, unifying speech generation, transcription, voice transformation, and dialogue in a single neural architecture.The platform acts as an audio-native counterpart to text-based large language models, processing tasks like real-timespeech-to-speech with delays under 200 milliseconds through optimized architectures, efficient tokenization, and hardware-aware deployments. It supports multilingual capabilities in English, French, German, Spanish, and Portuguese, with plans for expansion. | $70M / Seed / Dec 02, 2025 | ||
| 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 | ||
| See all 141 investments → | |||
Co-Investors
About Kima Ventures
Kima Ventures is one of the world's most active early-stage investors, investing in 2 to 3 startups per week all over the world; providing founders with funding, network, and support for them to reach the next steps of their journey. The firm invests from seed to Series A, mostly as lead investor but also working alongside other investors; backing ambitious founders who work hard to build awesome things that more and more people use everyday. The company helps them to build a great team, to learn very quickly, to keep the right focus and execute towards growth. Kima takes pride of itself in working side-by-side with entrepreneurs. They claim to understand that fundraising is only one step in the company’s journey, that’s why they take quick decisions and make the fundraising process as smooth as possible so the founders can get back to the work of building their business. Kima considers itself not only an investor, but a network of founders and experts sharing a pay it forward mindset. Headquartered in Paris with an office in London, the company was founded and backed by Xavier Niel, founder of Iliad and supporter of entrepreneurs through such projects as 42, Station F and 101projets. Over the last 5 years Kima has invested in over 400 startups in 24 different countries.
Kima Ventures Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Alexis Robert
Partner
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Felix DE BREUCKER
Investor
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Jean de La Rochebrochard
Partner
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Xavier Niel
Founder
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Xavier Niel
Founder
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FAQ
What does Xavier Niel invest in?
Xavier Niel invests primarily in Software, Artificial Intelligence and SaaS startups, most often at Seed and Series A stage. Most of the 141 investments tracked by Shizune back companies in France. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Xavier Niel invest in?
Xavier Niel typically joins rounds of $1.1M–$35M at Seed, $3M–$23M at Series A and $1.1M–$17M at Venture - Series Unknown. These are whole funding-round sizes, not Xavier Niel's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Xavier Niel took part 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 Sep 2026. Shizune tracks 141 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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