Bob van Luijt
Angel Investor
Amsterdam, The Netherlands
Bob van Luijt is a seed investor in Amsterdam focused on Software and Artificial Intelligence. Bob van Luijt is the founder of Weaviate and an angle investor.
- Total investments:
- 29
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Bob van Luijt invests in
Stages Bob van Luijt invests in
Countries Bob van Luijt invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $3M–$23M
- Pre-Seed
- $500k–$3.2M
- Series A
- $16M–$25M
Investment Focus
Industry
- Software 15 (52%)
- Artificial Intelligence 13 (45%)
- Machine Learning 6 (21%)
- Generative AI 4 (14%)
- Developer APIs 4 (14%)
Stage
- Seed 12 (41%)
- Pre-Seed 9 (31%)
- Series A 4 (14%)
- Angel 2 (7%)
- Funding Round 1 (3%)
Country
- United States 16 (55%)
- Germany 3 (10%)
- The Netherlands 1 (3%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Stack is developing a set of tools to assist machine learning teams in perfecting their datasets by detecting data anomalies, evaluating annotations at scale, and protecting data with version control. | $16M / Series A / May 06, 2026 | ||
| Polars is a rust based dataframe framework for data scientists and engineers that enables data processing at any scale. | $21.1M / Series A / Sep 29, 2025 | ||
| P-1 AI is a technology company focused on developing an artificial general engineering intelligence (AGEI) designed to help humanity design physical systems with far greater efficiency and complexity than currently possible. | $23M / Seed / Apr 28, 2025 | ||
| Real-time AI cloud | Apr 01, 2025 | ||
| Cartesia provides real-time multimodal intelligence for all devices. Its objective is to develop the next generation of AI: pervasive, interactive intelligence that operates everywhere. | $22M / Series A / Dec 12, 2024 | ||
| Cartesia provides real-time multimodal intelligence for all devices. Its objective is to develop the next generation of AI: pervasive, interactive intelligence that operates everywhere. | $27M / Seed / Dec 12, 2024 | ||
| Real-time AI cloud | Pre-Seed / Dec 01, 2024 | ||
| cognee helps you create a GraphRAG and supports Vector Stores, Graph stores, and various LLM providers | $1.6M / Pre-Seed / Nov 20, 2024 | ||
| Dash Bio is a modern automated platform. It is redesigning drug development from the ground up, using AI, robotics, and fully integrated software to fundamentally change the way medications are brought to market. | $6.5M / Seed / Oct 16, 2024 | ||
| Trace Machina is a company that specializes in the development and maintenance of simulation infrastructure, it is an open source software company that focuses on developing advanced technologies like AI, robotics, and autonomous mobility to reduce simulation costs for safety-critical systems. | $4.7M / Seed / Aug 23, 2024 | ||
| See all 29 investments → | |||
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FAQ
What does Bob van Luijt invest in?
Bob van Luijt invests primarily in Software, Artificial Intelligence and Machine Learning startups, most often at Seed and Pre-Seed stage. Most of the 29 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 Bob van Luijt invest in?
Bob van Luijt typically joins rounds of $3M–$23M at Seed, $500k–$3.2M at Pre-Seed and $16M–$25M at Series A. These are whole funding-round sizes, not Bob van Luijt's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Bob van Luijt took part in.
How do I contact Bob van Luijt?
Public channels for Bob van Luijt 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 Bob van Luijt last invest?
The most recent investment recorded for Bob van Luijt closed in May 2026. Shizune tracks 29 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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