Avigdor Willenz
Angel Investor
Sunnyvale, United States
Avigdor Willenz is a Series B investor in Sunnyvale focused on Software and Semiconductor. Avigdor Willenz is based out of Sunnyvale, California, and is the Co-Founder and Chairman of the Board of Lightbits and Chairman at Lyte AI.
- Total investments:
- 18
- Last investment:
- Lead investor:
- 28%
Last updated:
For AI agents: llms.txt
Industries Avigdor Willenz invests in
Stages Avigdor Willenz invests in
Countries Avigdor Willenz invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Series A
- $8M–$80M
- Series B
- $6.5M–$50M
- Series C
- $50M–$170M
Investment Focus
Industry
- Software 4 (22%)
- Semiconductor 4 (22%)
- Artificial Intelligence 3 (17%)
- Electronics 2 (11%)
- Manufacturing 2 (11%)
Stage
- Series B 6 (33%)
- Series A 4 (22%)
- Series C 2 (11%)
- Venture - Series Unknown 2 (11%)
- Seed 1 (6%)
Country
- Israel 7 (39%)
- United States 4 (22%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Buildots specializes in transforming construction sites into a data-driven digital environment. Its platform enables maximum control of construction processes at minimal effort. The solution turns every site walk into valuable process data that can immediately be used for gaining full control of a certain project. | $130M / Series E / Sep 14, 2026 | ||
| Lyte.ai develops end-to-end perception platforms for Physical AI and robotics, integrating custom silicon, sensors, compute, and software to enable safe navigation in complex environments.The company offers LyteVision, a unified 4D vision system combining RGB imaging, motion awareness, and depth sensing for robots, drones, and autonomous vehicles.This "visual brain" draws from founders' Face ID expertise, powering applications in robotic arms, quadrupeds, robotaxis, and humanoids. | $107M / Venture - Series Unknown / Jan 05, 2026 | ||
| ProteanTecs provides a platform that enables continuous monitoring of electronic systems by embedding sensor-like Agents into chips, which generate data throughout the entire lifecycle. It offers software tools and analytics that transform this telemetry into actionable insights about performance, reliability, and production quality. The platformapplies machine learning to on-chip data, enabling the detection of anomalies and early warnings before issues manifest in the field. The solution spans stages from chip design through production to in-field operation, ensuring traceability and diagnosing faults across the electronics value chain. | $51M / Series D / Sep 09, 2025 | ||
| Quantum Machines (QM) is a leading provider of quantum control solutions, driving the advancement of quantum computing with its Hybrid Control approach. By harmonizing quantum and classical operations, Hybrid Control eliminates friction and optimizes performance across hardware and software, enabling researchers and builders to iterate at speed,resolve setbacks, and bring visionary ideas to life. Its platform supports any type of quantum processor, empowering the industry to scale systems, accelerate breakthroughs, and push the boundaries – previously impossible. | $170M / Series C / Feb 25, 2025 | ||
| DustPhotonics develops and manufactures pluggable optical modules and solutions for data center, enterprise and HPC applications. Its innovative products and technology, such as AuraDP™, are targeted at enabling the next generation of optical modules and connectivity. DustPhotonics was founded in 2017 with offices in Modi'in, Israel andCupertino, California. | $33M / Series B / Oct 28, 2021 | ||
| Astera Labs is a fabless semiconductor company headquartered in the heart of California’s Silicon Valley and is a leader in purpose-built connectivity solutions for data-centric systems. The company’s product portfolio includes system-aware semiconductor integrated circuits, boards, and services to enable robust PCIe connectivity. Partnering withprocessor vendors, cloud service providers, seasoned investors, and world-class manufacturing companies, Astera Labs is helping customers remove performance bottlenecks in compute-intensive workloads.Established in 2017 by Jitendra Mohan and is based in Santa Clara, California, United States. | $50M / Series C / Sep 27, 2021 | ||
| Buildots specializes in transforming construction sites into a data-driven digital environment. Its platform enables maximum control of construction processes at minimal effort. The solution turns every site walk into valuable process data that can immediately be used for gaining full control of a certain project. | $13M / Series A / Jul 30, 2020 | ||
| Xsight Labs is an Israeli company that develops technology for accelerating the next-generation, cloud-based, data-intensive workloads such as machine learning by offering new chipset designs that enhance scalability, performance and efficiency. | $80M / Series A / May 14, 2020 | ||
| Astera Labs is a fabless semiconductor company headquartered in the heart of California’s Silicon Valley and is a leader in purpose-built connectivity solutions for data-centric systems. The company’s product portfolio includes system-aware semiconductor integrated circuits, boards, and services to enable robust PCIe connectivity. Partnering withprocessor vendors, cloud service providers, seasoned investors, and world-class manufacturing companies, Astera Labs is helping customers remove performance bottlenecks in compute-intensive workloads.Established in 2017 by Jitendra Mohan and is based in Santa Clara, California, United States. | Series B / Apr 22, 2020 | ||
| Quantum Machines (QM) is a leading provider of quantum control solutions, driving the advancement of quantum computing with its Hybrid Control approach. By harmonizing quantum and classical operations, Hybrid Control eliminates friction and optimizes performance across hardware and software, enabling researchers and builders to iterate at speed,resolve setbacks, and bring visionary ideas to life. Its platform supports any type of quantum processor, empowering the industry to scale systems, accelerate breakthroughs, and push the boundaries – previously impossible. | $17.5M / Series A / Mar 19, 2020 | ||
| See all 18 investments → | |||
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FAQ
What does Avigdor Willenz invest in?
Avigdor Willenz invests primarily in Software, Semiconductor and Artificial Intelligence startups, most often at Series B and Series A stage. Most of the 18 investments tracked by Shizune back companies in Israel. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Avigdor Willenz invest in?
Avigdor Willenz typically joins rounds of $8M–$80M at Series A, $6.5M–$50M at Series B and $50M–$170M at Series C. These are whole funding-round sizes, not Avigdor Willenz's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Avigdor Willenz took part in.
How do I contact Avigdor Willenz?
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 Avigdor Willenz last invest?
The most recent investment recorded for Avigdor Willenz closed in Sep 2026. Shizune tracks 18 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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