# Alex Rubalcava

> Alex Rubalcava is a seed investor at Stage Venture Partners backing Drones and Mobile. See 5 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Stage Venture Partners](https://shizune.co/investors/profile/stage-venture-partners)
- Location: Los Angeles, United States
- Total investments: 5
- Last investment: Aug 2022
- Lead investor: 40%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/alex-rubalcava-10696
- X (Twitter): http://twitter.com/AlexRubalcava
- Website: https://x.com/AlexRubalcava

Alex Rubalcava is a seed investor at Stage Venture Partners in Los Angeles focused on Drones and Mobile. Alex Rubalcava - Partner @ Stage Venture Partners

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Drones | 1 | 20% |
| Mobile | 1 | 20% |
| Robotics | 1 | 20% |
| Security | 1 | 20% |
| Analytics | 1 | 20% |

13 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 3 | 60% |
| Series A | 1 | 20% |
| Funding Round | 1 | 20% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| GrayMatter Robotics | GrayMatter Robotics is a company that solves the most difficult surface treatment and finishing challenges faced by high-mix, high-variability manufacturers. They offer advanced robotics and proprietary AI technologies, designed into smart robotic cells that assist humans in tedious and ergonomically challenging tasks. | $20M | Series A | Aug 16, 2022 |  |
| GrayMatter Robotics | GrayMatter Robotics is a company that solves the most difficult surface treatment and finishing challenges faced by high-mix, high-variability manufacturers. They offer advanced robotics and proprietary AI technologies, designed into smart robotic cells that assist humans in tedious and ergonomically challenging tasks. | $4.1M | Seed | Sep 29, 2021 |  |
| Unstruk Data | Unstruk Data was started on the premise that expert domain knowledge is being lost at an alarming rate, as employees leave and projects end.For companies that manage and track real-world assets, as the volume of their acquired spatial and unstructured data rises, the amount of hidden or "dark" data increases even more rapidly.Unstrukoffers a full-stack knowledge platform which leverages no-code machine learning and a user-friendly spatial data analytics interface.With the Unstruk Data Portal, geo-enabled businesses can catalog, correlate and search their video, audio, 3D point clouds, shape files, orthographic images, PDFs, emails (and more) - to make data-driven decisions more easily and without coding required. Data can be further enriched and correlated via external integrations with ESRI ArcGIS, satellite imagery providers, databases and other API-based services. | $3.6M | Seed | Apr 30, 2021 |  |
| WhiteFox Defense Technologies | WhiteFox Defense Technologies develops and provides drone threat mitigation device the DroneFox. It offers two systems DroneFox Tactical, a portal mobile device which responds to drone threats based on operator feedback or automatically based on preset conditions; DroneFox Fortify, a fixed device which integrates and provides continues automaticprotection of vulnerable facilities and critical infrastructure. WhiteFox Defense's device detects small and modified drones in airspace, analyses target drones based on variables including its model, location, and flight pattern, and reroutes. Additionally, its clientele include critical infrastructure protection, homeland security, public safety, and defense. Luke Fox founded WhiteFox Defense in 2016. It has its headquarters in San Luis Obispo in California. | $12M |  | Dec 06, 2018 |  |
| WhiteFox Defense Technologies | WhiteFox Defense Technologies develops and provides drone threat mitigation device the DroneFox. It offers two systems DroneFox Tactical, a portal mobile device which responds to drone threats based on operator feedback or automatically based on preset conditions; DroneFox Fortify, a fixed device which integrates and provides continues automaticprotection of vulnerable facilities and critical infrastructure. WhiteFox Defense's device detects small and modified drones in airspace, analyses target drones based on variables including its model, location, and flight pattern, and reroutes. Additionally, its clientele include critical infrastructure protection, homeland security, public safety, and defense. Luke Fox founded WhiteFox Defense in 2016. It has its headquarters in San Luis Obispo in California. | $2M | Seed | Jun 05, 2017 |  |

5 of 5 investments shown.

## Co-investors
- [3M New Ventures](https://shizune.co/investors/profile/3m-new-ventures) — VC Fund, 3 deals together
- [OCA Ventures](https://shizune.co/investors/profile/oca-ventures) — VC Fund, 3 deals together
- [B Capital](https://shizune.co/investors/profile/b-capital-group) — VC Fund, 2 deals together
- [Calibrate Ventures](https://shizune.co/investors/profile/calibrate-ventures) — VC Fund, 2 deals together
- [Frontier Venture Capital](https://shizune.co/investors/profile/dfj-frontier) — VC Fund, 2 deals together
- [Okapi Venture Capital](https://shizune.co/investors/profile/okapi-venture-capital) — VC Fund, 2 deals together

## About Stage Venture Partners

VC Fund · Los Angeles, United States

Stage Venture Partners is a seed venture capital firm that invests in emerging software technology for B2B markets.Founded in 2015 by two entrepreneurial partners, Stage is designed to deliver active, thoughtful investment and exceptional performance. One of us is a successful international operator who has built global businesses. The other isan experienced investor and venture capitalist with a strong track record.Stage VP invests in founders building cutting edge software technology for enterprise clients. Founders, especially those solving hard problems that matter, seek us out for our unique expertise, and our alignment with their daring vision. We have the conviction to be first; often the first institutional investor on the cap table and the first to identify new technological trends.We are not driven by thesis, geography, or sector. Instead, we seek out recurring revenue earned at the frontiers of what’s possible in enterprise software. We believe we have the breadth to capitalize on investment opportunities across next-gen enterprise software, and the focus of a disciplined, expert investor.

1 contacts available at Stage Venture Partners.

| Name | Title | Profile |
| --- | --- | --- |
| Alex Rubalcava | Managing Partner | https://shizune.co/investors/profile/alex-rubalcava |

## Similar investors

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- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Alex Rubalcava invest in?

Alex Rubalcava invests primarily in Drones, Mobile and Robotics startups, most often at Seed and Series A 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.

### When did Alex Rubalcava last invest?

The most recent investment recorded for Alex Rubalcava closed in Aug 2022. 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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