# Spring Rock Capital

> Spring Rock Capital is a VC fund backing Drones and Security. See 3 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Western Springs, United States
- Total investments: 3
- Last investment: Mar 2026
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/spring-rock-capital/about/
- Website: http://www.springrockcapital.com/

Spring Rock Capital is a VC fund in Western Springs focused on Drones and Security. Spring Rock Capital operates as private equity and venture capital firm. Its investments include portfolio companies focused on security, information technology, software, and tech-enabled business services as well as niche manufacturing. The firm was formed to build upon the varied investment and operating experiences of John Cannon, itsfounding partner, which includes a unique blend of investment mandates coupled with invaluable operating experience. Its investment foundation includes investments of increasing size from $10MM to $250MM, across the capital structure from first lien to control equity and ranging from healthy and growing to distressed or complex investment theses in a wide range of industries and across multiple economic cycles.

## Contacts

5 contacts available for Spring Rock Capital. Shizune tracks 1 team members at Spring Rock Capital. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/spring-rock-capital?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Drones | 1 | 33% |
| Security | 1 | 33% |
| Wireless | 1 | 33% |
| Real Estate | 1 | 33% |
| Cyber Security | 1 | 33% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 1 | 33% |
| Venture - Series Unknown | 1 | 33% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Israel | 1 | 33% |
| United States | 1 | 33% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| John Cannon | Founding Partner | 0 | https://shizune.co/investors/profile/john-cannon-c1a7 |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| R2 Wireless | R2 Wireless offers low-cost RF Situation Awareness and Terrain Dominance capabilities to safeguard key facilities against intrusions and RF harmful attacks. | $5M | Venture - Series Unknown | Mar 10, 2026 |  |
| R2 Wireless | R2 Wireless offers low-cost RF Situation Awareness and Terrain Dominance capabilities to safeguard key facilities against intrusions and RF harmful attacks. | $5.3M | Venture - Series Unknown | Jan 08, 2026 |  |
| SwiftConnect | SwiftConnect develops an access network to connect people to the right place and time. Powering connected access experiences for commercial real estate owners and enterprises across financial and professional services, life sciences, technology, and other organizations, the company's platform integrates with existing mobile platforms,credential technologies, and business systems to provide authorized access to everything through centralized access management. | $37M | Series B | Nov 14, 2024 |  |

3 of 3 investments shown.

## Co-investors
- [Corner Ventures](https://shizune.co/investors/profile/corner-ventures) — VC Fund, 2 deals together
- [Exitfund](https://shizune.co/investors/profile/exitfund) — VC Fund, 2 deals together
- [Navitas Capital](https://shizune.co/investors/profile/navitas) — VC Fund, 2 deals together
- [Origin Ventures](https://shizune.co/investors/profile/origin-ventures) — VC Fund, 2 deals together
- [Quadri](https://shizune.co/investors/profile/quadri-ventures) — VC Fund, 2 deals together
- [1948 Ventures](https://shizune.co/investors/profile/1948-ventures) — VC Fund, 1 deal together

## Similar investors

### Similar stage
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund
- [FJ Labs](https://shizune.co/investors/profile/fj-labs) — VC Fund

## FAQ

### What does Spring Rock Capital invest in?

Spring Rock Capital invests primarily in Drones, Security and Wireless startups, most often at Series B and Venture - Series Unknown stage. Most of the 3 investments tracked by Shizune back companies in Israel. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Spring Rock Capital?

Public channels for Spring Rock Capital include LinkedIn 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.

### Who are the partners at Spring Rock Capital?

The team at Spring Rock Capital includes John Cannon (Founding Partner). The Team section lists each member with their title, investment count and links.

### 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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