# Spinnaker Ventures

> Spinnaker Ventures is a VC fund in San Francisco backing Software and Wireless. See 5 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: San Francisco, United States
- Total investments: 5
- Last investment: Apr 2020
- Lead investor: 0%
- Last updated: Aug 2026
- Website: http://www.spinnakerventures.com/

Spinnaker Ventures is a VC fund in San Francisco focused on Software and Wireless. Spinnaker Ventures, founded in 1997, is a private equity fund based in San Francisco. Through their fund they invest in emerging companies in the US that are active in information technology, communications and business services. In addition to capital, they help their portfolio companies grow by leveraging on their network of contacts andinternational experience.

## Contacts

5 contacts available for Spinnaker Ventures. Shizune tracks 1 team members at Spinnaker Ventures. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/spinnaker-ventures?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 2 | 40% |
| Wireless | 2 | 40% |
| Enterprise Software | 2 | 40% |
| Information Technology | 2 | 40% |
| Mobile | 1 | 20% |

13 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 1 | 20% |
| Series C | 1 | 20% |
| Series D | 1 | 20% |
| Funding Round | 1 | 20% |
| Venture - Series Unknown | 1 | 20% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Patrick R. Bischoff | Managing Director and founder | 0 | — |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Maitres |  | $1.2M | Venture - Series Unknown | Apr 04, 2020 |  |
| Sonics | Sonics is a pioneer of network-on-chip (NoC) technology and today offers SoC designers the largest portfolio of intelligent, on-chip communications solutions for home entertainment, wireless, networking and mobile devices. With a broad array of silicon-proven IP, Sonics helps designers eliminate memory bottlenecks associated with complex,high-speed SoC design, streamline and unify data flows and solve persistent network challenges in embedded systems with multiple cores. As the leading supplier of on-chip communications networks for the embedded market, Sonics has enabled its customers to ship more than 750 million units worldwide. Founded in 1996, Sonics is headquartered in Milpitas, Calif. with offices worldwide. | $20M | Series C | Jan 14, 2002 |  |
| Digital Fountain | As experts in broadcast and real-time data transport, Digital Fountain software optimizes the delivery of digital media over any network. Their technology eliminates the common limitations associated with digital media distribution solutions over both private and public networks, maximizing their customers' existing infrastructure investments,and enabling expanded revenue opportunities. | $20M | Series D | Oct 16, 2001 |  |
| Stellcom | Stellcom is a systems integration firm that is focused on the development of technology solutions for enterprises. It offers technology solutions for enterprise applications and devices. Stellcom was acquired by Vytek Wireless in November 2002. Stellcom was founded in 1984 and is based in San Diego, California. | $35M |  | Oct 16, 2000 |  |
| NowDocs | The NowDocs® vision is to be the world’s leading provider of web-enabling solutions for the printing industry and graphic arts market. | $31M | Series B | Jul 31, 2000 |  |

5 of 5 investments shown.

## Co-investors
- [Mission Ventures](https://shizune.co/investors/profile/mission-ventures) — VC Fund, 2 deals together
- [Adobe](https://shizune.co/investors/profile/adobe-systems) — VC Fund, 1 deal together
- BT — VC Fund, 1 deal together
- [Cisco](https://shizune.co/investors/profile/cisco) — VC Fund, 1 deal together
- [ComVentures](https://shizune.co/investors/profile/comventures) — VC Fund, 1 deal together
- [Easton Capital](https://shizune.co/investors/profile/easton-capital) — 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 Spinnaker Ventures invest in?

Spinnaker Ventures invests primarily in Software, Wireless and Enterprise Software startups, most often at Series B and Series C 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.

### How do I contact Spinnaker Ventures?

Public channels for Spinnaker Ventures include 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 Spinnaker Ventures?

The team at Spinnaker Ventures includes Patrick R. Bischoff (Managing Director and founder). 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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