# Sienna Ventures

> Sienna Ventures is a VC fund in San Rafael backing Mobile, CRM and Gaming. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: San Rafael, United States
- Total investments: 4
- Last investment: Aug 2006
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/sienna-ventures
- Website: http://www.siennaventures.com/

Sienna Ventures is a VC fund in San Rafael focused on Mobile and CRM. Sienna Ventures, formerly Sienna Holdings, is a California-based venture capital firm that was founded in 1990. We are an early-stage technology investor that has offices in San Rafael, California as well as in New York City. Our primary focus is on companies that provide software, medical technology, wireless communications, Internetinfrastructure, cloud computing, ecommerce and networking where the applications of technology create sustainable advantages. The companies that we target for our portfolio are in need of investments between $5 million and $25 million dollars to fund the start-up of their businesses. We also partner with other investors including private equity firms to provide growth capital for a wide range of mid-sized companies as a minority investor. We often serve on the board of directors of companies in which we are a minority investor.What sets Sienna Ventures apart is our dedication to selecting highly deserving portfolio companies to which we can devote more of our attention, guiding and nurturing them to greater growth and success. We take an active role in our investments, working with each company’s management, taking a seat on their board, and offering the benefit of expanded business alliances, recruiting management, industry perspectives, and best practices and strategies.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Mobile | 2 | 50% |
| CRM | 1 | 25% |
| Gaming | 1 | 25% |
| Freemium | 1 | 25% |
| Software | 1 | 25% |

11 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 1 | 25% |
| Series C | 1 | 25% |
| Funding Round | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Motricity | Motricity is Mobile Data and Solutions Provider Motricity Changes Corporate Name to Voltari. Voltari is a digital advertising company dedicated to helping companies get the most out of their marketing budgets and the lifetime value of their customers, built on more than 10 years of experience in the mobile industry. | $32M |  | Aug 11, 2006 |  |
| Glu Mobile | Glu Mobile (NASDAQ:GLUU) is a global developer and publisher of freemium games for smartphone and tablet devices. Glu is focused on creating compelling original IP games such as GUN BROS, DEER HUNTER, BLOOD & GLORY, and SAMURAI VS. ZOMBIES DEFENSE on a wide range of platforms including iOS, Android™, Windows Phone, Google Chrome, and MAC OS.Glu’s unique technology platform enables its titles to be accessible to a broad audience of consumers globally. Founded in 2001, Glu is headquartered in San Francisco with major offices outside Seattle, and overseas in Brazil, Canada, China, and Russia. Consumers can find high-quality entertainment created exclusively for their mobile devices wherever they see the ‘g’ character logo or at www.glu.com.Glu Mobile was founded in 2001 as Sorrent. In 2004, Sorrent merged with Macrospace to form Glu Mobile. | $20M | Series C | Jul 30, 2004 |  |
| Glu Mobile | Glu Mobile (NASDAQ:GLUU) is a global developer and publisher of freemium games for smartphone and tablet devices. Glu is focused on creating compelling original IP games such as GUN BROS, DEER HUNTER, BLOOD & GLORY, and SAMURAI VS. ZOMBIES DEFENSE on a wide range of platforms including iOS, Android™, Windows Phone, Google Chrome, and MAC OS.Glu’s unique technology platform enables its titles to be accessible to a broad audience of consumers globally. Founded in 2001, Glu is headquartered in San Francisco with major offices outside Seattle, and overseas in Brazil, Canada, China, and Russia. Consumers can find high-quality entertainment created exclusively for their mobile devices wherever they see the ‘g’ character logo or at www.glu.com.Glu Mobile was founded in 2001 as Sorrent. In 2004, Sorrent merged with Macrospace to form Glu Mobile. | $4.8M | Series B | May 01, 2003 |  |
| ViaQuo | Viaquo Corporation is the leading provider of Internet-based distributed access permissioning software. |  |  |  |  |

4 of 4 investments shown.

## Co-investors
- [New Enterprise Associates](https://shizune.co/investors/profile/new-enterprise-associates) — VC Fund, 3 deals together
- [Advanced Equities](https://shizune.co/investors/profile/advanced-equities) — VC Fund, 1 deal together
- [Globespan Capital Partners](https://shizune.co/investors/profile/globespan-capital-partners) — VC Fund, 1 deal together
- [Intel Capital](https://shizune.co/investors/profile/intel-capital) — VC Fund, 1 deal together
- [Noro-Moseley Partners](https://shizune.co/investors/profile/noro-moseley-partners) — VC Fund, 1 deal together
- [Scale Venture Partners](https://shizune.co/investors/profile/scale-venture-partners) — 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 Sienna Ventures invest in?

Sienna Ventures invests primarily in Mobile, CRM and Gaming startups, most often at Series B and Series C stage. Most of the 4 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 Sienna Ventures last invest?

The most recent investment recorded for Sienna Ventures closed in Aug 2006. Shizune tracks 4 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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