# Castile Ventures

> Castile Ventures is a VC fund in Wellesley backing Software and Video. See 34 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Wellesley, United States
- Total investments: 34
- Last investment: Aug 2019
- Lead investor: 24%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/castile-ventures
- Website: http://www.castileventures.com

Castile Ventures is an early-stage venture capital firm that provides financial banking and strategic guidance.

## Contacts

5 contacts available for Castile Ventures. Shizune tracks 2 team members at Castile Ventures. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/castile-ventures?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 5 | 15% |
| Video | 3 | 9% |
| Internet | 3 | 9% |
| Security | 3 | 9% |
| Telecommunications | 3 | 9% |

53 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 8 | 24% |
| Funding Round | 7 | 21% |
| Series C | 6 | 18% |
| Series D | 4 | 12% |
| Series A | 2 | 6% |

7 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 18 | 53% |
| United Kingdom | 1 | 3% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Nina Saberi | Founder & Managing General Partner | 4 | https://shizune.co/investors/profile/nina-saberi |
| Carolyn Wells | Office Manager | 0 | https://shizune.co/investors/profile/carolyn-wells |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Blooma | Blooma delivers a faster and more intelligent commercial real estate lending experience through the use of a unique digital underwriting platform driven by artificial intelligence and machine learning. Blooma's AI platform helps lenders reduce loan origination time and cost and perform a more comprehensive analysis of their transactions. |  | Seed | Aug 20, 2019 |  |
| Eightfold Logic | Eightfold Logic (formerly Enquisite) is an inbound marketing innovator.Eightfold Logic's patented inbound marketing platform revolutionizes demand generation efforts by improving website findability for qualified buyers through search engine, social media, and cross-link optimization. The Eightfold Logic approach brings clarity tobusinesses around how their websites are performing today and simplifies marketing efforts to identify, prioritize and manage inbound marketing campaign opportunities to improve qualified website traffic.Eightfold Logic is a privately-held, San Francisco-based company and is venture backed by Rho Canada Ventures, Castile Ventures, Formative Ventures, Retro Venture Partners and The Entrepreneurs' Fund III. | $1M | Series D | Nov 21, 2012 |  |
| Funambol | Funambol is the leading provider of white-label personal cloud solutions. For more information, please visit our website at http://www.funambol.com. | $5.8M |  | Oct 09, 2012 |  |
| RiskVision | RiskVision is arming today's businesses and government agencies with the innovative, intelligence-based solutions they need to maximize IT budgets while remaining proactive in an environment of economic instability and increased regulation. | $500K |  | Oct 01, 2012 |  |
| RiskVision | RiskVision is arming today's businesses and government agencies with the innovative, intelligence-based solutions they need to maximize IT budgets while remaining proactive in an environment of economic instability and increased regulation. | $5.5M | Private Equity | Aug 01, 2012 |  |
| Health Guru Media Inc. | Healthguru.com is the destination site for health video on the web with 99 million views per month (comScore Video Metrix, August). Our unique approach to health education was developed specifically for the video audience and is differentiated in three key ways:- Category Focus: Healthguru.com focuses on the health topics that matter most totoday's audience, including: diet and fitness, mental & emotional health, sexual health, pregnancy, baby health, drugs & alcohol, as well as information on more than 125 different health conditions.- Medium: The modern health consumer seeks out an immersive, rich media experience on the web, and video has proven to be a more engaging medium. Healthguru.com has the largest health video library online, and interactive applications to offer our audience the experience it expects.- Editorial Approach: World-class information providers know that creating truly engaging content is the way to ensure that information becomes learning. That's why Healthguru.com is dedicated to making our content as interesting and, when relevant, entertaining, as it is useful. All Healthguru.com content is created or selected by our editorial team and is rigorously reviewed for medical accuracy, objectivity and balance. While we do accept advertising on our site and may distribute content via third party sites, Healthguru.com does not endorse products, services or companies. | $6M | Series D | Jun 29, 2011 |  |
| VisibleGains | VisibleGains makes products to help businesses communicate better with their customers. VisibleGains has two products: Postwire: Make a private webpage for each client. You can collect videos, photos, web links, and documents and share them on each clients' private page. VideoApps - Interactive landing page videos | $2M | Series D | Dec 02, 2009 |  |
| Tetragenetics | Tetragenetics is an early-stage biotechnology company meeting the needs of customers who seek a cost-effective alternative platform technology for the production of genetically engineered proteins. Their technology is particularly well suited to the production of eucaryotic membrane and secretory proteins that are difficult to express inconventional systems. Such proteins include vaccine antigens, monoclonal antibodies, and a variety of therapeutic proteins for the treatment and prevention of human and animal disease. | $490.3K |  | Nov 24, 2009 |  |
| Health Guru Media Inc. | Healthguru.com is the destination site for health video on the web with 99 million views per month (comScore Video Metrix, August). Our unique approach to health education was developed specifically for the video audience and is differentiated in three key ways:- Category Focus: Healthguru.com focuses on the health topics that matter most totoday's audience, including: diet and fitness, mental & emotional health, sexual health, pregnancy, baby health, drugs & alcohol, as well as information on more than 125 different health conditions.- Medium: The modern health consumer seeks out an immersive, rich media experience on the web, and video has proven to be a more engaging medium. Healthguru.com has the largest health video library online, and interactive applications to offer our audience the experience it expects.- Editorial Approach: World-class information providers know that creating truly engaging content is the way to ensure that information becomes learning. That's why Healthguru.com is dedicated to making our content as interesting and, when relevant, entertaining, as it is useful. All Healthguru.com content is created or selected by our editorial team and is rigorously reviewed for medical accuracy, objectivity and balance. While we do accept advertising on our site and may distribute content via third party sites, Healthguru.com does not endorse products, services or companies. | $3.2M | Series C | Oct 21, 2009 |  |
| PGP TrustCenter | PGP TrustCenter is the provider of on-demand PKI (public key infrastructure) security services, enabling a wide range of PKI-enabled security services for enterprise authentication, secure e-mail, and digital signatures. They deliver breakthrough economics and implementation speed to the enterprise's traditional managed services. | $6M |  | Aug 14, 2008 |  |

10 of 34 investments shown.

## Co-investors
- [Oak Investment Partners](https://shizune.co/investors/profile/oak-investment-partners) — VC Fund, 4 deals together
- [Accel](https://shizune.co/investors/profile/accel) — VC Fund, 3 deals together
- [ComVentures](https://shizune.co/investors/profile/comventures) — VC Fund, 3 deals together
- [CRV](https://shizune.co/investors/profile/crvvc) — VC Fund, 3 deals together
- [Redpoint](https://shizune.co/investors/profile/redpoint-ventures) — VC Fund, 3 deals together
- [Village Ventures](https://shizune.co/investors/profile/village-ventures) — VC Fund, 3 deals together

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- [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 Castile Ventures invest in?

Castile Ventures invests primarily in Software, Video and Internet startups, most often at Series B and Funding Round stage. Most of the 34 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 Castile Ventures?

Public channels for Castile Ventures 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 Castile Ventures?

The team at Castile Ventures includes Nina Saberi (Founder & Managing General Partner) and Carolyn Wells (Office Manager). 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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