# Ventana Capital Management

> Ventana Capital Management is a VC fund backing Biopharma and Electronics. See 5 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Rancho Santa Margarita, United States
- Total investments: 5
- Last investment: Mar 2023
- Lead investor: 40%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/in/thomasogephart
- X (Twitter): http://twitter.com/ThomasOGephart
- Website: http://www.ventanavc.com

Ventana Capital Management is a VC fund in Rancho Santa Margarita focused on Biopharma and Electronics. Ventana Capital Management, LLC is a private equity firm specializing in early and expansion stage investments. It seeks to invest in start-ups whose businesses can lead to decreased dependence on petroleum as a source of fuel, energy, or chemical feedstocks. The firm also seeks "convergence opportunities" which arise at the intersectionsor overlaps of these sectors, in particular at the interfaces of biotechnology and infotech and biotechnology and innovative energy and current investment focus of investing in semiconductors, wireless communications, communications infrastructure, bioPharma, and drug discovery companies. Within innovative energy, it focuses on bio-fuels such as ethanol and bio-diesel, bio-gases such as hydrogen, methane, certain aspects of clean fuels including fuel cells, batteries, energy supply, new energy, transmission, utilization and storage, advanced fuel cells, and hydrogen economy technologies. In infotech, the firm focuses on broadband infrastructure; wired and wireless, and digital media infrastructure. For biotechnology investments, it focuses on life sciences, drug research and development tools, medical technology in personalized medicine, telemedicine, broadband, internet and networking infrastructure, environmental industry with a focus on air pollution control, water treatment, remediation, recycling, hazardous and solid waste management, and power generation, biotechnology, genomics, eHealth, informatics, robotics, agribusiness, manufacturing and trading companies. The firm seeks to invest locally and partnering globally with a focus on United States, Canada, Chile, and Mexico. It invests between $0.5 million and $3 million per transaction. It also seeks an exit through merger and acquisition or an IPO. Ventana Capital Management, LLC was founded in 1974 and is based in San Juan Capistrano, California.

## Contacts

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

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Biopharma | 1 | 20% |
| Electronics | 1 | 20% |
| Web Hosting | 1 | 20% |
| Therapeutics | 1 | 20% |
| Biotechnology | 1 | 20% |

11 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 2 | 40% |
| Seed | 1 | 20% |
| Series A | 1 | 20% |
| Funding Round | 1 | 20% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Thomas O. Gephart | Founder, Managing Partner | 0 | — |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Superfiliate | Superfiliate is for re-writing the story on word-of-mouth marketing. | $3M | Seed | Mar 29, 2023 |  |
| Idun Pharmaceuticals | IDUN Pharmaceuticals, Inc., a biopharmaceutical company, engages in the discovery and development of human therapeutics to control apoptosis. Its products under Phase 2 and preclinical trials include drugs for liver disease, CNS diseases, inflammation, and cancer, as well as IDN-6556 for the treatment of liver diseases in patients infected withHepatitis C virus. The company was founded in 1993 and is based in San Diego, California. As of July 30, 2010, IDUN Pharmaceuticals, Inc. operates as a subsidiary of Conatus Pharmaceuticals Inc. | $27M | Series B | Jun 15, 2004 |  |
| NeoPhotonics | NeoPhotonics offers a complete line of both active and passive optical components for every network market segment: FTTH/Access, Datacom, Storage Area Networks, Metro and Long Haul networks. NeoPhotonics' transceivers are compliant with industry standard MSAs, are available in GBIC, SFF, SFP, XFP and other configurations, and serve avariety of reaches, applications and data-rates from 155MBps to 10GBps. NeoPhotonics' advanced silica Planar Lightwave Circuit (PLC) integrated optical modules and subsystems are critical parts in access FTTH networks and in metro and long-haul DWDM networks. For FTTH, NeoPhotonics manufactures integrated splitters in high volume and FTTH BiDi and TriPlexer transceivers, Other products include AWGs, Athermal AWGs, VOA Multiplexers, EDFAs and ROADM Modules. NeoPhotonics' manufactures MEMS-based Variable Optical Attenuators and Dynamic Channel Equalizers | $40M | Series B | Mar 18, 2004 |  |
| Idun Pharmaceuticals | IDUN Pharmaceuticals, Inc., a biopharmaceutical company, engages in the discovery and development of human therapeutics to control apoptosis. Its products under Phase 2 and preclinical trials include drugs for liver disease, CNS diseases, inflammation, and cancer, as well as IDN-6556 for the treatment of liver diseases in patients infected withHepatitis C virus. The company was founded in 1993 and is based in San Diego, California. As of July 30, 2010, IDUN Pharmaceuticals, Inc. operates as a subsidiary of Conatus Pharmaceuticals Inc. |  | Series A | Dec 09, 2002 |  |
| Virtual Relocation.com | Virtual Relocation.com is an online portal which offers information on services related to planning for and relocating to a new location. |  |  | Mar 22, 2000 |  |

5 of 5 investments shown.

## Co-investors
- [BioVeda Capital](https://shizune.co/investors/profile/bioveda-capital) — VC Fund, 2 deals together
- [Hambrecht & Quist Capital Management](https://shizune.co/investors/profile/hambrecht-quist-capital-management) — VC Fund, 2 deals together
- RBC — VC Fund, 2 deals together
- [180 Degree Capital](https://shizune.co/investors/profile/180-degree-capital) — VC Fund, 1 deal together
- [Aberdare Ventures](https://shizune.co/investors/profile/aberdare-ventures) — VC Fund, 1 deal together
- [ALPS Information Technology Fund](https://shizune.co/investors/profile/alps-information-technology-fund) — VC Fund, 1 deal together

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- [FJ Labs](https://shizune.co/investors/profile/fj-labs) — VC Fund

## FAQ

### What does Ventana Capital Management invest in?

Ventana Capital Management invests primarily in Biopharma, Electronics and Web Hosting startups, most often at Series B and Seed 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 Ventana Capital Management?

Public channels for Ventana Capital Management include LinkedIn, X (Twitter) 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 Ventana Capital Management?

The team at Ventana Capital Management includes Thomas O. Gephart (Founder, Managing 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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