# MRTNZ Ventures

> MRTNZ Ventures is a VC fund in Scottsdale backing FinTech and Software. See 6 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Scottsdale, United States
- Total investments: 6
- Last investment: Feb 2022
- Lead investor: 0%
- Last updated: Aug 2026
- X (Twitter): https://twitter.com/MarioMartinezII
- Website: https://mrtnz.com/
- Facebook: https://www.facebook.com/MRTNZ-Ventures-2319565788065626/

MRTNZ Ventures is a venture capital firm.

## Contacts

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

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| FinTech | 3 | 50% |
| Software | 2 | 33% |
| Financial Services | 2 | 33% |
| CRM | 1 | 17% |
| SMS | 1 | 17% |

18 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 3 | 50% |
| Pre-Seed | 1 | 17% |
| Funding Round | 1 | 17% |
| Venture - Series Unknown | 1 | 17% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Mario Martinez II | CEO | 3 | https://shizune.co/investors/profile/mario-martinez-ii |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Sweater | Sweater is a fintech company building the first fully-managed venture capital fund that is open to everyday investors. Our mobile-first experience allows you direct access to the world's most exclusive asset class—Venture Capital. Sweater’s mission is to empower everyone to become investors in the next generation of venture-backed startups.Every founder should be able to build their vision, and every person should be able to take part in the founder journeys that create the next generation of influence and wealth. | $12M | Seed | Feb 24, 2022 |  |
| Sweater | Sweater is a fintech company building the first fully-managed venture capital fund that is open to everyday investors. Our mobile-first experience allows you direct access to the world's most exclusive asset class—Venture Capital. Sweater’s mission is to empower everyone to become investors in the next generation of venture-backed startups.Every founder should be able to build their vision, and every person should be able to take part in the founder journeys that create the next generation of influence and wealth. | $2.3M | Pre-Seed | Jul 01, 2021 |  |
| inDinero | Based in San Francisco, California, inDinero creates software solutions to help small businesses track and manage their finances. It aims to provide its users with instant insights into the finances of their companies, leading them to save on unnecessary expenses and to earn more money for their companies. With a flat pricing model and financialdashboard, SMEs can manage books, review and categorize transactions, perform month and year end reconciliations, and handle tax preparation and filing. Launched in 2009, the company was founded by Jessica Mah, Andy Su, and Andrea Barrica. |  | Venture - Series Unknown | Jan 07, 2021 |  |
| Protocol Labs | Protocol Labs is a research, development, and deployment lab for network protocols. Protocol Labs creates software systems that tackle significant challenges, aiming to solve them with new technology breakthroughs, great user experience design, and an open-source approach to creation. |  |  | Sep 06, 2017 |  |
| ReplyBuy | ReplyBuy enables businesses to start and manage personalized conversations with consumers, at scale, using our two-way text messaging platform. We make it easier than ever for businesses to reach their audience on today's preferred device - the mobile phone. Our turnkey solutions are enabling sales, marketing, and support teams to buildmeaningful relationships with their audience faster, with a personalized one-to-one conversation. What separates ReplyBuy from other communication platforms is our patented mobile-commerce technology, giving a business the ability to collect payment whenever a consumer responds with a simple "BUY" response.Sports teams and entertainment organizations such as the Yankees, Blackhawks, Sporting KC, Phoenix Rising and Playhouse Square are increasing ticket sales, event attendance and donations from fans and supporters using ReplyBuy. Colleges such as USC, Oklahoma, Kentucky, Texas, Clemson, and Nebraska are generating new revenue and increasing engagement amongst their prospects, students, and alumni using ReplyBuy. Our text messaging solutions have helped hundreds of businesses across the nation unlock a new communication channel that is to-date producing up to 60% engagement rates. Entertainment organizations and educational institutions using ReplyBuy are building stronger relationships with their audience 4x faster and 10x more effectively than cold calling and emailing. Some have already seen up to 23x ROI in their first 30 days of use.Unlock personalized conversations at scale with two-way text messaging for business with ReplyBuy. Your audience is texting you. Are you texting them? Text-enable your existing landlines today! | $2M | Seed | Oct 05, 2015 |  |
| CampusLogic | CampusLogic provides critical tools and resources for the 15 million students who travel the higher education journey each year. The company currently serves more than 750 schools increase enrollment, retention, and graduation rates with a platform, which includes a net price calculator, complete scholarship management, personalized digitalcommunications, simplified financial aid verification, 24×7 personalized virtual advising, tuition, and scholarship crowdfunding, and integrated data visualizations. | $4.1M | Seed | Jul 06, 2015 |  |

6 of 6 investments shown.

## Co-investors
- [Desert Angels](https://shizune.co/investors/profile/desert-angels) — VC Fund, 2 deals together
- [Motivate Venture Capital](https://shizune.co/investors/profile/motivate-venture-capital) — VC Fund, 2 deals together
- [Spacestation Investments](https://shizune.co/investors/profile/spacestation-investments-6dfe) — VC Fund, 2 deals together
- [Akuna Capital](https://shizune.co/investors/profile/akuna-capital) — VC Fund, 1 deal together
- [Arizona Tech Investors](https://shizune.co/investors/profile/arizona-technology-investor-forum) — VC Fund, 1 deal together
- [BlueYard Capital](https://shizune.co/investors/profile/blueyard-capital) — VC Fund, 1 deal together

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does MRTNZ Ventures invest in?

MRTNZ Ventures invests primarily in FinTech, Software and Financial Services startups, most often at Seed and Pre-Seed stage. Most of the 6 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 MRTNZ Ventures?

Public channels for MRTNZ Ventures include X (Twitter), the website linked on this profile and Facebook. 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 MRTNZ Ventures?

The team at MRTNZ Ventures includes Mario Martinez II (CEO). 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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