# Old Three Hundred Capital

> Old Three Hundred Capital is a VC fund in Austin backing Software, Dental and FinTech. See 4 investments, round sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Austin, United States
- Total investments: 4
- Last investment: Aug 2022
- Lead investor: 75%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/27158553/
- Website: http://othcapital.com/

Old Three Hundred Capital is a VC fund in Austin focused on Software and Dental. Diversified investment company focusing on Real Estate Private Equity and Venture/Growth Capital.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 3 | 75% |
| Dental | 2 | 50% |
| FinTech | 1 | 25% |
| Medical | 1 | 25% |
| Training | 1 | 25% |

11 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 1 | 25% |
| Series A | 1 | 25% |
| Convertible Note | 1 | 25% |
| Venture - Series Unknown | 1 | 25% |

## Investments

| Company | Description | Round size | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Complete Specialty Solutions | Complete Specialty Solutions provides in-house specialty solutions to general dentist offices through our unique combination of clinical, business and operational support delivered as an integrated and turn-key solution. |  | Venture - Series Unknown | Aug 23, 2022 |  |
| TaxTaker | TaxTaker secures Federal and State R&D Tax Credits for Startups and SMBs, the #1 non-dilutive funding program available for growing companies. With a faster and smarter way of calculating credits and preparing reports documenting eligibility, Startups quickly boost cash-flow and increase bottom line. TaxTaker's founding team has over40 years of combined experience preparing and defending R&D credit claims for SMBs to Fortune 50 companies. With legislation increasing the benefits for Startups to offset their payroll liabilities, TaxTaker is the partner every Startup needs in their toolkit. The TaxTaker team works with Startups nationwide and is proudly based in Austin, Texas. | $3.5M | Seed | Aug 15, 2020 |  |
| Dextall | Dextall operates as a standardized prefab wall manufacturer. It provides fully automated design assistance integration for architects working on mid and high-rise buildings. Dextall exterior walls are lightweight supported by light gauge metal and fire-rated core insulation. It is a simple and versatile product that delivers water and an airtight,high-performance facade.Founded in 2020, Dextall is based in Fairfax, Virginia, United States. |  | Convertible Note | Jun 30, 2020 |  |
| Modento | Modento develops a patient engagement platform to cater to the doctors and businesses in the dental industry. The company helps close the communication gap between doctors and patients. Its cloud-based platform allows the patient to fill form through electronic gadgets, marketing, and appointment reminders. | $1M | Series A | Jun 15, 2020 |  |

4 of 4 investments shown.

## Co-investors
- [BP Capital Management](https://shizune.co/investors/profile/bp-capital-management) — VC Fund, 1 deal together
- [Golden Section](https://shizune.co/investors/profile/golden-section-3a4e) — VC Fund, 1 deal together
- [Indicator Ventures](https://shizune.co/investors/profile/indicator-ventures) — 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 Old Three Hundred Capital invest in?

Old Three Hundred Capital invests primarily in Software, Dental and FinTech startups, most often at Seed and Series A 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 Old Three Hundred Capital last invest?

The most recent investment recorded for Old Three Hundred Capital closed in Aug 2022. 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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