# Buff Gold Ventures

> Buff Gold Ventures is a VC fund in Boulder backing Laser, PropTech and Security. See 7 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Boulder, United States
- Total investments: 7
- Last investment: Jan 2026
- Lead investor: 14%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/buffgoldventures/
- X (Twitter): https://twitter.com/buffgoldventure
- Website: https://buffgoldventures.com/
- Facebook: https://www.facebook.com/buffgoldventures

Buff Gold Ventures is a venture fund.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Laser | 1 | 14% |
| PropTech | 1 | 14% |
| Security | 1 | 14% |
| Software | 1 | 14% |
| Industrial | 1 | 14% |

18 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 4 | 57% |
| Series A | 2 | 29% |
| Pre-Seed | 1 | 14% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Think Bioscience | Think Bioscience is reimagining synthetic biology by guiding the design and assembly of better medicines through the use of living systems. | $55M | Series A | Jan 20, 2026 |  |
| Swept AI | Swept AI is a software company that provides AI applications tool, compliance infrastructure and security services. | $1.4M | Pre-Seed | Aug 18, 2025 |  |
| Polaris Electro-Optics | Polaris Electro-Optics empowers integrated photonics for communications and computation. | $3M | Seed | Dec 04, 2023 |  |
| Tynt Technologies | Tynt Technologies is a developer of a smart window to prevent glare while maintaining views and save energy. It offers ideal visual and thermal occupant comfort while minimizing building energy consumption from lighting and HVAC use. The company was founded in 2020 and is headquartered in Boulder, Colorado. | $7.1M | Seed | Apr 28, 2023 |  |
| LongPath Technologies | LongPath Technologies is an oil and gas monitoring service company that provides laser-based natural gas infrastructure monitoring systems. LongPath's managed infrastructure offers unparalleled detection and coverage, delivering consistently accurate precision data customized to clients' needs. The mission is to empower operators toconfidently validate gas performance, enhancing operational credibility and promoting sustainable futures. | $22M | Series A | Dec 05, 2022 |  |
| Vitro3D | Vitro3D develops volumetric 3D printing solutions producing dental aligners and scaffolds for 3D cell culture and tissue engineering. | $1.3M | Seed | Nov 02, 2022 |  |
| Think Bioscience | Think Bioscience is reimagining synthetic biology by guiding the design and assembly of better medicines through the use of living systems. | $17M | Seed | Aug 18, 2022 |  |

7 of 7 investments shown.

## Co-investors
- [AV8 Ventures](https://shizune.co/investors/profile/av8-ventures) — VC Fund, 2 deals together
- [CE-Ventures](https://shizune.co/investors/profile/ce-ventures) — VC Fund, 2 deals together
- [Innovation Endeavors](https://shizune.co/investors/profile/innovation-endeavors) — VC Fund, 2 deals together
- [Ann Arbor SPARK](https://shizune.co/investors/profile/ann-arbor-spark) — VC Fund, 1 deal together
- [Axial VC](https://shizune.co/investors/profile/axial-vc) — VC Fund, 1 deal together
- [Caruso Ventures](https://shizune.co/investors/profile/caruso-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 Buff Gold Ventures invest in?

Buff Gold Ventures invests primarily in Laser, PropTech and Security startups, most often at Seed and Series A stage. Most of the 7 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 Buff Gold Ventures last invest?

The most recent investment recorded for Buff Gold Ventures closed in Jan 2026. Shizune tracks 7 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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