# Third Prime

> Third Prime is a New York- and Nashville-based early-stage venture firm founded in 2016 by Keith Hamlin and Wesley Barton. It backs founders building software and financial infrastructure for markets that are large, operationally complex, and often ignored by mainstream technology investors - from self-storage and metal recycling to aviation ground operations, education finance, nuclear compliance, embedded finance, and digital assets.

- **Founded:** 2016
- **Headquarters:** New York, United States
- **Founders:** Keith Hamlin (Co-Founder and General Partner), Wesley Barton (Co-Founder and General Partner)
- **Team size:** Approximately 14-15 people across New York and Nashville, based on LinkedIn and supplied company data.
- **Products:** Seed and early-stage venture investing, Founder financing and transaction support, Portfolio and operating support, Third Prime investment funds
- **Notable:** Built a public portfolio spanning dozens of active and realized investments since its 2016 launch., Backed Circle and Chime, both of which completed public offerings in 2025., Invested in Rize Money, acquired by Fifth Third Bank in 2023.

## Products & services

- **Seed and early-stage venture investing** — Equity capital for startups from the earliest stage, with a preference for companies building scalable platforms in large, changing markets.
- **Founder financing and transaction support** — Help with investor syndicates, milestone planning, debt and equity financings, partnerships, and M&A, drawing on the partners' legal and investing backgrounds.
- **Portfolio and operating support** — Concentrated partner attention plus legal, operating, business-development, and fundraising assistance for portfolio founders.
- **Third Prime investment funds** — A family of early-stage and specialist investment vehicles, including the Alpha funds and a crypto-focused fund.

## Achievements

- Built a public portfolio spanning dozens of active and realized investments since its 2016 launch.
- Backed Circle and Chime, both of which completed public offerings in 2025.
- Invested in Rize Money, acquired by Fifth Third Bank in 2023.
- Invested in Salt Labs, whose enterprise business was acquired by Chime in 2024.
- Backed GreenSpark and co-led two financing rounds before its 2026 combination with ReMatter to create ReSpark.
- Seed-backed Cubby in 2022 before the self-storage software company grew to more than 400 operators and announced a $63 million Series A led by Goldman Sachs Alternatives.
- Co-led Moonware's $7 million seed financing after commercial launches at JFK and LAX.

## Latest updates

- **2026-04** — GreenSpark and ReMatter agreed to combine as ReSpark, creating a metal-recycling software platform serving more than 800 operators across 1,000-plus facilities at announcement.
- **2026-03** — Third Prime participated in UnityAI's Series A financing, continuing its activity in healthcare operations software.
- **2026-02** — Portfolio company Croissant announced a $14 million Series A round.
- **2026-01** — Third Prime highlighted Cubby's growth beyond 400 self-storage operators following a $63 million Series A led by Goldman Sachs Alternatives.
- **2025-06** — Portfolio companies Circle and Chime completed initial public offerings.
- **2025-02** — Third Prime led a $4 million financing for Everstar, which develops AI software for nuclear licensing and regulatory compliance.
- **2024-06** — Chime acquired Salt Labs' enterprise business.
- **2023-05** — Fifth Third Bank acquired portfolio company Rize Money, an embedded-payments infrastructure provider.
- **2024-03** — Third Prime and Zero Infinity Partners co-led Moonware's $7 million seed round for automated airfield operations.

## Links

- Website: https://thirdprime.vc
- LinkedIn: https://www.linkedin.com/company/third-prime
- Twitter/X: https://twitter.com/thirdprimevc

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Profile page: https://yespress.io/third-prime
Published by YesPress — https://yespress.io
Last updated: 2026-08-17