GRANITE HARBOR CAPITAL, LLC
GRANITE HARBOR CAPITAL, LLC is a Seed, Series A, Series B, Series C+ and buyout fund in Midwest US writing $250K+ checks into manufacturing, infrastructure-support, logistics, real-estate, private-credit, private-equity and m-and-a.
- Stages
- Seed, Series A, Series B, Series C+, buyout
- Sectors
- manufacturing, infrastructure-support, logistics, real-estate, private-credit, private-equity, m-and-a
- Check size
- $250K+
- Invests in
- Midwest US
- Round role
- Leads rounds
- Actively investing
- Yes
- Founded
- 2015
- Assets under management
- $642M
Thesis
Granite Harbor Capital, LLC, a division of Granite Harbor Advisors, Inc., is an investment firm focused on private market opportunities for accredited investors and qualified purchasers. Their investment thesis is to provide access to wealth creation through private credit, real estate, venture capital, and M&A, aiming to enhance long-term returns and diversify portfolios beyond public markets. The Mariner Fund I specifically targets private equity operating companies and commercial real estate in the US Midwest, focusing on manufacturing, infrastructure support, and logistics sectors for private equity, and multifamily and industrial properties for real estate. They seek off-market or limited-market opportunities, emphasizing a fiduciary approach with risk management and long-term outcomes. The firm was announced in October 2025 as a private markets vertical, with Granite Harbor Advisors, Inc. founded in May 2015. Mariner Fund I has a target size of $50 million and a minimum investment of $250,000. Granite Harbor Advisors, Inc. reported an aggregate AUM of $642,136,188 as of December 31, 2025. The firm operates as an Exempt Reporting Adviser with headquarters in Houston, Texas, and an office in Milwaukee, Wisconsin.
Common questions
Does GRANITE HARBOR CAPITAL, LLC invest at the Seed stage?
Yes. GRANITE HARBOR CAPITAL, LLC lists Seed, Series A, Series B, Series C+ and buyout among the stages it invests in.
What check size does GRANITE HARBOR CAPITAL, LLC write?
GRANITE HARBOR CAPITAL, LLC writes $250K+ checks.
Where does GRANITE HARBOR CAPITAL, LLC invest?
GRANITE HARBOR CAPITAL, LLC invests in Midwest US.