Washington Harbour Partners

Washington Harbour Partners is an investment firm.

Active

Updated: Mar 15, 2026 ·

About

Washington Harbour Partners LP is an alternative investment firm founded in 2019 and headquartered in Arlington, VA. The firm's core strategy involves making fundamentally driven investments in both public and private companies within the United States. It aims to generate superior risk-adjusted returns through its capital deployment.

Financial History

Total Raised

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Valuation

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Investments Made

Date	Company	Round	Lead Investor(s)	Co-Investor(s)
Jan 30, 2026	VulcanForms	$220.0M Series D	1789 Capital, Eclipse Ventures	Fontinalis Partners, IEQ Capital

Financial History

Total Raised

N/A

Valuation

N/A

Deep Dive

The firm's investment thesis centers on identifying and supporting high-quality U.S. companies. This approach guides its decisions across various sectors and stages, reflecting a commitment to long-term value creation rather than short-term speculation.

Washington Harbour Partners actively participates in funding rounds for companies. For instance, the firm led Quindar's $18 million Series A funding round, demonstrating its role in supporting companies that are working to transform their respective industries.

Beyond direct investments, Washington Harbour Partners also engages in acquisition activities. An example of this is its acquisition of SIXGEN, an action that further illustrates the firm's diverse methods of deploying capital and expanding its portfolio.

The team at Washington Harbour Partners includes professionals such as Operating Partners, who bring experience in building and scaling mission-critical operations. This structure supports the firm's investment activities and its engagement with portfolio companies.

Sources

Frequently Asked Questions

In what types of transactions does Washington Harbour Partners engage?

The firm engages in both direct investments, such as leading funding rounds for companies, and acquisition activities, as evidenced by its acquisition of SIXGEN.

When was Washington Harbour Partners established and where is it located?

Washington Harbour Partners LP was founded in 2019 and is based in Arlington, VA, within the Washington D.C. metropolitan area.