About Washington Harbour Partners
Washington Harbour Partners is a private equity firm founded in 2019. It is primarily based in Arlington, United States. As of Sep 2026, Washington Harbour Partners is an active investor with a portfolio of 36 companies, comprising 36 funding rounds and 2 acquisitions. In the last 12 months, it has participated in 21 funding rounds. The firm primarily invests in companies based in United States. Its portfolio is spread across a wide range of sectors from Enterprise Applications to High Tech. Its latest investment was a $***** Series E round in Stoke on Sep 08, 2026 which also saw participation from Point72 Ventures, Spark Capital and other investors.
Overall Washington Harbour Partners portfolio has seen 8 unicorns, 1 IPO and 3 acquisitions including key companies like NinjaOne, Shield AI and Epirus. A lot of funds co-invest with Washington Harbour Partners, with names like StepStone Group sharing a substantial percentage of its portfolio.
Washington Harbour Partners has a team of 10 people, including 2 partners.
Key Metrics
Founded Year
2019
Location
Arlington, United States
Portfolio Sectors
Portfolio Locations
Acquisition Deals
Washington Harbour Partners' Portfolio
Washington Harbour Partners has a portfolio of 36 companies. They have invested in a total of 36 companies. Their most recent investment was in Stoke (Series E round) on Sep 08, 2026. Here are the most recent investments by Washington Harbour Partners:Date | Company | Round | Amount | Co-Investors |
|---|---|---|---|---|
Sep 08, 2026 | Series E | 7513 | ||
Aug 06, 2026 | Series D | 4801 | ||
Jul 22, 2026 | Series B | 9026 | ||
Jun 19, 2026 | Seed | 6588 | - |
Washington Harbour Partners has acquired 2 companies. Their most recent acquisition was of SIXGEN on Nov 20, 2023. Here are the most recent acquisitions by Washington Harbour Partners:
Acquisition Date | Company | Short Description | Total Funding | Founded Year |
|---|---|---|---|---|
Nov 20, 2023 | Cybersecurity solutions provider securing operations and empowering missions in contested environments | $500K | 2014 | |
Jan 06, 2022 | Provider of digital transformation services | - | 2003 |
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Here is the portfolio snapshot of Washington Harbour Partners:
Investments by Year
The maximum number of investments were made in 2026
Acquisitions by Year
The maximum number of acquisitions were made in 2023
Portfolio by Location
Companies are primarily in United States
Portfolio by Sector
Companies are primarily in Enterprise Applications
Team profile of Washington Harbour Partners
Washington Harbour Partners has a team of 10 members including 2 Partners and 5 Principals located in United States. Washington Harbour Partners' team does not sit on the board of any company as of now.Here is a list of all team members in Washington Harbour Partners:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | - | - | ||
Partner | Washington, DC | - | ||
Principal | - | - | ||
Principal | United States | - | ||
Principal | - | - | ||
Principal | - | - | ||
Principal | Washington | - | ||
Associate | - | - | ||
Associate | - | - |
Co-investors of Washington Harbour Partners
Over the past 7 years, 97 investors have co-invested in Washington Harbour Partners's portfolio companies.
- Top Co-investors of Washington Harbour Partners: 97 investors entered a company along with Washington Harbour Partners. These include investors like StepStone Group (3 companies).
Washington Harbour Partners News
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Hadrian Raises $1.37 Billion in Series D Funding, Valuation Nears $8 BillionTrending Topics•Aug 07, 2026•Hadrian, Valor Equity Partners, Washington Harbour Partners, Baillie Gifford and 3 others
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Mariana Minerals Raises $310M in Series B FundingFinSMEs•Aug 04, 2026•StepStone Group, Mariana Minerals, Khosla Ventures, Greenoaks and 11 others
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NinjaOne Achieves $12.3 Billion Valuation After $400 Million Series C ExtensionIntelligentcio•Jun 09, 2026•NinjaOne, Wellington, TVG, Ontario Teachers' Pension Plan and 10 others
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Apex Raises $200M At $2.3B ValuationPayload•Jun 05, 2026•Glade Brook Capital, Apex, Washington Harbour Partners
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Picogrid Raises $45M Series A to Build the Open Integration Layer for Modern Defenseintelligence360•May 29, 2026•Credo Ventures, Alumni Ventures, GSBackers, Picogrid and 4 others
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Picogrid Secures $45 Million Series A Funding to Revolutionize Defense IntegrationBenzinga•May 29, 2026•Picogrid, Bessemer Venture Partners, GSBackers, Initialized Capital and 4 others
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Scout Space Closes $18M Series A Funding RoundPayload•May 06, 2026•Scout Space, Washington Harbour Partners, Vipc, Noblis and 2 others
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Turion Space Raises $75 Million to Expand Maneuverable Satellite FleetSpaceNews•Apr 15, 2026•Thewashingtonharbour, Turion Space, FoundersX Ventures, Center15 Capital and 6 others
