Washington Harbour Partners
WA

Washington Harbour Partners

Measured by AhrefsDR34Ahrefs DR: 34/100. Below median. Measured by Ahrefs. Median 44.

Website
Private Equity3 portfolioUSA

About

$4.7B private investment firm founded in 2021 and based in Arlington, VA. Partners with mission-critical businesses in cybersecurity, government technology, and enterprise technology, offering flexible capital across growth equity, private equity, and public markets from Series A through pre-IPO.

Key facts

Website
washingtonharbour.com
Type
Private Equity
Headquarters
USA
Portfolio companies
3
Stages
Series A
Series B
Growth
Pre-IPO
Sector focus
Cybersecurity
Government Technology
Enterprise Software
Defense Technology

Recent investments

Recent funding rounds Washington Harbour Partners took part in
DateCompanyRoundAmount
6 Aug 2026HadrianD$1.4B
4 May 2026Anello PhotonicsSeries B-2$25M

Washington Harbour Partners scores 34. Does yours?

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Frequently asked

What companies has Washington Harbour Partners invested in?

Washington Harbour Partners has invested in Hadrian, Anello Photonics, quindar.

Public record

SEC filings, insider activity, nonprofit links and pay benchmarks for Washington Harbour Partners