Washington Harbour Partners | Activity | F4

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F4/Washington Harbour Partners/Activity

Washington Harbour Partners Activity

Every public signal F4 has attached to this firm, with sources and cross-entity links.

Types

Time range

Essay

Published an industrial thesis arguing for a new four-layer American industrial stack, citing Vulcan Elements, Hadrian, Mariana Minerals, VulcanForms, and Firestorm.

American Reindustrialization Demands a New Industrial Stack

VulcanFormsVulcan Elementshadrian.co Washington Harbour Partners

washingtonharbour.comAUG 7, 2026

AUG 7, 2026

News

Featured among coverage of DC's leading defense-tech investors and entrepreneurs in Washingtonian's 2026 profile.

Washingtonian: DC's 2026 Leading Defense-Tech Innovators

Washington Harbour Partners

washingtonian.comAUG 4, 2026

AUG 4, 2026

Investment

Made a strategic growth investment in Computomic, a data platform and cloud/ML/GenAI solutions provider.

Computomic

Computomic Washington Harbour Partners

washingtonharbour.comJUN 15, 2026

JUN 15, 2026

Milestone

Portfolio company NinjaOne reached a $12.3B valuation as the IT operations market consolidated.

NinjaOne

NinjaOne Washington Harbour Partners

washingtonharbour.comJUN 9, 2026

JUN 9, 2026

Press

Portfolio company Apex Space's CEO discussed the company's position as a leading spacecraft platform manufacturer on CNBC.

Apex Space CEO on CNBC: 'We have become the go-to spacecraft platform company'

Washington Harbour Partners

washingtonharbour.comJUN 5, 2026

JUN 5, 2026

News

Celebrated 16+ portfolio companies named to Silicon Valley Defense Group's 2026 NatSec100 list, ranking among the list's top six most active investors.

Silicon Valley Defense Group 2026 NatSec100

Washington Harbour Partners

washingtonharbour.comMAY 26, 2026

MAY 26, 2026

Essay

Senior Partner Brian Smith wrote about his transition from nearly 20 years at In-Q-Tel to Washington Harbour, framing it as a continuation of trusted government-technology bridging.

From In-Q-Tel to Washington Harbour: Continuing the Mission

Washington Harbour Partners

washingtonharbour.comMAY 13, 2026

MAY 13, 2026

3 investments· APR 2026 – MAY 2026Show all

Investment

Joined Picogrid's $45M Series A, led by Bessemer Venture Partners, for its defense integration platform.

Picogrid

Picogrid Washington Harbour Partners

picogrid.comMAY 2026

MAY 2026

Investment

Led Turion Space's $75M+ Series B to accelerate space domain awareness and non-Earth imaging capabilities.

Turion Space

Turion Space Washington Harbour Partners

spacenews.comAPR 15, 2026

washingtonharbour.com

APR 15, 2026

Investment

Led Citra Space Corp's $15M Series A for space object identification technology.

Citra Space Corp

Citra Space Corp Washington Harbour Partners

prnewswire.comAPR 13, 2026

APR 13, 2026

Milestone

Portfolio company Shield AI announced plans to acquire Aechelon alongside a $2B raise at a $12.7B valuation.

Shield AI

AechelonShield AI Washington Harbour Partners

washingtonharbour.comMAR 26, 2026

MAR 26, 2026

3 investments· NOV 2021 – MAR 2026Show all

Investment

Led growth capital investment in Striveworks to expand its AIOps platform for U.S. and allied defense communities.

Striveworks

Striveworks Washington Harbour Partners

prnewswire.comMAR 24, 2026

MAR 24, 2026

Investment

Acquired SIXGEN, a cyber solutions provider for the national security, intelligence, and defense communities.

SIXGEN

SIXGEN Washington Harbour Partners

businesswire.comNOV 15, 2023

washingtonharbour.com

NOV 15, 2023

Investment

Acquired Collabralink Technologies (now Groundswell), a federal ERP and low-code technology integrator, as a platform investment.

Groundswell

Groundswell Washington Harbour Partners

gswell.comNOV 2021

NOV 2021