Firmament Invests in LightRidge Solutions Holdings LLC

LightRidge Solutions Acquires Trident Systems

July 17, 2023

Aerospace & Defense

LightRidge Solutions, a portfolio company of ATL Partners, has acquired Trident Systems, a provider of high-performance space electronics and C4ISR solutions. The add-on deal — terms not disclosed — expands LightRidge's capabilities in space mission computing, increases Trident's production capacity, and brings complementary engineering talent into the LightRidge platform.

Rocket Lab Acquires Geost, LLC from ATL Partners / LightRidge Solutions

August 12, 2025

Aerospace & Defense

Rocket Lab USA, Inc. (a subsidiary of Rocket Lab Corporation) is acquiring Geost, LLC, a LightRidge Solutions subsidiary, in a deal that represents a successful exit for ATL Partners. Following the sale ATL will combine its remaining LightRidge businesses, Trident Systems and Ophir Corporation, into a new defense electronics platform called Trident Solutions; the transaction strengthens Rocket Lab's EO/IR payload and mission-capability offerings for defense and intelligence customers and is subject to regulatory approval.

LoneTree Capital Makes $23M Growth Investment in Northern Light Group

January 7, 2025

Cloud & SaaS

LoneTree Capital has made a $23 million growth investment in Boston-based Northern Light Group to accelerate product innovation and scale its enterprise knowledge management platform globally. As part of the investment, LoneTree partners Mike Devine, Rhett Lambert and Peter Bozian will join Northern Light's board; terms were not disclosed.

Horizon Capital Provides >£40M Growth Investment in Ridge and Partners

April 27, 2023

Engineering Services

London-based private equity firm Horizon Capital has invested more than £40 million in Ridge and Partners, the UK built-environment consultancy, providing the firm with its first institutional capital to support growth. The funding will be used to expand talent, broaden capabilities across architecture, engineering, planning and sustainability, and to pursue strategic add-on acquisitions as part of Ridge's ‘Quality, Innovation and Growth’ strategy.

Newlight Partners Makes Growth Investment in Constellation

February 1, 2023

Cloud & SaaS

Constellation, a New York–based verticalized SaaS platform for highly regulated industries, received a significant growth equity investment from Newlight Partners LP to accelerate expansion into new industries and support strategic acquisitions. The financing will fund Constellation’s growth across automotive, pharmaceutical, and financial sectors while enhancing its proprietary marketing compliance technology and service offerings.

The Riverside Company Acquires LightHouse Business Information Solutions as Add-on to ProVelocity/IronEdge MSP Platform

June 12, 2023

IT Services

The Riverside Company, via its Micro-Cap Fund, has acquired LightHouse Business Information Solutions as an add-on to its Managed IT Services platform ProVelocity and IronEdge Group. LightHouse, headquartered in Albuquerque, New Mexico (with a satellite office in Olathe, Kansas), provides outsourced IT services to SMBs and local governments across professional services, industrials, healthcare and non-profit verticals; the deal expands Riverside’s MSP footprint in New Mexico and the Midwest.