Artemis Capital Partners Acquires Millrock Technology

Arlington Capital Partners Acquires Millstone Medical Outsourcing

January 11, 2022

Medical Devices

Arlington Capital Partners, a Washington, DC-based private equity firm, has acquired Millstone Medical Outsourcing, a Fall River, Massachusetts-based provider of post-manufacturing, quality-critical services and supply chain logistics to medical device and pharmaceutical manufacturers. Selling shareholders included Schooner Capital; Arlington said it will provide strategic and capital support to accelerate Millstone's organic growth and pursue strategic acquisitions.

Artemis Capital Partners Acquires Diamond Antenna and Microwave Corporation

November 14, 2024

Aerospace & Defense

Boston-based private equity firm Artemis Capital Partners has acquired Diamond Antenna and Microwave Corporation, a Littleton, Massachusetts developer and manufacturer of high-reliability RF rotary joints and rotating subsystems for aerospace, defense and space applications. Artemis says Diamond will continue to operate independently from its Littleton facilities and that the firm plans to invest in technical capabilities to deepen Diamond's offerings to prime integrators and government customers.

Artemis Capital Partners Acquires Maury Microwave

June 24, 2021

Manufacturing

Boston-based private equity firm Artemis Capital Partners has acquired Maury Microwave, an Ontario, California-based designer and manufacturer of RF calibration, measurement, and modeling solutions. Artemis intends to operate Maury as an independent platform to accelerate product development, expand capabilities, and drive growth across telecommunications, semiconductor, aerospace, and defense end markets.

Millstone Medical Outsourcing Acquires MycoScience

November 14, 2022

Healthcare Services

Millstone Medical Outsourcing, an Arlington Capital Partners portfolio company, has completed the acquisition of MycoScience, a Willington, Connecticut-based provider of medical device and pharmaceutical laboratory and environmental testing services. The acquisition adds advanced laboratory and regulatory testing capabilities to Millstone's post-manufacturing and aftermarket services, enabling more in-house testing, faster time to market, and expanded end-to-end offerings.

Artemis Capital Partners Acquires Richland Glass

January 8, 2025

Manufacturing

Artemis Capital Partners, a Boston-based private equity firm, has acquired Richland Glass, an advanced materials manufacturer of specialty glass containment products based in Vineland, New Jersey. Under Artemis' ownership Richland will continue to operate independently with commitments for continued investments to expand capabilities and support growth into life sciences, environmental, aerospace and industrial end markets.

ARCHIMED Acquires Majority Stake in Arkstone Medical Solutions

August 6, 2025

Healthcare Services

ARCHIMED, a healthcare-focused private equity firm, has acquired a majority stake in Arkstone Medical Solutions, a provider of AI/ML-driven clinical decision support and antimicrobial stewardship tools. The investment will support Arkstone's product development, global expansion and R&D to accelerate adoption of its OneChoice Report in laboratories and healthcare providers worldwide.