Haemonetics Corporation Acquires OpSens Inc.

Haemonetics Acquires Cardiva Medical

January 20, 2021

Medical Devices

Haemonetics Corporation agreed to acquire Cardiva Medical, Inc., a privately-held maker of vascular closure systems based in Santa Clara, California, for $475 million upfront and up to $35 million in contingent consideration. The acquisition expands Haemonetics' hospital portfolio and its presence in the interventional cardiology and electrophysiology markets and is expected to be accretive to revenue growth.

Haemonetics Acquires Attune Medical

March 5, 2024

Medical Devices

Haemonetics Corporation has agreed to acquire privately-held Attune Medical, the maker of the FDA-cleared ensoETM esophageal cooling device, for $160 million upfront plus contingent consideration. The acquisition will expand Haemonetics' electrophysiology and temperature-management capabilities and is expected to close in Haemonetics' fiscal 2025 first quarter.

Haemonetics Acquires Vivasure Medical

January 11, 2026

Medical Devices

Haemonetics Corporation has acquired Galway-based Vivasure Medical in a transaction valued at up to €185 million, consisting of an upfront €100 million payment plus up to €85 million in contingent milestone payments. The acquisition adds Vivasure's PerQseal Elite fully bioabsorbable vascular closure system to Haemonetics' large-bore closure portfolio; Vivasure has CE Mark approvals and has submitted a PMA to the U.S. FDA.

Groupe HLD Acquires Photonis (now Exosens) from Ardian

November 18, 2025

Aerospace & Defense

Groupe HLD (HLD Europe) acquired Photonis Group (rebranded Exosens) from Ardian in 2021 in a reported €370 million buyout. Under HLD ownership Exosens expanded through nearly ten add-on acquisitions, grew to roughly 1,600–1,900 employees with ~€394m turnover, and completed an IPO on Euronext Paris in June 2024.

THEON INTERNATIONAL Acquires 9.77% Stake in Exosens from HLD Europe

January 7, 2026

Aerospace & Defense

HLD Europe has completed the sale of a 9.77% stake in Exosens to THEON INTERNATIONAL at a price of €54 per share. After the transaction HLD Europe retains a 22.35% stake in Exosens; THEON (a European night-vision and thermal imaging manufacturer) takes a strategic minority position in the company.

Hologic Acquires Acessa Health for Approximately $80M

August 25, 2020

Medical Devices

Hologic, Inc. has acquired Acessa Health Inc., a privately held maker of the Acessa ProVu minimally invasive system for treating uterine fibroids, for approximately $80 million in cash plus contingent payments. The tuck-in purchase expands Hologic's GYN surgical portfolio and leverages Hologic's commercial infrastructure to accelerate adoption of Acessa's technology.