Donaldson Company Acquires Purilogics

Donaldson Company Acquires Isolere Bio

February 21, 2023

Biotechnology

Donaldson Company, Inc. acquired Isolere Bio, an early-stage biotechnology developer of IsoTag reagents and affinity-phase separation processes for purification of viral vectors and other biopharmaceuticals. The deal expands Donaldson's Life Sciences capabilities and will allow Isolere's technology to be commercialized and reported within Donaldson's Life Sciences segment.

Bionano Genomics Acquires Purigen Biosystems

November 28, 2022

Biotechnology

Bionano Genomics agreed to acquire Purigen Biosystems to integrate Purigen's isotachophoresis (ITP) Ionic Purification System into Bionano's optical genome mapping (OGM) workflow, aiming to simplify ultra-high molecular weight (UHMW) DNA isolation and address difficult sample types. The deal consideration is up to $64 million (including $32 million cash at closing and milestone-contingent payments) and was expected to close by December 8, 2022.

Donaldson Acquires Filtration Group’s Facet Filtration Business for $820 Million

February 2, 2026

Industrial Services

Donaldson Company entered into a definitive agreement to acquire Filtration Group’s Facet Filtration business in an all-cash transaction valued at approximately $820 million. The acquisition adds fuel and fluid filtration products used in mission-critical aerospace and defense and power generation applications, and is expected to strengthen Donaldson’s aftermarket position and financial profile.

Culligan International Combines with Waterlogic Group Holdings

December 22, 2021

Consumer Products

Culligan International and Waterlogic Group Holdings have completed a combination to create a global leader in clean and sustainable drinking water solutions. The combined company, headquartered under the Culligan name and majority owned by funds affiliated with BDT Capital Partners, expands product range, global reach and service capabilities across consumer and commercial end markets.

Purgo Holdings LLC Acquires Steri Technologies, Inc.

May 17, 2021

Manufacturing

Purgo Holdings LLC, a Wincove Private Holdings company, has acquired Steri Technologies, a Bohemia, New York-based manufacturer of filtration systems for the chemical and pharmaceutical industries. The deal expands Purgo's platform into high value-added process filtration markets and builds on its earlier platform investment in LAKOS Filtration Solutions.

Illumina Acquires SomaLogic from Standard BioTools

January 30, 2026

Healthcare Services

Illumina, Inc. completed its acquisition of SomaLogic, adding data-driven proteomics technology to expand its multiomics portfolio. The deal was for $350 million in upfront cash at closing, plus up to $75 million in near-term performance-based milestones/royalties, with Illumina expecting to fund the transaction with cash on hand.