Gannet BioChem Acquires Laysan Bio

Ampersand Capital Partners Acquires Nektar Therapeutics' PEG Reagent Manufacturing Business, Launches Gannet BioChem

December 2, 2024

Biotechnology

Ampersand Capital Partners has completed the acquisition of Nektar Therapeutics' PEGylation reagent manufacturing business and launched the new Ampersand portfolio company, Gannet BioChem, operating from a 124,000 sq. ft. FDA‑inspected facility in Huntsville, Alabama. The transaction represents a divestiture by Nektar and creates an independent specialty CDMO focused on development, scaling, and GMP production of polyethylene glycol (PEG) reagents for clinical and commercial biopharmaceutical customers.

Vector Laboratories Acquires Quanta BioDesign

June 17, 2023

Biotechnology

Vector Laboratories has acquired Quanta BioDesign, the inventor of discrete polyethylene glycol (dPEG) technology, expanding Vector's bioconjugation linkers, dyes and payload delivery capabilities. The Plain City, Ohio-based company's dPEG reagents will broaden Vector's product portfolio and support life science and biopharma customers in therapeutic, diagnostic and research applications.

Biosynth Acquires celares to Expand Bioconjugation and Polymer Drug Delivery Capabilities

July 11, 2023

Biotechnology

Biosynth, a Switzerland-based supplier of critical raw materials and manufacturing services, acquired Berlin-based celares, a developer and manufacturer of bioconjugates, activated PEGs and polymer-based drug delivery excipients. The acquisition strengthens Biosynth's capabilities in conjugate vaccines and bioconjugate drugs and adds GMP bioconjugation and PEGylation manufacturing in Berlin to its service offering.

Collagen Matrix Acquires Polyganics

October 5, 2022

Medical Devices

Collagen Matrix, a Linden Capital Partners portfolio company, has acquired Polyganics B.V., a Netherlands-based developer and manufacturer of bioresorbable medical devices. The add-on acquisition expands Collagen Matrix's regenerative medicine and polymer capabilities, entering new clinical verticals such as ENT and general surgery and broadening its neurosurgery and peripheral nerve offerings.

Ampersand Capital Partners Acquires Biologos LLC

March 19, 2024

Biotechnology

Ampersand Capital Partners, a healthcare-focused private equity firm, has acquired Biologos LLC, a Glendale Heights, Illinois-based manufacturer of custom and standard cell culture media, reagents, buffers, enzymes, and sera. Ampersand will invest to expand Biologos' capabilities, product offerings, and geographic reach, and has appointed Frank Witney as Chairman with two Ampersand principals joining the board.

Solenis Acquires CedarChem LLC

October 3, 2023

Manufacturing

Solenis, a Wilmington, Delaware-based specialty chemicals producer owned by Platinum Equity, acquired CedarChem LLC and its operating assets on October 2, 2023. CedarChem, headquartered in Cedartown, Georgia, supplies water and wastewater treatment products to industrial and municipal customers in the southeastern United States; the deal expands Solenis' product and service capabilities and regional go-to-market presence.