Ampersand Capital Partners Acquires Peptides International and Merges It with New England Peptide

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.

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.

Ampersand Capital Partners Invests in AnaBios Corporation

June 7, 2022

Healthcare Services

Ampersand Capital Partners has made a growth equity investment in San Diego-based AnaBios Corporation, a preclinical contract research organization specializing in translational research using human tissues. The investment will be used to expand AnaBios’s capabilities, therapeutic area coverage and global reach to support more successful drug discovery and development programs.

Ampersand Capital Partners Invests in Alliance Pharma

November 18, 2021

Healthcare Services

Ampersand Capital Partners has made a growth equity investment in Alliance Pharma, a Malvern, Pennsylvania–based bioanalytical CRO. The funding will support Alliance’s expansion of global reach, scientific capabilities, and operational capacity while founder Frank Li remains a significant shareholder.

Ampersand Capital Partners Invests in Genezen Laboratories

January 5, 2021

Biotechnology

Ampersand Capital Partners has made a majority growth-equity investment in Genezen Laboratories, a cell and gene therapy CDMO, to fund completion of a 25,000 sq. ft. cGMP lentiviral vector production facility and expand process development and analytical testing capabilities. The capital will support Genezen's capability expansion across upstream/downstream processing, analytical testing, and cGMP vector production to serve early‑phase and growth-stage cell and gene therapy developers.

Ampersand Capital Partners Majority Recapitalizes New England Peptide

October 7, 2019

Biotechnology

Ampersand Capital Partners completed a majority recapitalization of New England Peptide to support the company's worldwide growth initiatives and expand its peptide synthesis capabilities. As part of the transaction, Dr. José de Chastonay was appointed Executive Chairman; founders Sam and Jennifer Massoni remain noted in the announcement.