Rosen's Diversified, Inc. Acquires Collagen Solutions plc

GI Partners Completes Acquisition of Charles River’s CDMO and Cell Solutions Businesses, Forms Rose BioSolutions

May 8, 2026

Healthcare Services

GI Partners completed its acquisition of the Contract Development and Manufacturing Organization (CDMO) and Cell Solutions businesses from Charles River Laboratories, creating an independent advanced therapy manufacturing company, Rose BioSolutions. Rose BioSolutions will provide end-to-end cell and gene therapy development and manufacturing, covering plasmid DNA, viral vectors, cell therapy production, and cellular starting materials.

RTI Surgical Acquires Collagen Solutions

October 7, 2024

Medical Devices

RTI Surgical, a Montagu-backed CDMO, has agreed to acquire Collagen Solutions, a global supplier of engineered medical-grade collagen and xenograft tissue, expanding RTI's soft-tissue biomaterials capabilities. The acquisition broadens RTI's access to high-growth therapeutic areas including cardiac, sports medicine and orthopedics, and plastic and reconstructive surgery; Collagen Solutions is headquartered in Eden Prairie, Minnesota with additional sites in the U.K. and New Zealand.

Vector Consumer Ltd Acquires Pura Collagen

April 15, 2024

Consumer Products

Liverpool-based health brand builder Vector Consumer Ltd has acquired premium collagen start-up Pura Collagen, adding the science-backed ingestible beauty brand to its portfolio that includes SOLV and the Liverpool FC sports and wellness range. Pura co-founders Jennifer Mo and Rob Knowles will join Vector’s senior leadership team to lead strategy, supply chain and logistics as Vector aims to expand its presence and become the authoritative voice in collagen.

SARIA Acquires Devro for £540 Million

November 27, 2022

Food & Beverage

SARIA SE & Co. KG has agreed to acquire Scotland-based collagen casing maker Devro for £540 million. The purchase will combine SARIA’s existing casing activities with Devro’s global manufacturing footprint to broaden product offerings, increase scale and accelerate long-term sustainable growth.

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.

Linden Capital Partners Acquires Collagen Matrix, Inc.

August 1, 2019

Medical Devices

Linden Capital Partners, a Chicago-based healthcare private equity firm, has acquired Collagen Matrix, Inc., a New Jersey-based developer and manufacturer of collagen-based medical products used in tissue and bone repair across orthopedic, sports medicine, dental, and neurosurgery markets. The transaction (financing provided by Golub Capital and Northwestern Mutual) supports Linden's focus on medical products, contract/private-label manufacturing and expansion in dental and orthopedic end markets; Metalmark Capital was the prior owner.