Arcline Investment Management Acquires Majority Interest in Akron Biotechnology

Arcline Investment Management Acquires Altronic, LLC from HOERBIGER Group

December 9, 2025

Manufacturing

Arcline Investment Management, a growth-oriented private equity firm, has acquired Altronic, LLC from the HOERBIGER Group. Altronic, a Girard, Ohio-based maker of advanced ignition, control and instrumentation systems for critical infrastructure and OEMs, will be positioned to pursue growth with Arcline's capital and portfolio synergies.

Arcline Investment Management Acquires Polypeptide Therapeutic Solutions (PTS)

April 27, 2021

Biotechnology

Arcline Investment Management, a growth-oriented private equity firm, has acquired Polypeptide Therapeutic Solutions, S.L. (PTS) from Columbus Venture Partners. PTS is a Valencia-based GMP CDMO specializing in polyamino-acid (PAA) nanoparticle encapsulation and related drug-delivery services; Arcline plans to scale GMP production and expand the company's technology portfolio to support mRNA, gene/cell therapies, biologics and vaccines.

Arcline Investment Management Makes Strategic Investment in American Casting Company

December 2, 2025

Aerospace & Defense

Arcline Investment Management, a growth-oriented private equity firm, completed a strategic investment in American Casting Company (ACC), a Hollister, California-based provider of engineered investment castings for aerospace, defense, medical and energy applications. ACC will continue to be led by CEO Chris St. John; Arcline plans to support expansion of the company’s capabilities and capacity to meet rising demand from OEMs reshoring mission‑critical components. Janes Capital Partners served as financial advisor to the company.

Alcon Acquires Majority Interest in Aurion Biotech, Inc.

March 26, 2025

Biotechnology

Alcon has acquired a majority interest in clinical-stage Aurion Biotech to accelerate development and commercialization of Aurion's allogeneic corneal cell therapy AURN001. Aurion will remain a separate company while leveraging Alcon's global R&D, regulatory and commercial capabilities to advance AURN001 into U.S. Phase 3 development in the second half of 2025.

Arcline Investment Management Acquires SYNEO

October 28, 2020

Medical Devices

Arcline Investment Management, a growth-oriented private equity firm, acquired a controlling stake in SYNEO from Rockwood Equity Partners. SYNEO is a vertically-integrated machine, tooling and services company serving the interventional medical device and specialty press-fit PCB markets, with manufacturing facilities in West Palm Beach, Florida and Angleton, Texas and forward-deployed sales/service offices in Europe and Asia.

Arcline Investment Management Invests in Actera Ingredients

August 12, 2019

Manufacturing

Arcline Investment Management, a growth-oriented private equity firm, made a strategic growth investment in Actera Ingredients to establish a bio-actives personal care platform. The capital will support Actera’s expansion of its actives portfolio, capabilities and team to serve personal care and beauty brand customers.