Repligen

Repligen Corporation
Company typePublic
NasdaqRGEN
S&P 400 Component
IndustryBiotechnology

Pharmaceutical

Laboratory equipment
Founded1981 (1981)
FoundersAlexander Rich
Paul Schimmel
Headquarters
Waltham, Massachusetts
,
United States
Key people
Olivier Loeillot (president and CEO [as of 2024])
ProductsMaterials used in the manufacture of biological drugs
RevenueUS$634 million (2024)
Number of employees
Over 1,900 globally
Websiterepligen.com

Repligen Corporation is a global life sciences company devoted to the development and commercialization of innovative bioprocessing technologies and systems that enable efficiencies in the process of manufacturing biological drugs.2025 The company is based in Waltham, Massachusetts,2014 and was incorporated in Delaware in 1981. A public company, Repligen is listed on the NASDAQ exchange under the symbol RGEN. As of 2025, Repligen employs over 1,900 employees globally and serves primarily biopharmaceutical drug developers and contract development and manufacturing organizations (CDMOs) worldwide.