About This Deal

REPLIGEN CORP acquired Polymem S.A. for ~$47 million, all cash, a transaction completed in July 2021, structured as all cash.

Polymem S.A. operates in Filtration, is based in Toulouse, France. Acquisition of Polymem S.A., a French manufacturer of hollow-fiber membranes, membrane modules and systems for industrial and bioprocessing applications. Polymem expanded Repligen's HF membrane and module production capacity, added core R&D and engineering expertise in HF technology, and established a Europe-based HF manufacturing center of excellence complementing the Spectrum HF / KrosFlo product line.

Per Repligen's 10-K, the acquisition substantially increased membrane and module manufacturing capacity and established a world-class center of excellence in Europe to address accelerating global demand.

Captive HF membrane manufacturing capacity and European center of excellence. Complements Spectrum HF / KrosFlo product line; vertical integration of membrane supply. Repligen Filtration franchise (Europe HF center of excellence)

Deal Terms

Acquirer
REPLIGEN CORP
Target
Polymem S.A.
Value
~$47 million, all cash
Date
July 2021
Type
Full acquisition
Status
Ready

Transaction Details

Target HQ
Toulouse, France
Segment
Filtration
Structure
all cash
Announced
June 22, 2021
Closed
July 1, 2021
Synergies
Complements Spectrum HF / KrosFlo product line; vertical integration of membrane supply.

In Their Words

With our acquisition of Polymem S.A. on July 1, 2021, we further expanded our HF membrane and module production capabilities and added core R&D, engineering and production expertise in HF technology. The acquisition of Polymem accelerated our HF manufacturing buildout and added a Europe-based HF manufacturing center of excellence.Repligen FY22 10-K, Item 1 Business / Acquisitions note

Advisors

Advisory firms were not disclosed for this transaction.

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Sources: Press release ↗ · Last updated June 25, 2026

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