RGEN

Repligen Corp

A maker of tools and consumables for biologic drug manufacturing, Repligen supplies cell-retention filters, pre-packed columns, purification resins, and growth factors used by drugmakers worldwide. Founded in 1981 in Cambridge, Massachusetts, by two molecular biology professors, it focused entirely on bioprocessing starting in 2012. Its name blends "replication" and "genetics," a nod to its roots in recombinant protein science.

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2026Q2

2 buys

Maverick CapitalADD

+465.7K shares(+30.7%)

Maverick CapitalADD

+465.7K shares(+30.7%)

Weitz Investment ManagementADD

+15.3K shares(+60.0%)

Weitz Investment ManagementADD

+15.3K shares(+60.0%)

2026Q1

2 buys1 sell

Bridgewater Associates LPEXIT

-7.9K shares

Bridgewater Associates LPEXIT

-7.9K shares

Maverick CapitalNEW

+1.52M shares

Maverick CapitalNEW

+1.52M shares

Weitz Investment ManagementNEW

+25.5K shares

Weitz Investment ManagementNEW

+25.5K shares

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