REPLIGEN CORP (RGEN) Institutional Ownership and Insiders Activity

REPLIGEN CORP (RGEN) is widely held by institutional investors, with 490 firms reporting positions valued at approximately $8.93B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $734.72M in RGEN holdings in its latest filing.

Recent insider activity includes 12 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.