Repligen Corporation (RGEN) Holders & Ownership

Repligen Corporation (RGEN) ownership: insiders 1% · institutions 122% · index and ETF funds 13% (13F 2026-06-30). Insider activity, 90 days: Routine (4 sales, 0 open-market buys). 6 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.

Top Institutional Holders (13F, rolled up by parent)

Source: SEC Form 13F
HolderSharesMarket Value% OutstandingReported
BlackRock5384938.00$734.72M9.5%2026-06-30
Vanguard5149568.00$702.61M9.1%2026-06-30
FMR (Fidelity)3326690.00$453.89M5.9%2026-06-30
United Capital Financial Advisors, LLC2790650.00$380.76M4.9%2026-06-30
Maverick Capital Ltd1984554.00$270.77M3.5%2026-06-30
State Street1800530.00$245.68M3.2%2026-06-30
Price T Rowe Associates Inc1752274.00$239.08M3.1%2026-06-30
MFS Investment Management1617021.00$220.61M2.9%2026-06-30

Insider Trading Activity (Form 4)

Source: SEC Form 4
InsiderTransactionValueDate
Sellnull2026-09-03
Sellnull2026-09-03
Sellnull2026-08-20
Sellnull2026-08-20
Sellnull2026-08-20
Sellnull2026-07-16
Sellnull2026-06-25
Sellnull2026-05-14

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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.