NASDAQ: RGEN
Repligen Corp Stock Ownership - Who owns Repligen?

Insider buying vs selling

Have Repligen Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Olivier LoeillotCEO2026-10-054,202$190.00
$798.38kSell
Olivier LoeillotCEO2026-10-051,333$178.75
$238.27kSell
Olivier LoeillotCEO2026-10-054,202$154.96
$651.14kBuy
Olivier LoeillotCEO2026-10-021,248$181.70
$226.76kSell
Jason K. GarlandCFO2026-09-25421$189.68
$79.86kSell
Olivier LoeillotCEO2026-09-244,542$155.38
$705.74kBuy
Olivier LoeillotCEO2026-09-244,542$190.00
$862.98kSell
Olivier LoeillotCEO2026-09-248,404$154.96
$1.30MBuy
Olivier LoeillotCEO2026-09-248,404$190.00
$1.60MSell
Olivier LoeillotCEO2026-09-215,426$141.79
$769.35kBuy

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Net Insider Buy/Sell (L12M) Ownership

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RGEN Shareholders

What type of owners hold Repligen Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Bvf Partners L P17.30%11,060,200$1.91BInsider
Roy T. Eddleman12.02%7,685,810$1.33BInsider
Paul Schimmel1.04%665,106$114.81MInsider
Alexander Rich0.68%436,500$75.35MInsider
Walter C. Herlihy0.41%262,430$45.30MInsider
James R. Rusche0.23%146,816$25.34MInsider
Daniel P. Witt0.18%117,833$20.34MInsider
Karen A. Dawes0.15%92,816$16.02MInsider
Anthony Hunt0.14%89,062$15.37MInsider
Glenn L. Md Cooper0.09%59,709$10.31MInsider

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RGEN vs Medical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
RGEN0.10%32.96%Net SellingNet Selling
COO0.11%1.32%Net BuyingNet Buying
ATR0.10%4.05%Net SellingNet Selling
BAX0.11%16.11%Net SellingNet Selling
BLCO0.01%87.94%Net SellingNet Buying

Repligen Stock Ownership FAQ

Who owns Repligen?

Repligen (NASDAQ: RGEN) is owned by 0.10% institutional shareholders, 32.96% Repligen insiders, and 66.93% retail investors. Bvf Partners L P is the largest individual Repligen shareholder, owning 11.06M shares representing 17.30% of the company. Bvf Partners L P's Repligen shares are currently valued at $1.84B.

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