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

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Repligen Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Olivier LoeillotCEO2026-09-215,426$141.79
$769.35kBuy
Olivier LoeillotCEO2026-09-215,426$180.00
$976.68kSell
Olivier LoeillotCEO2026-09-043,035$165.90
$503.51kSell
Olivier LoeillotCEO2026-09-032,842$169.61
$482.03kSell
Violetta HughesCAO2026-09-01277$170.02
$47.10kSell
Olivier LoeillotCEO2026-08-205,426$180.00
$976.68kSell
Olivier LoeillotCEO2026-08-205,426$141.79
$769.35kBuy
Jason K. GarlandCFO2026-07-16530$150.00
$79.50kSell
Jason K. GarlandCFO2026-06-25733$145.00
$106.29kSell
Glenn P. MuirDirector2026-05-072,434$38.76
$94.34kBuy

1 of 5

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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 P19.60%11,060,200$2.07BInsider
Roy T. Eddleman13.62%7,685,810$1.44BInsider
Paul Schimmel1.18%665,106$124.21MInsider
Alexander Rich0.77%436,500$81.52MInsider
Walter C. Herlihy0.47%262,430$49.01MInsider
James R. Rusche0.26%146,816$27.42MInsider
Daniel P. Witt0.21%117,833$22.01MInsider
Karen A. Dawes0.16%92,816$17.33MInsider
Anthony Hunt0.16%89,062$16.63MInsider
Glenn L. Md Cooper0.11%59,709$11.15MInsider

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RGEN vs Medical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
RGEN0.12%37.34%Net SellingNet Selling
COO0.11%1.32%Net BuyingNet Buying
BAX0.11%16.12%Net SellingNet Selling
ATR0.10%4.04%Net SellingNet Selling
STVN0.01%83.89%Net SellingNet Selling
View Top Medical Stocks

Repligen Stock Ownership FAQ

Who owns Repligen?

Repligen (NASDAQ: RGEN) is owned by 0.12% institutional shareholders, 37.34% Repligen insiders, and 62.54% retail investors. Bvf Partners L P is the largest individual Repligen shareholder, owning 11.06M shares representing 19.60% of the company. Bvf Partners L P's Repligen shares are currently valued at $2.04B.

If you're new to stock investing, here's how to buy Repligen stock.
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