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RGEN
Repligen Corp
stockNASDAQ

At CloseOct 21, 2026 3:59:58 PM EDT
179.99USD+0.623%(+1.11)903,856
Pre-marketOct 21, 2026 8:49:30 AM EDT
174.00USD-2.728%(-4.88)
173.51Bid191.26Ask17.75Spread
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Healthcare
Medical Instruments & Supplies
HQ
Waltham, MA, USA
Previous Close
$178.88
Beta
1.19
52-Week High
$198.87 2026-09-28
52-Week Low
$100.99 2026-05-14
SMA 50
$176.35
SMA 200
$144.26
Avg. Vol 10D
1.25M
Avg. Vol 30D
1.21M
Avg. Vol 90D
1.15M
Relative Vol
0.59
53.47M
0.4100%
612
Oct 27, 2026 (6d)
RGEN Profile

repligen corporation is a life sciences company focused on the development, production and commercialization of products used in the process of manufacturing biological drugs. our bioprocessing products are sold to major life sciences and biopharmaceutical companies worldwide. we are a leading manufacturer of protein a, a critical reagent used to manufacture monoclonal antibody-based therapeutics. we also supply several growth factor products used to increase cell culture productivity in biomanufacturing. in the burgeoning area of disposable biomanufacturing technologies, we have developed and market a series of opus™ (open platform user specified) single-use chromatography columns used in the biologics purification process. repligen's corporate headquarters are located in waltham, ma, usa; we have an additional manufacturing facility in lund, sweden.

RGEN Performance
PeriodPriceDateChangeBeta
1W178.202026-10-14+1.02%4.342
1M180.712026-09-21-0.38%1.413
3M136.992026-07-21+31.41%1.258
6M132.702026-04-21+35.66%0.571
1Y156.752025-10-21+14.85%1.193
2Y149.212024-10-21+20.65%—
5Y270.762021-10-21-33.51%1.412
RGEN Stock Summary

Repligen Corp (NASDAQ:RGEN) stock price today is $180.02, and today's volume is 718,966. RGEN is up 0.637% today. The 30 day average volume is 1.21M. RGEN market cap is $11.43B with 63.49M shares outstanding.