Repligen Corporation (RGEN) Stock Price History
Historical prices from 1986 to 2026
- 1M
- -0.8%
- 3M
- +8.8%
- YTD
- +5.6%
- 1Y
- +19.7%
- 3Y
- +6.4%
- 5Y
- -8.7%
Loading 10-year price history...
RGEN Historical Performance
RGEN Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- +13.0%
- 2003 annual price return
- +47.1%
- 2004 annual price return
- -30.8%
- 2005 annual price return
- +37.9%
- 2006 annual price return
- -27.9%
- 2007 annual price return
- +133.9%
- 2008 annual price return
- -43.2%
- 2009 annual price return
- +4.8%
- 2010 annual price return
- +16.1%
- 2011 annual price return
- -23.2%
- 2012 annual price return
- +79.4%
- 2013 annual price return
- +105.7%
- 2014 annual price return
- +56.8%
- 2015 annual price return
- +40.7%
- 2016 annual price return
- +9.7%
- 2017 annual price return
- +16.5%
- 2018 annual price return
- +42.3%
- 2019 annual price return
- +79.0%
- 2020 annual price return
- +104.3%
- 2021 annual price return
- +38.9%
- 2022 annual price return
- -34.4%
- 2023 annual price return
- +11.0%
- 2024 annual price return
- -19.7%
- 2025 annual price return
- +14.5%
- 2026 annual price return
- +5.8%
RGEN Stock Price Trajectory (1986–2026)
As of November 8, 2026, Repligen Corporation (RGEN) trades at $173.49, representing a +19.7% return over the past year. The stock has delivered a -36.5% total return over five years (-8.7% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $327.32 on September 23, 2021. From this peak, RGEN has corrected -47.0%, currently trading 20% above its 200-day moving average, indicating continued institutional support.
When compared to Healthcare sector peers FTRE (+99.3% 1Y), NTRA (+56.5% 1Y), and AZTA (+32.5% 1Y), RGEN has underperformed the peer group average. Compare RGEN vs FTRE →
RGEN Historical Price Data · from 1986
Rows 1–50 of 10,211| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-11-06 | 169.35 | 175.00 | 168.05 | 173.49 | 1.07M | +2.97% |
| 2026-11-05 | 175.60 | 176.66 | 168.03 | 168.48 | 1.33M | -5.45% |
| 2026-11-04 | 183.40 | 188.50 | 174.39 | 178.20 | 1.06M | -0.04% |
| 2026-11-03 | 175.54 | 181.56 | 173.00 | 178.27 | 1.02M | +3.08% |
| 2026-11-02 | 178.12 | 178.12 | 172.51 | 172.95 | 1.58M | -2.26% |
| 2026-10-30 | 177.44 | 180.45 | 171.23 | 176.94 | 4.47M | -6.20% |
| 2026-10-29 | 188.42 | 191.05 | 185.28 | 188.64 | 890K | +2.14% |
| 2026-10-28 | 173.54 | 185.88 | 173.54 | 184.69 | 1.45M | +5.06% |
| 2026-10-27 | 168.34 | 180.00 | 164.88 | 175.80 | 2.11M | -2.43% |
| 2026-10-26 | 176.93 | 181.46 | 175.80 | 180.17 | 1.18M | +1.83% |
| 2026-10-23 | 178.30 | 179.54 | 174.90 | 176.93 | 1.07M | -1.00% |
| 2026-10-22 | 179.45 | 185.03 | 175.96 | 178.71 | 1.27M | -0.72% |
| 2026-10-21 | 174.37 | 183.49 | 172.00 | 180.01 | 904K | +0.63% |
| 2026-10-20 | 176.50 | 180.67 | 174.37 | 178.88 | 878K | +1.39% |
| 2026-10-19 | 177.82 | 178.66 | 174.26 | 176.43 | 769K | +0.58% |
| 2026-10-16 | 183.81 | 186.00 | 172.39 | 175.42 | 1.21M | -4.75% |
| 2026-10-15 | 178.28 | 185.99 | 177.49 | 184.17 | 1.04M | +3.35% |
| 2026-10-14 | 175.42 | 181.07 | 175.39 | 178.20 | 1.22M | +1.58% |
| 2026-10-13 | 172.51 | 177.96 | 169.73 | 175.42 | 1.26M | +1.69% |
| 2026-10-12 | 171.73 | 173.82 | 169.90 | 172.51 | 900K | -0.79% |
| 2026-10-09 | 164.21 | 174.82 | 164.21 | 173.88 | 1.34M | +6.13% |
| 2026-10-08 | 164.00 | 164.65 | 157.44 | 163.84 | 1.23M | -2.02% |
| 2026-10-07 | 174.75 | 175.04 | 165.99 | 167.22 | 2.63M | -4.37% |
| 2026-10-06 | 191.90 | 194.36 | 174.36 | 174.86 | 1.70M | -7.73% |
| 2026-10-05 | 178.75 | 191.26 | 178.61 | 189.50 | 1.61M | +4.29% |
| 2026-10-02 | 179.32 | 186.52 | 178.00 | 181.70 | 1.46M | +2.52% |
| 2026-10-01 | 194.00 | 194.00 | 177.12 | 177.23 | 1.95M | -7.80% |
| 2026-09-30 | 193.09 | 195.61 | 190.97 | 192.23 | 730K | -1.20% |
| 2026-09-29 | 196.00 | 196.65 | 190.98 | 194.57 | 1.14M | +0.25% |
| 2026-09-28 | 187.25 | 198.87 | 187.11 | 194.09 | 1.57M | +2.32% |
| 2026-09-25 | 189.92 | 191.51 | 186.91 | 189.68 | 1.50M | -0.51% |
| 2026-09-24 | 184.10 | 192.49 | 183.75 | 190.65 | 1.60M | +3.32% |
| 2026-09-23 | 186.38 | 188.95 | 181.71 | 184.53 | 935K | -1.19% |
| 2026-09-22 | 180.72 | 188.20 | 180.00 | 186.75 | 1.16M | +3.34% |
| 2026-09-21 | 176.89 | 182.25 | 176.22 | 180.71 | 858K | +2.16% |
| 2026-09-18 | 179.10 | 179.10 | 176.29 | 176.89 | 1.36M | -0.73% |
| 2026-09-17 | 174.93 | 178.65 | 173.24 | 178.19 | 1.09M | +3.05% |
| 2026-09-16 | 174.90 | 178.55 | 171.66 | 172.91 | 827K | -1.04% |
| 2026-09-15 | 168.27 | 175.86 | 168.27 | 174.73 | 891K | +4.01% |
| 2026-09-14 | 166.74 | 168.42 | 162.10 | 168.00 | 514K | +1.71% |
| 2026-09-11 | 166.72 | 168.06 | 164.02 | 165.18 | 945K | +0.30% |
| 2026-09-10 | 162.68 | 165.04 | 161.14 | 164.68 | 956K | -0.22% |
| 2026-09-09 | 168.53 | 169.52 | 162.46 | 165.05 | 1.08M | -2.06% |
| 2026-09-08 | 168.05 | 172.95 | 166.32 | 168.53 | 779K | +0.55% |
| 2026-09-04 | 167.26 | 169.51 | 165.00 | 167.60 | 806K | -1.19% |
| 2026-09-03 | 175.53 | 176.13 | 167.54 | 169.61 | 1.33M | -1.93% |
| 2026-09-02 | 171.77 | 176.87 | 168.58 | 172.94 | 959K | +1.72% |
| 2026-09-01 | 180.70 | 182.57 | 167.42 | 170.02 | 1.41M | -6.06% |
| 2026-08-31 | 174.17 | 181.07 | 174.01 | 180.98 | 791K | +2.67% |
| 2026-08-28 | 179.76 | 181.35 | 175.70 | 176.27 | 819K | -3.16% |
RGEN Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
Peer Comparison
Compare growth, multiples, and margins vs sector.
RGEN — Frequently Asked Questions
Quick answers to the most common questions about buying RGEN stock.
How has RGEN stock performed recently?
RGEN returned +19.7% over the past year, beating its 5-year annualized CAGR of -8.7%. The stock trades above its 200-day moving average, confirming the uptrend.
What is RGEN's all-time high price?
Repligen Corporation reached $327.32 on 2021-09-23. The 52-week high is $198.87. Current 1-year return of +19.7% places the stock closer to historical peaks.
Where can I download RGEN historical price data?
This page provides RGEN daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 1986-2026, downloadable in CSV format.