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REPLIGEN CORP closed at $173.49 on Nov 6, 2026, −0.8% over 1 month, +21.5% over 1 year.
If you had invested $1,000 1 month ago, it would be worth $992 today (−0.8%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −5.7%, while this stock moved −0.8%.
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $173.49 | +5.01 | +2.97% |
| Nov 5 (Thu) | $168.48 | −9.72 | −5.45% |
| Nov 4 (Wed) | $178.20 | −0.07 | −0.04% |
| Nov 3 (Tue) | $178.27 | +5.32 | +3.08% |
| Nov 2 (Mon) | $172.95 | −3.99 | −2.26% |
| Oct 30 (Fri) | $176.94 | −11.70 | −6.20% |
| Oct 29 (Thu) | $188.64 | +3.95 | +2.14% |
| Oct 28 (Wed) | $184.69 | +8.89 | +5.06% |
| Oct 27 (Tue) | $175.80 | −4.37 | −2.43% |
| Oct 26 (Mon) | $180.17 | +3.24 | +1.83% |
If you had invested $1,000 3 months ago, it would be worth $1,088 today (+8.8%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −4.3%, while this stock moved +8.8%.
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $173.49 | +5.01 | +2.97% |
| Nov 5 (Thu) | $168.48 | −9.72 | −5.45% |
| Nov 4 (Wed) | $178.20 | −0.07 | −0.04% |
| Nov 3 (Tue) | $178.27 | +5.32 | +3.08% |
| Nov 2 (Mon) | $172.95 | −3.99 | −2.26% |
| Oct 30 (Fri) | $176.94 | −11.70 | −6.20% |
| Oct 29 (Thu) | $188.64 | +3.95 | +2.14% |
| Oct 28 (Wed) | $184.69 | +8.89 | +5.06% |
| Oct 27 (Tue) | $175.80 | −4.37 | −2.43% |
| Oct 26 (Mon) | $180.17 | +3.24 | +1.83% |
If you had invested $1,000 6 months ago, it would be worth $1,380 today (+38.0%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +0.2%, while this stock moved +38.0%.
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $173.49 | −1.9% |
| Oct 2026 | $176.94 | −8.0% |
| Sep 2026 | $192.23 | +6.2% |
| Aug 2026 | $180.98 | +28.3% |
| Jul 2026 | $141.01 | +3.3% |
| Jun 2026 | $136.44 | +10.1% |
| May 2026 | $123.95 | +4.8% |
If you had invested $1,000 1 year ago, it would be worth $1,215 today (+21.5%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +9.6%, while this stock moved +21.5%.
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $173.49 | −1.9% |
| Oct 2026 | $176.94 | −8.0% |
| Sep 2026 | $192.23 | +6.2% |
| Aug 2026 | $180.98 | +28.3% |
| Jul 2026 | $141.01 | +3.3% |
| Jun 2026 | $136.44 | +10.1% |
| May 2026 | $123.95 | +4.8% |
| Apr 2026 | $118.31 | +0.4% |
| Mar 2026 | $117.82 | −8.5% |
| Feb 2026 | $128.73 | −13.8% |
| Jan 2026 | $149.37 | −8.8% |
| Dec 2025 | $163.86 | −4.2% |
| Nov 2025 | $171.02 | ― |
If you had invested $1,000 3 years ago, it would be worth $1,176 today (+17.6%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +67.1%, while this stock moved +17.6%.
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $173.49 | +5.9% |
| 2025 | $163.86 | ― |
If you had invested $1,000 5 years ago, it would be worth $671 today (−32.9%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +57.5%, while this stock moved −32.9%.
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $173.49 | +5.9% |
| 2025 | $163.86 | ― |
If you had invested $1,000 in Apr 1986, it would be worth $15,953 today (+1,495.3%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +2,882.4%, while this stock moved +1,495.3%.
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $173.49 | +5.9% |
| 2025 | $163.86 | +13.8% |
| 2024 | $143.94 | −19.9% |
| 2023 | $179.80 | +6.2% |
| 2022 | $169.31 | −36.1% |
| 2021 | $264.84 | +38.2% |
| 2020 | $191.63 | +107.2% |
| 2019 | $92.50 | +75.4% |
| 2018 | $52.74 | +45.4% |
| 2017 | $36.28 | +17.7% |
| 2016 | $30.82 | +8.9% |
| 2015 | $28.29 | +42.9% |
| 2014 | $19.80 | +45.2% |
| 2013 | $13.64 | +117.2% |
| 2012 | $6.28 | +81.0% |
| 2011 | $3.47 | −26.0% |
| 2010 | $4.69 | +14.1% |
| 2009 | $4.11 | +8.7% |
| 2008 | $3.78 | −42.3% |
| 2007 | $6.55 | +133.1% |
| 2006 | $2.81 | −29.8% |
| 2005 | $4.00 | +38.9% |
| 2004 | $2.88 | −34.1% |
| 2003 | $4.37 | +43.8% |
| 2002 | $3.04 | +25.1% |
| 2001 | $2.43 | −28.0% |
| 2000 | $3.38 | +8.0% |
| 1999 | $3.13 | +144.0% |
| 1998 | $1.28 | +64.0% |
| 1997 | $0.78 | −34.3% |
| 1996 | $1.19 | +5.6% |
| 1995 | $1.13 | −35.7% |
| 1994 | $1.75 | −74.5% |
| 1993 | $6.88 | −27.6% |
| 1992 | $9.50 | −38.7% |
| 1991 | $15.50 | +24.0% |
| 1990 | $12.50 | +25.0% |
| 1989 | $10.00 | +42.9% |
| 1988 | $7.00 | −12.5% |
| 1987 | $8.00 | −8.6% |
| 1986 | $8.75 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Apr 1986). Please check the latest prices before trading.
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