AMGN AmgenS&P 500 member / Health Care
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Amgen (AMGN) at a glance
Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
Amgen (AMGN) Stock Price HistoryAt an all-time high
Amgen closed at $438.94 on Oct 20, 2026, +13.8% over 1 month, +44.7% over 1 year.
If you had invested $1,000 1 month ago, it would be worth $1,116 today (+11.6%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −0.7%, while this stock moved +11.6%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Oct 20 (Tue) | $438.94 | +14.00 | +3.29% |
| Oct 19 (Mon) | $424.94 | −7.55 | −1.75% |
| Oct 16 (Fri) | $432.49 | −1.54 | −0.35% |
| Oct 15 (Thu) | $434.03 | +7.92 | +1.86% |
| Oct 14 (Wed) | $426.11 | +13.27 | +3.21% |
| Oct 13 (Tue) | $412.84 | −4.73 | −1.13% |
| Oct 12 (Mon) | $417.57 | +2.70 | +0.65% |
| Oct 9 (Fri) | $414.87 | +7.43 | +1.82% |
| Oct 8 (Thu) | $407.44 | −5.64 | −1.37% |
| Oct 7 (Wed) | $413.08 | +10.48 | +2.60% |
If you had invested $1,000 3 months ago, it would be worth $1,205 today (+20.5%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +3.6%, while this stock moved +20.5%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Oct 20 (Tue) | $438.94 | +14.00 | +3.29% |
| Oct 19 (Mon) | $424.94 | −7.55 | −1.75% |
| Oct 16 (Fri) | $432.49 | −1.54 | −0.35% |
| Oct 15 (Thu) | $434.03 | +7.92 | +1.86% |
| Oct 14 (Wed) | $426.11 | +13.27 | +3.21% |
| Oct 13 (Tue) | $412.84 | −4.73 | −1.13% |
| Oct 12 (Mon) | $417.57 | +2.70 | +0.65% |
| Oct 9 (Fri) | $414.87 | +7.43 | +1.82% |
| Oct 8 (Thu) | $407.44 | −5.64 | −1.37% |
| Oct 7 (Wed) | $413.08 | +10.48 | +2.60% |
If you had invested $1,000 6 months ago, it would be worth $1,254 today (+25.4%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +8.5%, while this stock moved +25.4%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Oct 2026 | $438.94 | +4.1% |
| Sep 2026 | $421.51 | −1.9% |
| Aug 2026 | $429.88 | +11.6% |
| Jul 2026 | $385.16 | +6.4% |
| Jun 2026 | $362.12 | +7.5% |
| May 2026 | $336.79 | −2.7% |
| Apr 2026 | $346.25 | −1.6% |
If you had invested $1,000 1 year ago, it would be worth $1,447 today (+44.7%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +14.5%, while this stock moved +44.7%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Oct 2026 | $438.94 | +4.1% |
| Sep 2026 | $421.51 | −1.9% |
| Aug 2026 | $429.88 | +11.6% |
| Jul 2026 | $385.16 | +6.4% |
| Jun 2026 | $362.12 | +7.5% |
| May 2026 | $336.79 | −2.7% |
| Apr 2026 | $346.25 | −1.6% |
| Mar 2026 | $351.85 | −9.4% |
| Feb 2026 | $388.16 | +13.5% |
| Jan 2026 | $341.88 | +4.5% |
| Dec 2025 | $327.31 | −5.3% |
| Nov 2025 | $345.46 | +15.8% |
| Oct 2025 | $298.43 | ― |
If you had invested $1,000 3 years ago, it would be worth $1,678 today (+67.8%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +87.3%, while this stock moved +67.8%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $438.94 | +34.1% |
| 2025 | $327.31 | ― |
If you had invested $1,000 5 years ago, it would be worth $2,121 today (+112.1%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +67.5%, while this stock moved +112.1%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $438.94 | +34.1% |
| 2025 | $327.31 | ― |
If you had invested $1,000 in Dec 1984, it would be worth $3,816,870 today (+381,587.0%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +4,156.9%, while this stock moved +381,587.0%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $438.94 | +13.1% |
| 2025 | $388.16 | +26.0% |
| 2024 | $308.06 | +12.5% |
| 2023 | $273.83 | +18.2% |
| 2022 | $231.66 | +2.3% |
| 2021 | $226.48 | +0.7% |
| 2020 | $224.92 | +12.6% |
| 2019 | $199.73 | +5.1% |
| 2018 | $190.08 | +3.4% |
| 2017 | $183.77 | +4.1% |
| 2016 | $176.53 | +24.1% |
| 2015 | $142.28 | −9.8% |
| 2014 | $157.72 | +27.2% |
| 2013 | $124.02 | +35.5% |
| 2012 | $91.55 | +34.6% |
| 2011 | $68.01 | +32.5% |
| 2010 | $51.33 | −9.3% |
| 2009 | $56.61 | +15.7% |
| 2008 | $48.93 | +7.5% |
| 2007 | $45.52 | −29.2% |
| 2006 | $64.26 | −14.9% |
| 2005 | $75.48 | +22.5% |
| 2004 | $61.61 | −3.0% |
| 2003 | $63.53 | +16.3% |
| 2002 | $54.64 | −5.8% |
| 2001 | $57.98 | −19.5% |
| 2000 | $72.06 | +5.7% |
| 1999 | $68.19 | +118.4% |
| 1998 | $31.22 | +135.1% |
| 1997 | $13.28 | −13.1% |
| 1996 | $15.28 | +2.3% |
| 1995 | $14.94 | +73.2% |
| 1994 | $8.63 | +65.3% |
| 1993 | $5.22 | +15.2% |
| 1992 | $4.53 | −44.4% |
| 1991 | $8.16 | +114.5% |
| 1990 | $3.80 | +217.4% |
| 1989 | $1.20 | +52.4% |
| 1988 | $0.79 | +13.4% |
| 1987 | $0.69 | −11.3% |
| 1986 | $0.78 | +149.5% |
| 1985 | $0.31 | +172.2% |
| 1984 | $0.12 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Dec 1984). Please check the latest prices before trading.
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