Amgen (AMGN)
S&P 500 · Nasdaq-100 · Top 100 by market cap · Health Care · data since 1983-06-17 · last close 2026-09-09
Amgen (AMGN) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 4.5 | 14.3 | -9.3 | -1.6 | -2.0 | 7.5 | 5.7 | 12.3 | -9.0 | · | · | · |
| 2025 | 9.5 | 8.8 | 1.1 | -6.6 | -0.1 | -3.1 | 5.7 | -1.7 | -1.9 | 5.8 | 16.6 | -5.3 |
| 2024 | 9.1 | -12.2 | 3.8 | -3.6 | 12.4 | 2.2 | 6.4 | 1.1 | -3.5 | -0.6 | -10.9 | -7.9 |
| 2023 | -3.9 | -7.4 | 4.4 | -0.8 | -7.1 | 0.6 | 5.5 | 10.4 | 4.8 | -4.9 | 6.3 | 6.8 |
| 2022 | 1.0 | 0.6 | 6.8 | -3.6 | 11.0 | -5.2 | 1.7 | -2.1 | -6.2 | 19.9 | 6.7 | -8.3 |
| 2021 | 5.0 | -6.2 | 10.6 | -3.7 | -0.0 | 2.4 | -0.9 | -5.9 | -5.7 | -2.7 | -3.1 | 13.1 |
| 2020 | -10.4 | -6.9 | 1.5 | 18.0 | -3.3 | 2.7 | 3.7 | 4.2 | 0.3 | -14.6 | 3.0 | 3.5 |
| 2019 | -3.9 | 2.4 | -0.1 | -5.6 | -6.2 | 10.6 | 1.3 | 12.6 | -7.2 | 10.2 | 10.8 | 2.7 |
| 2018 | 7.0 | -0.5 | -7.2 | 2.4 | 3.7 | 2.8 | 6.5 | 2.4 | 3.7 | -7.0 | 8.8 | -6.5 |
| 2017 | 7.2 | 13.4 | -7.1 | -0.5 | -4.3 | 10.9 | 1.3 | 2.6 | 4.9 | -6.0 | 0.9 | -1.0 |
| 2016 | -5.9 | -6.2 | 5.4 | 5.6 | 0.4 | -3.7 | 13.1 | -0.6 | -1.9 | -15.4 | 2.8 | 1.5 |
| 2015 | -4.4 | 4.1 | 1.4 | -1.2 | -0.6 | -1.8 | 15.0 | -13.7 | -8.9 | 14.4 | 2.4 | 0.8 |
| 2014 | 4.3 | 4.8 | -0.6 | -9.4 | 4.4 | 2.0 | 7.6 | 9.9 | 0.8 | 15.5 | 2.3 | -3.6 |
| 2013 | -0.9 | 7.7 | 12.0 | 1.7 | -3.1 | -1.9 | 9.8 | 1.0 | 2.7 | 3.8 | -1.4 | 0.0 |
| 2012 | 5.8 | 0.7 | -0.1 | 4.6 | -1.7 | 4.9 | 13.3 | 2.0 | 0.4 | 2.6 | 3.1 | -2.9 |
| 2011 | 0.3 | -6.8 | 4.1 | 6.4 | 6.5 | -3.6 | -6.3 | 1.8 | -0.8 | 4.2 | 1.6 | 10.9 |
| 2010 | 3.4 | -3.2 | 5.7 | -4.2 | -9.7 | 1.6 | 3.7 | -6.4 | 8.0 | 3.8 | -7.9 | 4.2 |
| 2009 | -5.0 | -10.8 | 1.2 | -2.1 | 3.0 | 6.0 | 17.7 | -4.1 | 0.8 | -11.0 | 5.1 | 0.4 |
| 2008 | 0.3 | -2.3 | -8.2 | 0.2 | 5.2 | 7.1 | 32.8 | 0.3 | -5.7 | 1.1 | -7.3 | 4.0 |
| 2007 | 3.0 | -8.7 | -13.0 | 14.8 | -12.0 | -2.0 | -2.8 | -6.8 | 12.9 | 2.7 | -4.9 | -15.9 |
| 2006 | -7.6 | 3.5 | -3.6 | -6.9 | -0.2 | -3.5 | 6.9 | -2.4 | 5.1 | 6.1 | -6.4 | -3.8 |
| 2005 | -3.0 | -1.0 | -5.5 | 0.0 | 7.5 | -3.4 | 31.9 | 0.2 | -0.3 | -5.1 | 7.0 | -2.6 |
| 2004 | 4.6 | -1.8 | -8.5 | -3.0 | -3.0 | -0.2 | 4.2 | 4.2 | -4.2 | -0.0 | 5.7 | 6.8 |
| 2003 | 5.4 | 7.2 | 5.3 | 6.5 | 5.6 | 1.9 | 5.3 | -5.0 | -2.1 | -4.3 | -6.7 | 7.2 |
| 2002 | -1.7 | 4.5 | 2.9 | -11.4 | -9.9 | -12.1 | 9.0 | -1.3 | -7.4 | 11.7 | 1.4 | 2.4 |
| 2001 | 10.0 | 2.5 | -16.5 | 1.6 | 8.6 | -8.6 | 3.4 | 2.5 | -8.6 | -3.3 | 16.9 | -15.0 |
| 2000 | 6.0 | 7.1 | -10.0 | -8.8 | 13.6 | 10.4 | -7.6 | 16.8 | -7.9 | -17.0 | 9.8 | 0.5 |
| 1999 | 22.2 | -2.3 | 19.9 | -17.9 | 3.0 | -3.8 | 26.3 | 8.2 | -2.0 | -2.1 | 14.3 | 31.8 |
| 1998 | -7.6 | 6.3 | 14.6 | -2.0 | 1.5 | 8.1 | 12.3 | -17.1 | 24.1 | 4.0 | -4.2 | 39.0 |
| 1997 | 3.7 | 8.4 | -8.6 | 5.4 | 13.6 | -13.1 | 1.2 | -15.7 | -3.3 | 2.7 | 3.8 | 5.9 |
| 1996 | 1.3 | -0.6 | -2.7 | -1.1 | 3.5 | -9.2 | 1.2 | 6.6 | 8.4 | -2.9 | -0.7 | -10.7 |
| 1995 | 7.8 | 8.4 | -2.4 | 7.9 | -0.3 | 10.9 | 5.8 | 12.5 | 4.2 | -3.8 | 3.4 | 19.6 |
| 1994 | -1.5 | -14.4 | -8.4 | 5.9 | 15.0 | -7.9 | 15.9 | 6.2 | 0.9 | 4.7 | 4.7 | 1.1 |
| 1993 | -12.2 | -41.5 | 4.1 | 6.0 | -11.3 | 2.8 | -4.1 | 5.7 | 4.4 | 18.1 | -0.8 | 9.4 |
| 1992 | -6.9 | -7.5 | -4.2 | -10.4 | 8.9 | -0.2 | 7.6 | -3.2 | -1.0 | 6.4 | 15.0 | -8.0 |
| 1991 | 18.5 | 23.7 | 43.8 | -3.4 | -3.5 | -3.6 | 25.6 | 7.9 | 3.8 | 8.6 | -6.7 | 35.3 |
| 1990 | -4.6 | 23.0 | 7.4 | 3.6 | 9.6 | 10.9 | 10.9 | 4.9 | -1.1 | 5.6 | 22.8 | 7.3 |
| 1989 | 11.8 | 0.0 | 8.6 | -2.4 | 0.3 | 7.8 | 0.6 | -10.3 | 7.7 | 36.9 | -2.6 | -12.5 |
| 1988 | 4.8 | 2.3 | -3.0 | -9.3 | -3.4 | -4.4 | 5.6 | 10.5 | 4.0 | -3.0 | -0.8 | 7.1 |
| 1987 | 18.8 | 43.5 | 2.7 | 2.9 | 2.2 | -5.9 | -22.3 | 8.0 | 1.9 | -18.4 | -20.2 | 45.9 |
| 1986 | 4.6 | 6.2 | 23.3 | 10.8 | 25.6 | -3.9 | -9.6 | -3.4 | -19.1 | 29.3 | 5.5 | -7.8 |
| 1985 | 40.0 | -21.4 | 0.0 | 11.4 | 26.5 | 3.2 | -9.4 | 5.2 | 4.9 | 31.3 | 6.0 | 21.4 |
| 1984 | 6.9 | -22.6 | 0.0 | -10.4 | 0.0 | 7.0 | -17.4 | 7.9 | -2.4 | -10.0 | -2.8 | 14.3 |
| 1983 | · | · | · | · | · | -21.2 | -11.5 | -27.2 | 1.5 | -23.5 | 5.8 | 5.5 |
| Avg | 3.4 | 0.5 | 1.7 | -0.3 | 2.6 | 0.0 | 5.3 | 0.9 | 0.0 | 2.2 | 2.4 | 4.6 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
AMGN seasonality — average by calendar month
Amgen has monthly history back to 1983. Its strongest month by median is July — positive in 34 of 44 years, median +5.5%, and higher in 8 of the last 9. April is the soft spot, down in 25 of 43 with a median of -1.1%. Across its full record it has closed 57% of months higher, swings ±10.1% in an average month and has fallen 78% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +3.4% | +0.5% | +1.7% | -0.3% | +2.6% | +0.1% | +5.3% | +0.9% | +0.2% | +2.2% | +2.4% | +4.6% |
| Win rate | 65%/43 | 51%/43 | 51%/43 | 42%/43 | 53%/43 | 50%/44 | 77%/44 | 61%/44 | 51%/43 | 53%/43 | 63%/43 | 63%/43 |
Win rate = share of positive months / sample size.
AMGN risk & extremes
AMGN drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
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Frequently asked questions
What was Amgen's best month?+
Amgen's strongest completed month on record is December 1987, at +45.88%.
What was Amgen's worst month?+
Its weakest completed month on record is February 1993, at -41.53%.
Is Amgen up this year?+
Amgen is up 21.28% year to date, measured from its last close before 1 January.
What is Amgen's 1-year return?+
+42.80% over the past twelve months, comparing the latest close with the most recent close on or before the same date a year earlier.
What is Amgen's biggest drawdown?+
The deepest peak-to-trough fall on record is 78.0%, measured on month-end closes since 1983.
Which calendar month is historically best for Amgen?+
July has the highest average return across every completed July since 1983. An average is not a forecast.
About Amgen
Amgen is an S&P 500 company, a health care business worth about $212 billion. It profits from humanity's stubborn refusal to stay healthy — with price receipts on this site going back to 1983. And the long game: $100 at its first close here (1983) would be about $236,364 today.
Did you know?
- Its best month on record was December 1987 at +45.88%; its worst, February 1993 at -41.53%.
- It has closed July in the green 34 out of 44 times — not a promise, just a suspicious habit.
Trivia for entertainment — the numbers come from our price data; the jokes don't.