Regeneron Pharmaceuticals (REGN)
S&P 500 · Nasdaq-100 · Health Care · data since 1991-04-02 · last close 2026-07-24
1d
+0.63%
7d
-3.06%
30d
+5.23%
YTD
-14.78%
1y
+16.82%
Regeneron Pharmaceuticals (REGN) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -3.9 | 5.5 | -1.2 | -8.5 | -12.9 | 1.4 | 5.2 | · | · | · | · | · |
| 2025 | -5.5 | 4.0 | -9.2 | -5.6 | -18.0 | 7.1 | 3.9 | 6.6 | -3.2 | 15.9 | 19.9 | -1.1 |
| 2024 | 7.3 | 2.5 | -0.4 | -7.5 | 10.1 | 7.2 | 2.7 | 9.8 | -11.3 | -20.3 | -10.5 | -5.0 |
| 2023 | 5.1 | 0.3 | 8.1 | -2.4 | -8.3 | -2.3 | 3.3 | 11.4 | -0.4 | -5.2 | 5.6 | 6.6 |
| 2022 | -3.6 | 1.6 | 12.9 | -5.6 | 0.8 | -11.1 | -1.6 | -0.1 | 18.6 | 8.7 | 0.4 | -4.0 |
| 2021 | 4.3 | -10.6 | 5.0 | 1.7 | 4.4 | 11.2 | 2.9 | 17.2 | -10.1 | 5.7 | -0.5 | -0.8 |
| 2020 | -10.0 | 31.6 | 9.8 | 7.7 | 16.5 | 1.8 | 1.4 | -1.9 | -9.7 | -2.9 | -5.1 | -6.4 |
| 2019 | 14.9 | 0.3 | -4.7 | -16.4 | -12.1 | 3.7 | -2.6 | -4.8 | -4.4 | 10.4 | 20.5 | 1.8 |
| 2018 | -2.5 | -12.6 | 7.5 | -11.8 | -1.1 | 14.9 | 6.7 | 10.5 | -0.7 | -16.0 | 7.8 | 2.1 |
| 2017 | -2.1 | 4.0 | 3.8 | 0.3 | 18.2 | 7.0 | 0.1 | 1.1 | -10.0 | -9.9 | -10.1 | 3.9 |
| 2016 | -22.6 | -8.6 | -6.1 | 4.5 | 5.9 | -12.5 | 21.7 | -7.7 | 2.4 | -14.2 | 9.9 | -3.2 |
| 2015 | 1.6 | -0.7 | 9.1 | 1.3 | 12.0 | -0.5 | 8.5 | -7.3 | -9.4 | 19.8 | -2.3 | -0.3 |
| 2014 | 4.8 | 15.2 | -9.7 | -1.1 | 3.4 | -8.0 | 11.9 | 10.8 | 2.9 | 9.2 | 5.7 | -1.4 |
| 2013 | 1.7 | -4.0 | 5.6 | 22.0 | 12.4 | -7.0 | 20.1 | -10.3 | 29.1 | -8.1 | 2.2 | -6.3 |
| 2012 | 63.9 | 15.3 | 11.3 | 16.0 | 0.3 | -15.8 | 17.9 | 9.9 | 3.1 | -6.8 | 24.1 | -3.1 |
| 2011 | 2.6 | 7.7 | 23.9 | 13.6 | 17.6 | -5.5 | -6.4 | 11.3 | -1.4 | -5.0 | 7.5 | -6.7 |
| 2010 | 10.3 | -8.3 | 8.3 | -3.6 | 11.9 | -21.9 | 8.4 | -9.1 | 24.7 | -4.7 | 10.4 | 13.9 |
| 2009 | -4.8 | -18.5 | -2.7 | -4.3 | 15.2 | 17.4 | 19.9 | 5.8 | -15.1 | -18.6 | 16.9 | 31.8 |
| 2008 | -16.0 | -2.5 | -2.9 | 2.2 | 1.4 | -27.4 | 51.6 | -0.8 | 0.5 | -11.6 | -19.9 | 18.8 |
| 2007 | -0.9 | -0.3 | 9.0 | 25.8 | -17.5 | -20.1 | -16.9 | 30.7 | -8.5 | 23.6 | -1.0 | 10.9 |
| 2006 | -4.2 | 7.5 | 1.6 | -12.7 | -10.9 | -0.9 | 6.5 | 16.3 | -1.2 | 27.8 | 7.3 | -6.7 |
| 2005 | -21.8 | -15.1 | -16.4 | 9.0 | 11.8 | 34.7 | 14.9 | -22.5 | 27.0 | 31.8 | -10.7 | 42.4 |
| 2004 | 1.0 | -4.7 | -4.1 | -7.7 | -10.4 | -6.2 | -18.7 | 4.1 | -2.6 | -16.2 | 26.8 | -0.1 |
| 2003 | 1.2 | -2.1 | -59.0 | -15.8 | 117.1 | 14.7 | -2.3 | -1.2 | 16.2 | -21.7 | -6.9 | 14.2 |
| 2002 | -11.9 | -8.4 | 10.0 | -17.4 | -20.0 | -12.2 | 18.5 | -10.2 | -12.6 | 12.1 | 43.1 | -14.5 |
| 2001 | -7.1 | -4.2 | -29.3 | 39.8 | 2.9 | 8.6 | -22.4 | 12.1 | -26.2 | -0.6 | 25.2 | 1.8 |
| 2000 | -3.4 | 358.9 | -47.7 | -3.4 | -28.7 | 46.3 | -5.9 | 26.3 | -7.9 | -18.0 | -8.9 | 44.7 |
| 1999 | 8.5 | -3.1 | -14.5 | 0.0 | 7.5 | 9.7 | 7.2 | 13.4 | -14.5 | -1.5 | -4.7 | 67.2 |
| 1998 | -18.3 | 16.1 | -9.2 | 33.0 | -4.8 | -1.3 | -13.2 | -18.0 | 17.1 | 7.3 | 0.0 | -10.6 |
| 1997 | -39.5 | 2.6 | -20.0 | -18.8 | 63.5 | -4.7 | -1.2 | -7.5 | 20.9 | -6.7 | -5.4 | -13.3 |
| 1996 | 19.6 | -21.3 | 6.3 | 10.8 | 23.0 | 0.0 | -9.3 | 6.3 | 20.1 | -5.6 | 0.7 | -15.7 |
| 1995 | 120.8 | -5.7 | 0.0 | 2.0 | -3.9 | 46.9 | 45.1 | 17.7 | 1.6 | -17.6 | -13.6 | 14.6 |
| 1994 | 2.4 | -11.8 | -50.9 | 14.6 | -19.1 | -29.4 | -13.9 | 6.5 | 18.2 | -16.7 | 4.6 | -29.4 |
| 1993 | 25.0 | -15.0 | 19.6 | -1.6 | 2.5 | 7.3 | 10.6 | -12.3 | -3.1 | 17.7 | -19.2 | 5.1 |
| 1992 | 13.1 | -12.2 | -15.3 | -11.5 | 1.9 | -18.2 | 11.1 | -34.0 | 3.0 | 2.9 | 60.0 | -14.3 |
| 1991 | · | · | · | -40.2 | -3.0 | -9.2 | 3.4 | 0.0 | 28.3 | 30.5 | -18.2 | 15.1 |
| Avg | 3.7 | 8.7 | -4.3 | 0.2 | 5.3 | 0.7 | 5.2 | 2.3 | 2.3 | -0.1 | 4.6 | 4.3 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
Seasonality — average by calendar month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +3.7% | +8.7% | -4.3% | +0.2% | +5.3% | +0.7% | +5.3% | +2.3% | +2.3% | -0.1% | +4.6% | +4.3% |
| Win rate | 51%/35 | 43%/35 | 46%/35 | 44%/36 | 61%/36 | 44%/36 | 66%/35 | 54%/35 | 46%/35 | 40%/35 | 54%/35 | 46%/35 |
Win rate = share of positive months / sample size.
Risk & extremes
Max drawdown
-91.8%
Worst peak-to-trough fall on record
Monthly volatility
±24.9%
Std. dev. of monthly returns
Positive months
50%
Share of completed months in the green
Best month
+358.88%
2000-02
Worst month
-59%
2003-03
Longest streaks
7▲ / 6▼
Consecutive up / down months
Drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
About Regeneron Pharmaceuticals
Regeneron Pharmaceuticals turns lab coats into cash flows — with price receipts on this site going back to 1991. And the long game: $100 at its first close here (1991) would be about $4,979 today.
Did you know?
- Its best month on record was February 2000 at +358.88%; its worst, March 2003 at -59%.
Trivia for entertainment — the numbers come from our price data; the jokes don't.