Charles River Laboratories (CRL)
S&P 500 · Health Care · data since 2000-06-23 · last close 2026-09-09
Charles River Laboratories (CRL) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 5.5 | -15.2 | -3.4 | -3.2 | 8.2 | 25.5 | 2.5 | 24.0 | -3.4 | · | · | · |
| 2025 | -10.8 | 0.3 | -8.9 | -21.2 | 14.3 | 11.9 | 11.8 | -3.7 | -4.2 | 15.1 | -1.1 | 12.0 |
| 2024 | -8.5 | 17.5 | 6.6 | -15.5 | -9.0 | -0.9 | 18.2 | -19.0 | -0.4 | -9.3 | 11.5 | -7.3 |
| 2023 | 11.6 | -9.8 | -8.0 | -5.8 | 1.7 | 8.7 | -0.3 | -1.3 | -5.2 | -14.1 | 17.1 | 19.9 |
| 2022 | -12.5 | -11.7 | -2.5 | -14.9 | -3.1 | -8.6 | 17.1 | -18.1 | -4.1 | 7.8 | 7.7 | -4.7 |
| 2021 | 3.7 | 10.5 | 1.3 | 14.7 | 1.7 | 9.4 | 10.0 | 9.1 | -7.0 | 8.7 | -18.5 | 3.0 |
| 2020 | 1.2 | 0.6 | -18.9 | 14.6 | 24.2 | -3.0 | 14.1 | 10.0 | 3.4 | 0.6 | 3.0 | 6.5 |
| 2019 | 8.8 | 15.4 | 2.2 | -3.3 | -10.7 | 13.1 | -5.2 | -2.5 | 0.9 | -1.8 | 11.8 | 5.2 |
| 2018 | -3.7 | 1.1 | 0.1 | -2.4 | 3.2 | 4.4 | 10.7 | -0.6 | 8.9 | -9.4 | 10.7 | -16.1 |
| 2017 | 6.0 | 7.6 | 3.4 | -0.3 | 2.6 | 9.9 | -2.9 | 10.8 | -0.7 | 7.7 | -10.4 | 5.0 |
| 2016 | -7.7 | -1.1 | 3.4 | 4.4 | 8.4 | -4.1 | 6.7 | -5.4 | 0.2 | -8.9 | -6.3 | 7.2 |
| 2015 | 9.0 | 10.6 | 3.4 | -12.8 | 4.6 | -2.8 | 10.3 | -11.3 | -7.8 | 2.7 | 17.4 | 5.0 |
| 2014 | 6.6 | 5.1 | 1.6 | -11.0 | -0.3 | -0.1 | 1.3 | 9.0 | 1.1 | 5.7 | 2.5 | -1.7 |
| 2013 | 10.3 | -1.4 | 8.7 | -1.8 | -0.4 | -5.3 | 11.0 | 1.1 | 0.5 | 6.4 | 6.0 | 1.7 |
| 2012 | 23.6 | 4.0 | 2.7 | -1.6 | -6.0 | -1.9 | 3.9 | 6.7 | 9.0 | -5.8 | 2.8 | -2.4 |
| 2011 | 7.9 | -5.0 | 5.3 | 9.9 | -8.3 | 5.1 | -2.7 | -16.3 | -13.6 | 12.8 | -12.2 | -3.6 |
| 2010 | 7.9 | 4.3 | 3.7 | -14.8 | 0.2 | 2.0 | -9.2 | -9.1 | 17.4 | -1.1 | -0.4 | 8.8 |
| 2009 | -6.8 | 1.6 | 9.7 | 1.6 | 13.7 | 7.4 | -2.0 | 4.3 | 7.2 | -1.2 | -12.0 | 4.8 |
| 2008 | -5.3 | -6.0 | 0.6 | -1.5 | 10.7 | -0.6 | 4.0 | -1.3 | -15.4 | -35.5 | -36.4 | 14.9 |
| 2007 | 4.0 | 1.9 | 0.8 | 2.4 | 12.3 | -2.9 | -0.8 | 2.5 | 7.0 | 3.3 | 9.5 | 3.6 |
| 2006 | 8.9 | 4.8 | 1.4 | -3.6 | -15.3 | -8.1 | -3.5 | 14.5 | 6.8 | -1.1 | -2.7 | 3.6 |
| 2005 | 3.0 | -2.7 | 2.0 | 0.7 | 1.5 | 0.3 | 0.9 | 4.3 | -14.2 | 0.3 | 4.1 | -7.0 |
| 2004 | 16.9 | 7.3 | -0.5 | 7.3 | -2.0 | 8.4 | -7.8 | -3.4 | 5.2 | 2.2 | -0.1 | -1.6 |
| 2003 | -22.6 | 0.4 | -14.7 | 6.4 | 17.0 | 1.3 | 15.5 | -3.8 | -14.2 | 5.0 | 0.7 | 5.8 |
| 2002 | -8.8 | -2.9 | 4.5 | -3.4 | 22.7 | -4.6 | 8.7 | 3.8 | -0.8 | -6.4 | -0.5 | 5.3 |
| 2001 | 3.0 | -14.2 | 2.3 | 0.2 | 27.8 | 7.3 | -10.9 | 17.8 | -0.9 | -5.0 | -1.3 | 1.0 |
| 2000 | · | · | · | · | · | 0.8 | 36.1 | -9.1 | 23.9 | -22.8 | -18.6 | 28.1 |
| Avg | 2.0 | 0.9 | 0.3 | -2.1 | 4.6 | 2.7 | 5.1 | 0.5 | -0.0 | -1.7 | -0.6 | 3.7 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
CRL seasonality — average by calendar month
Charles River Laboratories has monthly history back to 2000. Its strongest month by median is December — positive in 18 of 26 years, median +4.2%, and higher in 6 of the last 9. April is the soft spot, down in 16 of 26 with a median of -1.7%. Across its full record it has closed 57% of months higher, swings ±9.8% in an average month and has fallen 78.2% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +2.0% | +0.9% | +0.3% | -2.1% | +4.6% | +2.7% | +5.1% | +0.5% | +0.1% | -1.7% | -0.6% | +3.7% |
| Win rate | 65%/26 | 62%/26 | 73%/26 | 38%/26 | 65%/26 | 56%/27 | 63%/27 | 48%/27 | 50%/26 | 50%/26 | 50%/26 | 69%/26 |
Win rate = share of positive months / sample size.
CRL risk & extremes
CRL 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 Charles River Laboratories's best month?+
Charles River Laboratories's strongest completed month on record is July 2000, at +36.06%.
What was Charles River Laboratories's worst month?+
Its weakest completed month on record is November 2008, at -36.37%.
Is Charles River Laboratories up this year?+
Charles River Laboratories is up 39.54% year to date, measured from its last close before 1 January.
What is Charles River Laboratories's 1-year return?+
+76.86% 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 Charles River Laboratories's biggest drawdown?+
The deepest peak-to-trough fall on record is 78.2%, measured on month-end closes since 2000.
Which calendar month is historically best for Charles River Laboratories?+
July has the highest average return across every completed July since 2000. An average is not a forecast.
About Charles River Laboratories
Charles River Laboratories is an S&P 500 company, a health care business worth about $13 billion. It profits from humanity's stubborn refusal to stay healthy — with price receipts on this site going back to 2000. And the long game: $100 at its first close here (2000) would be about $1,299 today.
Did you know?
- Its best month on record was July 2000 at +36.06%; its worst, November 2008 at -36.37%.
- It has closed March in the green 19 out of 26 times — past performance, future shrug.
Trivia for entertainment — the numbers come from our price data; the jokes don't.