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CRL
Charles River LaboratoriesStock · HealthcareS&P 500 Equal Weight 0.2% · S&P 500 0.02% · Russell 3000 0.02% · Russell 1000 0.02% · US Stock Market 0.02%
$278.06-1.28%
as of market close, Sep 18, 2026
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Charles River Laboratories monthly returns

Charles River Laboratories has averaged 1.19% per month, positive in 57% of months. Month-by-month returns for Charles River Laboratories (CRL) below, through September 18, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.

Average month
+1.2%
309 months
Best month
+27.8%
May 2001
Worst month
-36.4%
Nov 2008
Positive months
57%
of all months

Charles River Laboratories monthly returns#

Charles River Laboratories total return by month
MonthTotal return
Sep 2026
-3.5%
Aug 2026
+24.0%
Jul 2026
+4.0%
Jun 2026
+23.7%
May 2026
+8.2%
Apr 2026
-3.2%
Mar 2026
-3.4%
Feb 2026
-15.2%
Jan 2026
+5.5%
Dec 2025
+12.0%
Nov 2025
-1.1%
Oct 2025
+15.1%
Sep 2025
-4.2%
Aug 2025
-3.7%
Jul 2025
+11.8%
Jun 2025
+11.9%
May 2025
+14.3%
Apr 2025
-21.2%
Mar 2025
-8.9%
Feb 2025
+0.3%
Jan 2025
-10.7%
Dec 2024
-7.3%
Nov 2024
+11.5%
Oct 2024
-9.3%
Sep 2024
-0.4%
Aug 2024
-19.0%
Jul 2024
+18.2%
Jun 2024
-0.9%
May 2024
-9.0%
Apr 2024
-15.5%
Mar 2024
+6.6%
Feb 2024
+17.5%
Jan 2024
-8.5%
Dec 2023
+20.0%
Nov 2023
+17.1%
Oct 2023
-14.1%
Sep 2023
-5.2%
Aug 2023
-1.3%
Jul 2023
-0.3%
Jun 2023
+8.7%
May 2023
+1.7%
Apr 2023
-5.8%
Mar 2023
-8.0%
Feb 2023
-9.8%
Jan 2023
+11.6%
Dec 2022
-4.7%
Nov 2022
+7.7%
Oct 2022
+7.9%
Sep 2022
-4.1%
Aug 2022
-18.1%
Jul 2022
+17.1%
Jun 2022
-8.6%
May 2022
-3.1%
Apr 2022
-15.0%
Mar 2022
-2.5%
Feb 2022
-11.7%
Jan 2022
-12.5%
Dec 2021
+3.0%
Nov 2021
-18.5%
Oct 2021
+8.7%
Sep 2021
-7.0%
Aug 2021
+9.1%
Jul 2021
+10.0%
Jun 2021
+9.4%
May 2021
+1.7%
Apr 2021
+14.7%
Mar 2021
+1.3%
Feb 2021
+10.5%
Jan 2021
+3.7%
Dec 2020
+6.5%
Nov 2020
+3.0%
Oct 2020
+0.6%
Sep 2020
+3.4%
Aug 2020
+10.0%
Jul 2020
+14.1%
Jun 2020
-3.0%
May 2020
+24.2%
Apr 2020
+14.6%
Mar 2020
-18.9%
Feb 2020
+0.6%
Jan 2020
+1.2%
Dec 2019
+5.2%
Nov 2019
+11.7%
Oct 2019
-1.8%
Sep 2019
+0.9%
Aug 2019
-2.5%
Jul 2019
-5.2%
Jun 2019
+13.1%
May 2019
-10.7%
Apr 2019
-3.3%
Mar 2019
+2.2%
Feb 2019
+15.4%
Jan 2019
+8.8%
Dec 2018
-16.1%
Nov 2018
+10.7%
Oct 2018
-9.5%
Sep 2018
+8.9%
Aug 2018
-0.6%
Jul 2018
+10.7%
Jun 2018
+4.4%
May 2018
+3.2%
Apr 2018
-2.4%
Mar 2018
+0.1%
Feb 2018
+1.1%
Jan 2018
-3.7%
Dec 2017
+5.0%
Nov 2017
-10.4%
Oct 2017
+7.7%
Sep 2017
-0.7%
Aug 2017
+10.8%
Jul 2017
-2.9%
Jun 2017
+9.9%
May 2017
+2.6%
Apr 2017
-0.3%
Mar 2017
+3.4%
Feb 2017
+7.6%
Jan 2017
+6.1%
Dec 2016
+7.2%
Nov 2016
-6.3%
Oct 2016
-9.0%

Monthly total return (since Oct 2021)#

Methodology#

Monthly returns are total returns (dividends reinvested), computed from CRL's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.

FAQ#

What is Charles River Laboratories's average monthly return?
Charles River Laboratories (CRL) has averaged about 1.19% per month, positive in roughly 57% of months. The best month was May 2001 (+27.8%) and the worst was Nov 2008 (-36.4%).

More on Charles River Laboratories