Charles River Labs, US1591881009

Charles River Labs stock heads into the open after a 1.28 percent drop

Published on 09/22/2026 at 07:08 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

At the close on September 18, 2026, Charles River Labs stock stood at USD 278.06 on the NYSE after falling 1.28 percent. The shares traded between USD 276.01 and USD 282.99, while the 52-week range was USD 144.26 to USD 303.31.

Moderner CRO-Forschungscampus mit Glasfassade in Wilmington Massachusetts
Charles River Laboratories Forschungscampus in Wilmington Massachusetts, modernes Glaslaborgebäude, ISIN US1591881009, Außenansicht, Illustration mit AI erstellt.

Charles River Labs stock closed at USD 278.06 on the NYSE on September 18, 2026, falling 1.28 percent from the prior session.

September 18, 2026 in numbers

Charles River Laboratories International, Inc. (ISIN US1591881009, NYSE: CRL) traded between USD 276.01 and USD 282.99 on September 18, 2026. The close was USD 25.25 below the 52-week high of USD 303.31 and USD 133.80 above the 52-week low of USD 144.26.

The company also remained the subject of portfolio commentary. As Yahoo Finance reported on September 21, 2026, Riverwater Sustainable Value Strategy sold its position while citing concerns about the long-term effect of alternative testing methods on animal-based preclinical research.

Market events today

US investors face several scheduled macroeconomic items on September 22, 2026. TechFlow listed weekly US employment data, the Richmond Federal Reserve manufacturing index and remarks from Federal Reserve officials. These items can affect rate-sensitive healthcare valuations.

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