Mesa Laboratories, Inc. (MLAB:NASDAQ) closed at $129.87 on October 26, 2026, up 0.94% on the day. The stock trades 10.0% below its 52-week high of $144.35 and 86.8% above its 52-week low of $69.51. Over the past year, it gained 68.9%. Mesa Laboratories, Inc. is part of the Capital Goods sector (Industrial Machinery/Components).
In 252 trading sessions since October 24, 2025, MLAB closed higher on 131 days (52%). Its best day was May 28, 2026 (+13.55%) and its worst was March 10, 2026 (-16.49%). The stock moved 10% or more in a single session 6 times.
Mesa Laboratories, Inc. designs, manufactures, and markets quality control instruments and disposable products. The company's Instruments segment offers data loggers, a precision instrument used in critical manufacturing, quality control, and validation applications; medical meters and calibration solutions used to test various parameters of the dialysis fluid, and the calibration and operation of the dialysis machine; gas flow calibration and air sampling equipment that are used for industrial hygiene assessments, calibration of gas metering equipment, and environmental air monitoring; and torque testing systems used for the packaging industry. This segment's products are used in healthcare, pharmaceutical, food and beverage, medical device, industrial hygiene, environmental air sampling, and semiconductor industries. Its Biological Indicators segment manufactures and markets biological indicators comprising spore strips, self-contained products, and culture media, as well as process challenge devices; and testing services. This segment also distributes chemical indicators that are used to assess the effectiveness of sterilization processes, including steam, hydrogen peroxide, eth...
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