908 Devices Inc. (MASS:NASDAQ) closed at $11.43 on October 19, 2026, up 1.51% on the day. The stock trades 14.4% below its 52-week high of $13.35 and 127.5% above its 52-week low of $5.03. Over the past year, it gained 27.1%. 908 Devices Inc. is part of the Health Care sector.
In 252 trading sessions since October 17, 2025, MASS closed higher on 124 days (49%). Its best day was January 20, 2026 (+19.20%) and its worst was November 10, 2025 (-13.35%). The stock moved 10% or more in a single session 6 times. It opened at least 5% above the previous day's high 4 times.
908 Devices Inc manufactures medical devices. It has developed an innovative suite of purpose-built handheld and desktop mass spectrometry, or Mass Spec, devices for the point-of-need. Mass Spec devices are used at the point-of-need to interrogate unknown and invisible materials and provide quick, actionable answers to directly address some of the most critical problems in life sciences research, bioprocessing, industrial biotech, forensics and adjacent markets.
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Based on end-of-day data. For information only, not investment advice.