Collegium Pharmaceutical, Inc. (COLL:NASDAQ) closed at $22.92 on October 21, 2026, down 1.36% on the day. The stock trades 54.9% below its 52-week high of $50.79 and 6.9% above its 52-week low of $21.43. Over the past year, it lost 35.8%. Collegium Pharmaceutical, Inc. is part of the Health Care sector (Major Pharmaceuticals).
In 252 trading sessions since October 21, 2025, COLL closed higher on 126 days (50%). Its best day was November 6, 2025 (+13.42%) and its worst was August 6, 2026 (-18.55%). The stock moved 10% or more in a single session 2 times. It opened at least 5% above the previous day's high 1 time.
Collegium Pharmaceutical, Inc., a specialty pharmaceutical company, develops and commercializes abuse-deterrent products that incorporate its DETERx platform technology for the treatment of chronic pain and other diseases. It offers Xtampza, an oral formulation of oxycodone, for the management of pain. The company also develops Onsolis, a transmucosal immediate-release fentanyl film indicated for the management of breakthrough pain in cancer patients 18 years of age and older. The company is also developing COL-195, a hydrocodone for the treatment of chronic pain; COL-172, an oxymorphone for the treatment of chronic pain; COL-196, a morphine formulation to treat pain; and COL-171, a methylphenidate formulation for the treatment of attention deficit hyperactivity disorder. The company was formerly known as Collegium Pharmaceuticals, Inc. and changed its name to Collegium Pharmaceutical, Inc. in October 2003. Collegium Pharmaceutical, Inc. was incorporated in 2002 and is headquartered in Canton, Massachusetts.
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Based on end-of-day data. For information only, not investment advice.