Tandem Diabetes Care Hits Day High with 9.48% Surge in Stock Price

Tandem Diabetes Care, Inc. has experienced a significant uptick in its stock performance, gaining 9.48% on February 24, 2026. The stock reached an intraday high of USD 29.65, marking a notable moment in its trading activity. This performance stands in stark contrast to the S&P 500, which only saw a modest increase of 0.69% on the same day. Over the past week, Tandem Diabetes Care has shown remarkable resilience, with a 41.95% increase, while its one-month performance reflects a solid 35.18% gain. However, the company has faced challenges over the longer term, with a one-year performance of -13.23% and a three-year decline of -29.53%. Despite these fluctuations, Tandem Diabetes Care maintains a high institutional ownership at 100%, indicating strong backing from institutional investors. The company's market capitalization stands at USD 1,679 million, placing it within the small-cap category of the pharmaceuticals and biotechnology industry. As the stock continues to navigate its market position, its recent performance highlights a day of notable activity.