Turnstone Biologics stock plunges to 52-week low of $0.4

Published 11/02/2025, 21:52
Turnstone Biologics stock plunges to 52-week low of $0.4

In a stark reflection of the challenges facing the biotech sector, Turnstone Biologics Corp. (TSBX) stock has tumbled to a 52-week low, reaching a price level of just $0.4. This latest price point underscores a precipitous decline for the company, which has seen its stock value erode by an alarming 81.32% over the past year. According to InvestingPro data, the company’s market capitalization has shrunk to just $10 million, with analysis indicating the stock is currently undervalued despite concerning fundamentals. Investors have been grappling with a mix of industry-wide pressures and company-specific hurdles, leading to a significant reevaluation of Turnstone’s market position and future prospects. While the company maintains a healthy current ratio of 3.75 and holds more cash than debt, InvestingPro analysis reveals concerning metrics including rapid cash burn and weak profit margins. The 52-week low serves as a critical juncture for the company, as it seeks to reassure stakeholders and chart a path towards recovery and growth amidst a challenging economic landscape. (Discover 10+ additional key insights and metrics with InvestingPro’s comprehensive analysis tools.)

In other recent news, Turnstone Biologics has halted all clinical trials for its TIDAL-01 treatment, as reported in recent developments. The decision was based on a review of available data and the need for further manufacturing process improvements. The company is now exploring strategic alternatives, including mergers, acquisitions, or asset sales. This move was followed by Piper Sandler’s downgrade of Turnstone Biologics’ stock rating from Overweight to Neutral, with a significant reduction in the price target to $0.40. Analysts at Piper Sandler removed all projected value for TIDAL-01 following the company’s update. BofA Securities also downgraded Turnstone Biologics’ stock from Neutral to Underperform, setting a revised price target of $0.40. The firm cited limited availability of bed space at infusion centers and slower patient enrollment rates as contributing factors to the downgrade. These changes reflect a reassessment of the company’s valuation in light of the recent developments.

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