Incannex Healthcare, Klotho Neurosciences, and DevvStream Corp. are the 3 Penny Stocks to watch on May 15, 2025, based on TipRanks’ Penny Stock Screener tool. Penny stocks are defined as stocks that trade at or below $5 per share and have a market capitalization of below $300 million.
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The Penny Stock Screener helps investors scan stocks based on numerous parameters, including Sector, Price Target Upside, Smart Score, Analyst Consensus, Dollar Volume, and Price Change.
We leveraged the tool to pick the top three penny stocks with the highest Dollar Volume as of the close on May 14, 2025. Simply put, Dollar Volume is the number of shares traded on a particular day multiplied by the day’s share price.

Incannex Healthcare (IXHL) – Incannex Healthcare is focused on developing combination medicines that target the underlying biological pathways associated with chronic conditions, including obstructive sleep apnea, rheumatoid arthritis, and generalized anxiety disorder. On May 14, IXHL had a Dollar Volume of $1.07 billion, while its stock price skyrocketed by a stellar 720.6%.
IXHL stock rallied as the company announced the completion of patient dosing in the Phase 2 portion of its Phase 2/3 RePOSA study for IHL-42X, an investigational oral treatment for obstructive sleep apnea (OSA). Incannex Healthcare stated that the IHL-42X program continues its solid momentum as it prepares for data analysis and progresses toward its end-of-Phase 2 meeting with the U.S. Food and Drug Administration (FDA). It added that the end-of-study follow-up assessments are on track for completion by May 17, 2025, with topline results expected in July 2025.
Klotho Neurosciences (KLTO) – Klotho Neurosciences is focused on the development of disease-modifying therapies for age-related cognitive and neurodegenerative disorders. KLTO had a Dollar Volume of $153.16 million yesterday, with its stock price surging 122.5%. There was no specific news related to KLTO stock.
DevvStream Corp (DEVS) – DevvStream Corp. is a leading carbon management firm specializing in the development, investment, and sale of environmental assets. DEVS had a Dollar Volume of $114.54 million on Wednesday, accompanied by a stock price jump of about 37%.
DEVS stock moved higher as the company announced that it signed a Memorandum of Understanding (MoU) with Fayafi Investment Holding, one of the UAE’s diversified investment platforms, to launch Fayafi x DevvStream Green Ventures. This global joint venture aims to accelerate investment in decarbonization and climate infrastructure projects.
DevvStream said that agreements are expected in Q2 2025, with initial project deployments planned for Q3/Q4 2025. Moreover, the initial funding commitment is expected to be $100 million, with the potential to boost it significantly based on project performance and capital deployment efficiency.
To find more penny stocks like these, you can take a look at TipRanks’ Penny Stock Screener tool. It shows a list of all penny stocks, their price movement, and other vital data.