3 Promising Penny Stocks With Market Caps Under $300M

Amid ongoing market volatility and tariff uncertainties, the S&P 500 and Dow Jones Industrial Average have experienced significant declines, while the Nasdaq Composite showed a slight increase. For investors willing to explore beyond well-known companies, penny stocks—often associated with smaller or newer enterprises—can present unexpected opportunities. Despite their somewhat outdated label, these stocks remain relevant for those seeking potential growth driven by solid financial health.

Top 10 Penny Stocks In The United States

Click here to see the full list of 790 stocks from our US Penny Stocks screener.

We'll examine a selection from our screener results.

AirJoule Technologies (NasdaqCM:AIRJ)

Simply Wall St Financial Health Rating: ★★★★★☆

Overview: AirJoule Technologies Corporation specializes in atmospheric renewable energy and water harvesting technologies, with a market cap of approximately $268.79 million.

Operations: No specific revenue segments are reported for AirJoule Technologies Corporation.

Market Cap: $268.79M

AirJoule Technologies, with a market cap of US$268.79 million, has transitioned to profitability, reporting a net income of US$215.7 million for 2024 after a prior loss. Despite having no significant revenue streams and being pre-revenue, the company benefits from strong short-term asset coverage over liabilities but faces challenges with long-term liabilities totaling US$113.7 million. The lack of debt is advantageous; however, its high volatility and inexperienced management team may pose risks. Recent financial activities include a $30 million private placement and shelf registration for additional capital raising efforts worth $30.47 million.

• Click here to discover the nuances of AirJoule Technologies with our detailed analytical financial health report.
• Learn about AirJoule Technologies' historical performance here.

Shattuck Labs (NasdaqGS:STTK)

Simply Wall St Financial Health Rating: ★★★★★☆

Overview: Shattuck Labs, Inc. is a biotechnology company focused on developing antibodies for treating inflammatory and immune-mediated diseases, with a market cap of $35.11 million.

Operations: The company generates revenue from its biotechnology segment, amounting to $5.72 million.

Market Cap: $35.11M

Shattuck Labs, with a market cap of US$35.11 million, is navigating the biotech landscape with its focus on developing antibodies for inflammatory diseases. The company reported a net loss of US$75.41 million for 2024, showing improvement from the previous year. Despite being unprofitable and facing declining earnings forecasts, Shattuck maintains strong asset coverage over liabilities and remains debt-free. Recent developments include a shelf registration filing worth US$2.25 million and promising preclinical results for its DR3 blocking antibody SL-325, which is set to enter Phase 1 trials this year, potentially enhancing its future prospects in IBD treatment.

• Take a closer look at Shattuck Labs' potential here in our financial health report.
• Gain insights into Shattuck Labs' outlook and expected performance with our report on the company's earnings estimates.

Mammoth Energy Services (NasdaqGS:TUSK)

Simply Wall St Financial Health Rating: ★★★★★★

Overview: Mammoth Energy Services, Inc. is an energy services company operating in the United States, Canada, and internationally with a market cap of $97.22 million.

Operations: The company's revenue is primarily derived from its Infrastructure segment, generating $110.38 million, followed by Well Completion at $34.02 million and Sand at $19.06 million.

Market Cap: $97.22M

Mammoth Energy Services, with a market cap of US$97.22 million, operates primarily in the Infrastructure segment, generating US$110.38 million in revenue. Despite being unprofitable and reporting a net loss of US$15.47 million for Q4 2024, the company has reduced its debt to equity ratio from 12.9% to 3.3% over five years and maintains sufficient cash runway for more than three years due to positive free cash flow growth. Recent developments include switching auditors from Grant Thornton LLP to Deloitte & Touche LLP, which may influence future financial transparency and reporting practices.

• Dive into the specifics of Mammoth Energy Services here with our thorough balance sheet health report.
• Assess Mammoth Energy Services' previous results with our detailed historical performance reports.

Make It Happen

• Unlock more gems! Our US Penny Stocks screener has unearthed 787 more companies for you to explore.Click here to unveil our expertly curated list of 790 US Penny Stocks.
• Contemplating Other Strategies? AI is about to change healthcare. These 26 stocks are working on everything from early diagnostics to drug discovery. The best part - they are all under $10b in market cap - there's still time to get in early.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com