3 Penny Stocks With Market Caps Under $300M To Watch

Over the last 7 days, the United States market has remained flat, but it is up 8.1% over the past year with earnings forecasted to grow by 17% annually. For those interested in exploring smaller or newer companies, penny stocks—despite their somewhat outdated label—remain a relevant investment area that can offer surprising value when backed by strong financials. This article highlights several penny stocks that combine financial strength with potential long-term growth opportunities.

Let's explore several standout options from the results in the screener.

Hongli Group (HLP)

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

Overview: Hongli Group Inc., along with its subsidiaries, manufactures and sells customized steel profiles both in the People's Republic of China and internationally, with a market cap of $262.33 million.

Operations: The company generates revenue from its Metal Processors and Fabrication segment, amounting to $19.60 million.

Market Cap: $262.33M

Hongli Group Inc., with a market cap of US$262.33 million, has shown stability in its weekly volatility over the past year despite higher levels than most U.S. stocks. The company's debt is satisfactorily managed, with interest payments well covered by EBIT and a reduced debt-to-equity ratio over five years. However, earnings have declined by 36.8% annually over the past five years despite recent profitability gains. Recent strategic alliances with Xell Energy aim to enhance product offerings in advanced battery technology for drones, while leadership changes bring experienced capital markets expertise to the boardroom, potentially influencing future corporate governance and strategic direction.

• Navigate through the intricacies of Hongli Group with our comprehensive balance sheet health report here.
• Review our historical performance report to gain insights into Hongli Group's track record.

Pulmonx (LUNG)

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

Overview: Pulmonx Corporation is a commercial-stage medical technology company specializing in minimally invasive treatments for severe emphysema, with a market cap of $78.60 million.

Operations: The company's revenue is primarily derived from its medical products segment, which generated $87.44 million.

Market Cap: $78.6M

Pulmonx Corporation, with a market cap of US$78.60 million, continues to navigate challenges typical of penny stocks. Despite being unprofitable and experiencing significant insider selling recently, the company maintains sufficient cash runway for over three years if its free cash flow grows at historical rates. Pulmonx's short-term assets exceed both short and long-term liabilities, indicating sound liquidity management. However, its debt-to-equity ratio has increased significantly over five years. The company reaffirmed its 2026 revenue guidance of US$90-92 million despite a slight decline in Q2 sales compared to the previous year and ongoing net losses.

• Dive into the specifics of Pulmonx here with our thorough balance sheet health report.
• Understand Pulmonx's earnings outlook by examining our growth report.

Liquidmetal Technologies (LQMT)

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

Overview: Liquidmetal Technologies, Inc. is a materials technology company that designs, develops, and sells custom products and parts from bulk amorphous alloys to various industries globally with a market cap of $72.01 million.

Operations: The company's revenue is primarily derived from developing and manufacturing products and applications using amorphous alloys, totaling $0.67 million.

Market Cap: $72.01M

Liquidmetal Technologies, Inc., with a market cap of US$72.01 million, exemplifies the volatility and potential of penny stocks. The company remains pre-revenue with earnings for Q2 2026 showing a net loss of US$0.84 million on revenue of US$0.196 million, reflecting its ongoing financial challenges. Despite this, Liquidmetal is debt-free and possesses short-term assets totaling US$15.3 million that comfortably cover both short and long-term liabilities. The seasoned board provides stability amid increased stock volatility over the past year, while the cash runway extends beyond three years if free cash flow growth persists at historical rates.

• Click to explore a detailed breakdown of our findings in Liquidmetal Technologies' financial health report.
• Explore historical data to track Liquidmetal Technologies' performance over time in our past results report.

Where To Now?

• Jump into our full catalog of 333 US Penny Stocks here.
• Ready To Venture Into Other Investment Styles? The end of cancer? These 38 emerging AI stocks are developing tech that will allow early idenification of life changing disesaes like cancer and Alzheimer's.

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