3 Growth Companies Insiders Are Investing In

As the U.S. stock market continues its upward trajectory, setting fresh records despite looming government shutdown concerns, investors are increasingly focused on companies with strong growth potential. In this environment, stocks with high insider ownership can be particularly appealing as they often signal confidence from those closest to the company’s operations and future prospects.

Click here to see the full list of 202 stocks from our Fast Growing US Companies With High Insider Ownership screener.

Here’s a peek at a few of the choices from the screener.

Simply Wall St Growth Rating: ★★★★★☆

Overview: Rezolve AI PLC offers generative AI solutions for the retail and e-commerce sectors, with a market cap of $1.47 billion.

Operations: Revenue segments for Rezolve AI PLC are not specified in the provided text.

Insider Ownership: 32.1%

Rezolve AI is experiencing rapid growth, with revenue expected to increase significantly faster than the US market. Despite a substantial net loss of US$57.85 million for H1 2025, the company anticipates profitability within three years. Recent strategic moves include a US$200 million private placement and plans for accretive M&A opportunities, supported by strong institutional backing. However, shareholders have faced dilution over the past year amidst high volatility in share price.

Simply Wall St Growth Rating: ★★★★★★

Overview: Astera Labs, Inc. designs, manufactures, and sells semiconductor-based connectivity solutions for cloud and AI infrastructure with a market cap of $32.33 billion.

Operations: Astera Labs generates revenue of $605.55 million from its semiconductor-based connectivity solutions for cloud and AI infrastructure.

Insider Ownership: 12.1%

Astera Labs is experiencing robust growth, with revenue forecasted to outpace the US market significantly. The company recently became profitable, reporting a net income of US$83.04 million for H1 2025. Despite highly volatile share prices and significant insider selling over the past three months, its inclusion in the PHLX Semiconductor Sector Index underscores its industry relevance. Astera’s earnings are projected to grow faster than the market average over the next three years.

Simply Wall St Growth Rating: ★★★★☆☆

Overview: Loar Holdings Inc. designs, manufactures, and markets aerospace and defense components and systems globally, with a market cap of $7.43 billion.

Operations: The company generates revenue of $451.74 million from its aerospace and defense segment, focusing on components and systems for aircraft both domestically and internationally.

Insider Ownership: 17.9%

Loar Holdings is positioned for growth, with earnings forecasted to increase significantly at 27% annually, outpacing the US market. Recent financial results show strong performance, with Q2 2025 net income rising to US$16.71 million from US$7.64 million a year prior, and revenue growing to US$123.12 million from US$97.02 million. The company has raised its full-year guidance for both net sales and income, reflecting confidence in its growth trajectory despite low projected return on equity and no recent insider trading activity reported.

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.The analysis only considers stock directly held by insiders. It does not include indirectly owned stock through other vehicles such as corporate and/or trust entities. All forecast revenue and earnings growth rates quoted are in terms of annualised (per annum) growth rates over 1-3 years.

Companies discussed in this article include RZLV ALAB and LOAR.

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