The United States market has shown a robust performance, climbing 2.5% in the last 7 days and rising 14% over the past year, with earnings forecasted to grow by 18% annually. In this environment, identifying growth companies with high insider ownership can be particularly appealing as it often signals confidence from those closest to the business in its future potential.

Top 10 Growth Companies With High Insider Ownership In The United States

Name	Insider Ownership	Earnings Growth
Uxin (UXIN)	34.3%	69.4%
Upstart Holdings (UPST)	14.0%	68.4%
Standard Nuclear (STDN)	18.8%	61.3%
Precigen (PGEN)	11.7%	55.4%
Nu Holdings (NU)	22.8%	22.5%
Karman Holdings (KRMN)	14.4%	56.2%
Himax Technologies (HIMX)	29.2%	70.2%
Dave (DAVE)	16.7%	23.6%
Carlyle Group (CG)	27.4%	22%
Almonty Industries (ALM)	10.8%	38%

Click here to see the full list of 181 stocks from our Fast Growing US Companies With High Insider Ownership screener.

We're going to check out a few of the best picks from our screener tool.

Paysign (PAYS)

Simply Wall St Growth Rating: ★★★★☆☆

Overview: Paysign, Inc. operates in the United States offering prepaid card programs, patient affordability solutions, digital banking services, life science software technology, and integrated payment processing with a market cap of $713.12 million.

Operations: The company's revenue is primarily derived from its role as a vertically integrated provider of prepaid card products and processing services, amounting to $100.64 million.

Insider Ownership: 31%

Paysign exhibits significant growth potential with earnings expected to grow 32.24% annually over the next three years, outpacing the US market. However, recent insider activity shows substantial selling in the past quarter. The company raised its 2026 earnings guidance, forecasting revenue between US$114 million and US$117 million and net income of up to US$23 million, reflecting improved margins and strong performance in patient affordability solutions and plasma business segments.

• Get an in-depth perspective on Paysign's performance by reading our analyst estimates report here.
• Our expertly prepared valuation report Paysign implies its share price may be too high.

Prothena (PRTA)

Simply Wall St Growth Rating: ★★★★★☆

Overview: Prothena Corporation plc is a late-stage clinical biotechnology company dedicated to discovering and developing novel therapies for diseases caused by protein dysregulation, with a market cap of approximately $436.88 million.

Operations: The company generates revenue from its biotechnology segment, amounting to $54.53 million.

Insider Ownership: 19.1%

Prothena shows potential for strong growth with earnings forecasted to increase 64.19% annually, surpassing the US market's average. The company has seen substantial insider buying recently and no significant insider selling, indicating confidence in its future. Despite reporting a second-quarter revenue dip to US$1.01 million, Prothena's six-month revenue rose significantly to US$52.09 million, alongside a net income turnaround of US$14.14 million from a previous loss.

• Click here to discover the nuances of Prothena with our detailed analytical future growth report.
• The valuation report we've compiled suggests that Prothena's current price could be quite moderate.

Upstart Holdings (UPST)

Simply Wall St Growth Rating: ★★★★★★

Overview: Upstart Holdings, Inc. operates a cloud-based AI lending platform in the United States and has a market cap of approximately $2.49 billion.

Operations: The company's revenue is primarily derived from its unsecured lending segment, which generated approximately $1.10 billion.

Insider Ownership: 14.0%

Upstart Holdings demonstrates robust growth potential, with earnings expected to rise significantly at 68.4% annually, outpacing the US market. Recent insider buying suggests confidence in its trajectory. The company reported a second-quarter net income increase to US$16.54 million from US$5.61 million last year and maintained revenue guidance of approximately US$1.4 billion for 2026. Strategic expansions, including a partnership with Commonwealth Credit Union and conditional approval for Upstart Bank, N.A., support future growth prospects.

• Click to explore a detailed breakdown of our findings in Upstart Holdings' earnings growth report.
• In light of our recent valuation report, it seems possible that Upstart Holdings is trading behind its estimated value.

Make It Happen

• Embark on your investment journey to our 181 Fast Growing US Companies With High Insider Ownership selection here.
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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.

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Disclaimer:This article represents the opinion of the author only. It does not represent the opinion of Webull, nor should it be viewed as an indication that Webull either agrees with or confirms the truthfulness or accuracy of the information. It should not be considered as investment advice from Webull or anyone else, nor should it be used as the basis of any investment decision.