Over the last 7 days, the United States market has experienced a 2.7% drop, yet it remains up by 19% over the past year with expectations of an 18% annual earnings growth in the coming years. In this context, identifying growth companies with high insider ownership can be particularly appealing as they often align management interests with shareholders and may indicate confidence in future performance.

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)	14.1%	58.5%
OS Therapies (OSTX)	12.4%	72.1%
KVH Industries (KVHI)	16.2%	146.1%
Karman Holdings (KRMN)	15.6%	52.6%
Corcept Therapeutics (CORT)	10.9%	48.9%
Astera Labs (ALAB)	10%	29.4%
AppLovin (APP)	27.2%	22%
Allegiant Travel (ALGT)	10%	133.7%
Abeona Therapeutics (ABEO)	16.5%	32.9%

Underneath we present a selection of stocks filtered out by our screen.

Kingstone Companies (KINS)

Simply Wall St Growth Rating: ★★★★☆☆

Overview: Kingstone Companies, Inc., operating through its subsidiary Kingstone Insurance Company, offers property and casualty insurance products in the United States with a market cap of $253.63 million.

Operations: The company generates revenue of $224.14 million from its property and casualty insurance products in the United States.

Insider Ownership: 19.8%

Earnings Growth Forecast: 20.8% p.a.

Kingstone Companies is trading at 45.5% below its estimated fair value, with earnings forecast to grow significantly at 20.8% annually, outpacing the US market's growth rate. Insiders have substantially increased their holdings over the past three months, indicating confidence in future prospects. Despite a recent net loss of US$5.81 million for Q1 2026, the company announced a share buyback program and reaffirmed its earnings guidance for fiscal year 2026, suggesting potential for recovery and growth.

First Western Financial (MYFW)

Simply Wall St Growth Rating: ★★★★☆☆

Overview: First Western Financial, Inc. is a financial holding company offering wealth advisory, private banking, personal trust, investment management, mortgage lending, and institutional asset management services to individual and corporate clients with a market cap of $298.29 million.

Operations: The company's revenue is primarily derived from wealth management services, which contribute $93.94 million, and mortgage services, which account for $6.52 million.

Insider Ownership: 12.7%

Earnings Growth Forecast: 32.3% p.a.

First Western Financial forecasts significant earnings growth at 32.3% annually, outpacing the US market's 18.5%. Despite recent substantial insider selling, the company has announced a $5 million share repurchase program, reflecting management's confidence in future performance. In Q1 2026, net income rose to US$6.21 million from US$4.19 million year-over-year, supported by increased net interest income of US$20.88 million. Revenue is expected to grow at a slightly higher rate than the overall market.

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 $492.12 million.

Operations: The company's revenue is derived entirely from its biotechnology segment, amounting to $57.94 million.

Insider Ownership: 18.5%

Earnings Growth Forecast: 71.8% p.a.

Prothena Corporation demonstrates strong growth potential with forecasted annual revenue growth of 31.2%, significantly outpacing the US market average. Recent earnings reveal a substantial turnaround, reporting a net income of US$32.72 million for Q1 2026, compared to a loss last year. Insider activity shows more buying than selling in recent months, indicating confidence in the company's prospects. Additionally, Prothena's strategic advancements include FDA Fast Track Designation for its promising amyloid-clearing antibody therapy.

Taking Advantage

• Click this link to deep-dive into the 174 companies within our Fast Growing US Companies With High Insider Ownership screener.
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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.