Over the last 7 days, the United States market has remained flat, yet it has shown impressive growth of 19% over the past year with earnings expected to increase by 18% annually. In this environment, identifying growth companies with significant insider ownership can be particularly appealing as it often signals confidence in a company's potential and alignment of interests between management and shareholders.

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

Name	Insider Ownership	Earnings Growth
XCHG (XCH)	39.7%	102.2%
Uxin (UXIN)	34.3%	69.4%
Upstart Holdings (UPST)	14.1%	60%
Karman Holdings (KRMN)	15.6%	52.6%
IREN (IREN)	13.6%	38.4%
ERock (EROC)	20.1%	56.3%
Corcept Therapeutics (CORT)	10.9%	47.8%
Cerebras Systems (CBRS)	10.9%	73.7%
AppLovin (APP)	23.2%	21.7%
Abeona Therapeutics (ABEO)	16.2%	32.9%

Below we spotlight a couple of our favorites from our exclusive screener.

Alphatec Holdings (ATEC)

Simply Wall St Growth Rating: ★★★★★☆

Overview: Alphatec Holdings, Inc. is a medical technology company that focuses on designing and developing technologies for the surgical treatment of spinal disorders, with a market cap of approximately $1.39 billion.

Operations: The company's revenue primarily comes from its Medical Products segment, totaling $787.08 million.

Insider Ownership: 10.3%

Earnings Growth Forecast: 61.7% p.a.

Alphatec Holdings demonstrates significant insider confidence, with substantial insider buying over the past three months. The company is expected to achieve a higher-than-market annual profit growth and become profitable in three years. Revenue is forecasted to grow 13% annually, slightly above market expectations. Despite a volatile share price recently, Alphatec's new credit facility reduces borrowing costs significantly and supports its financial stability. Recent earnings show reduced losses compared to last year, indicating improved operational performance.

MNTN (MNTN)

Simply Wall St Growth Rating: ★★★★★☆

Overview: MNTN, Inc. operates a technology platform focused on performance marketing for Connected TV and has a market cap of approximately $751.07 million.

Operations: The company's revenue is primarily derived from its Internet Software & Services segment, totaling $299.25 million.

Insider Ownership: 12.1%

Earnings Growth Forecast: 29.1% p.a.

MNTN's recent inclusion in multiple Russell indices highlights its growing market presence. The company has achieved profitability with a net income of US$8.76 million in Q1 2026, compared to a loss last year. Earnings are forecast to grow significantly at 29.1% annually, outpacing the broader market. Despite high share price volatility and trading below fair value estimates, MNTN's integration with HubSpot enhances its appeal to growth-focused marketers seeking measurable outcomes from television advertising campaigns.

Zeta Global Holdings (ZETA)

Simply Wall St Growth Rating: ★★★★★☆

Overview: Zeta Global Holdings Corp. operates an omnichannel data-driven cloud platform offering consumer intelligence and marketing automation software to enterprises worldwide, with a market cap of approximately $5.59 billion.

Operations: The company generates revenue of $1.44 billion from its Internet Software & Services segment, which focuses on providing data-driven consumer intelligence and marketing automation solutions.

Insider Ownership: 11.6%

Earnings Growth Forecast: 50.3% p.a.

Zeta Global Holdings is advancing its AI capabilities through strategic partnerships, notably with Palantir Technologies, enhancing its data-driven marketing solutions. The company has raised revenue guidance for 2026 to between US$1.779 billion and US$1.792 billion, reflecting significant growth expectations. Although insider buying activity has been minimal recently, the forecasted annual profit growth and high return on equity suggest potential value creation. Zeta trades significantly below estimated fair value, indicating possible upside for investors focused on growth trajectories and technological innovation in marketing intelligence.

Summing It All Up

• Click through to start exploring the rest of the 166 Fast Growing US Companies With High Insider Ownership now.
• Contemplating Other Strategies? The best AI stocks today may lie beyond giants like Nvidia and Microsoft. Find the next big opportunity with these 16 smaller AI-focused companies with strong growth potential through early-stage innovation in machine learning, automation, and data intelligence that could fund your retirement.

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.