3 Undervalued Small Caps With Insider Buying To Consider For Your Portfolio

Over the last 7 days, the United States market has experienced a 1.4% drop, yet it remains up by 16% over the past year with earnings forecast to grow by 18% annually. In this context, identifying stocks that are potentially undervalued can be appealing for investors seeking opportunities in small-cap companies where insider buying might indicate confidence in future performance.

Top 10 Undervalued Small Caps With Insider Buying In The United States

Name	PE	PS	Discount to Fair Value	Value Rating
Onterris	162.3x	0.9x	29.92%	★★★★★☆
Kingstone Companies	9.0x	1.2x	38.58%	★★★★☆☆
Shore Bancshares	12.2x	3.4x	2.32%	★★★★☆☆
Angel Oak Mortgage REIT	13.9x	6.3x	21.06%	★★★★☆☆
Similarweb	NA	1.9x	26.34%	★★★★☆☆
Modiv Industrial	NA	4.0x	47.40%	★★★★☆☆
AVITA Medical	NA	2.1x	4.10%	★★★★☆☆
Bank of the James Financial Group	11.0x	2.4x	15.16%	★★★☆☆☆
Patria Investments	24.1x	4.4x	9.41%	★★★☆☆☆
Angel Studios	NA	2.0x	8.98%	★★★☆☆☆

Click here to see the full list of 63 stocks from our Undervalued US Small Caps With Insider Buying screener.

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

AMC Entertainment Holdings (AMC)

Simply Wall St Value Rating: ★★★★☆☆

Overview: AMC Entertainment Holdings operates as a prominent movie theater chain with significant operations in both U.S. and international markets, boasting a market capitalization of approximately $1.39 billion.

Operations: The company generates revenue primarily from the U.S. and international markets, with a significant portion of its costs attributed to COGS and operating expenses. Over recent periods, the gross profit margin has shown variability, reaching as high as 17.98% in mid-2026. Operating expenses include notable allocations for general and administrative costs, which have fluctuated around $357 million to $366 million in recent quarters.

PE: -3.6x

AMC Entertainment Holdings, a key player in the cinema industry, recently reported Q2 2026 revenue of US$1.60 billion, up from US$1.40 billion the previous year, though it remains unprofitable with a net loss of US$11.4 million. Despite high volatility and negative equity concerns, AMC has been actively reducing debt by redeeming US$125 million in senior notes and completed equity offerings totaling over US$350 million since June 2026. Insider confidence is reflected through significant share purchases over the past year, suggesting potential optimism about future prospects amidst its evolving business model and innovative live concert formats at theatres nationwide.

• Delve into the full analysis valuation report here for a deeper understanding of AMC Entertainment Holdings.

• Assess AMC Entertainment Holdings' past performance with our detailed historical performance reports.

Ategrity Specialty Insurance Company Holdings (ASIC)

Simply Wall St Value Rating: ★★★★★★

Overview: Ategrity Specialty Insurance Company Holdings operates in the insurance sector, focusing on specialty insurance products, with a market cap of $1.25 billion.

Operations: ASIC generates revenue primarily from its insurance business, with recent figures indicating $470.18 million. The company's gross profit margin has shown a notable increase, reaching 26.01% by March 2026. Operating expenses remain relatively low compared to revenue, contributing to an improved net income margin of 19.23%.

PE: 12.1x

Ategrity Specialty Insurance Company Holdings, a smaller player in the insurance sector, is showing signs of potential growth. The firm anticipates Q2 earnings per share to surpass US$0.60, exceeding analyst predictions and indicating strong financial performance. Despite being dropped from several growth indices by June 2026, its addition to value-focused indices suggests a shift in investor perception towards stability and value. While reliant on external borrowing for funding, insider confidence is evident with recent executive changes aimed at strengthening financial leadership under Neil Adler's expertise.

• Navigate through the intricacies of Ategrity Specialty Insurance Company Holdings with our comprehensive valuation report here.

• Gain insights into Ategrity Specialty Insurance Company Holdings' historical performance by reviewing our past performance report.

Byline Bancorp (BY)

Simply Wall St Value Rating: ★★★☆☆☆

Overview: Byline Bancorp operates as a bank holding company providing banking services through its subsidiary, with a market capitalization of approximately $0.79 billion.

Operations: Byline Bancorp's revenue primarily comes from its banking operations, with a reported revenue of $422.94 million. The company consistently achieves a gross profit margin of 100%, indicating that it incurs no cost of goods sold in its financial reporting. Operating expenses, including general and administrative costs, significantly impact net income margins, which have shown variability over time but reached 32.96% in the most recent period ending March 2026.

PE: 12.3x

Byline Bancorp, a smaller player in the financial sector, is attracting attention for its potential value. The company has shown solid growth with Q1 2026 net interest income at US$99.86 million, up from US$88.22 million a year prior. Insider confidence is evident as they have been purchasing shares recently, signaling belief in future prospects. Additionally, Byline's earnings are expected to grow by 4.31% annually, providing an optimistic outlook for investors seeking opportunities in this segment of the market.

• Dive into the specifics of Byline Bancorp here with our thorough valuation report.

• Gain insights into Byline Bancorp's past trends and performance with our Past report.

Where To Now?

• Access the full spectrum of 63 Undervalued US Small Caps With Insider Buying by clicking on this link.
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Ready For A Different Approach?

• Explore high-performing small cap companies that haven't yet garnered significant analyst attention.
• Fuel your portfolio with companies showing strong growth potential, backed by optimistic outlooks both from analysts and management.
• Find companies with promising cash flow potential yet trading below their fair value.

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.

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