10 Fast-Growing Small Cap Stocks to Buy According to Analysts

Core Insights - The article discusses the performance of small-cap stocks, highlighting a significant outperformance of micro-caps and small-cap value stocks in Q3 2025, driven by lower rates and a resilient US economy [2][3]. Small-Cap Performance - The Russell 2000 index gained 12.4% in Q3 2025, outperforming the Russell 1000 index's 8% gain, with the Russell Micro-cap Index rising 17% [2]. - Small-cap value stocks returned 12.6%, slightly outperforming small-cap growth stocks at 12.2% during Q3 2025 [3]. - From April 8, small-cap growth stocks rose 43.2%, compared to a 35.3% increase in small-cap value stocks [3]. Analyst Insights - Analysts from Royce Investment Partners suggest that high-quality small-caps may regain leadership, following a typical pattern where low-quality/growth stocks lead initially [4]. - The analysis indicates that previous small-cap leadership phases began similarly, with growth stocks initially dominating before higher-quality/value companies took over [4]. Methodology for Stock Selection - The list of 10 Fast-Growing Small Cap Stocks was curated using various financial databases, focusing on stocks with market caps between $300 million and $2 billion, at least 50% year-over-year revenue growth, 30% 3-year revenue growth, and over 30% upside potential [7]. - The data for the stock selection was recorded on November 15, 2025 [7]. Featured Fast-Growing Small Cap Stocks - Amprius Technologies, Inc. (NYSE:AMPX): - Market Capitalization: $1.47 billion - Year-over-year Revenue Growth: 234.14% - 3-Year Revenue Growth: 129.48% - Analyst Upside Potential: 37.29% - Recent announcements include the establishment of the Amprius Korea Battery Alliance and a fiscal Q3 2025 revenue growth of 172.77% to $21.43 million, surpassing estimates [10][11][13][14]. - Innodata Inc. (NASDAQ:INOD): - Market Capitalization: $1.82 billion - Year-over-year Revenue Growth: 73.57% - 3-Year Revenue Growth: 44.57% - Analyst Upside Potential: 44.21% - The company reported a fiscal Q3 2025 revenue growth of 19.77% to $62.55 million, with management optimistic about further growth in 2026 due to deal expansions with major tech companies [15][16][18][19].