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Mairs & Power Growth Fund’s Q4 2025 Investor Letter

Mairs & Power, an investment advisor, released the fourth-quarter 2025 investor letter for the “Mairs & Power Growth Fund.” In 2025, artificial intelligence (AI) and market concentration dominated the market. Increased investment in technology and AI infrastructure drove rising valuations and corporate spending, leading to bubble-like tendencies. However, easing inflation, a Federal Reserve rate cut in Q4, and resilient corporate earnings provided some optimism. In this environment, the fund underperformed both the S&P 500 Total Return (TR) and its peer group, the Morningstar Large...