Ironvine Capital Partners, an investment management company, released its Q4 2025 investor letter. A copy of the letter can be downloaded here. Ironvine Capital Partners emphasized in its latest investor letter that long-term equity returns are ultimately driven by underlying earnings growth, noting that businesses held across its portfolios increased earnings between 12% and 16% in 2025, while holdings have compounded profits at roughly 15%–18% annually over the past nine years. The firm expects another year of mid-teens earnings growth across its companies in 2026, supported by durable competitive advantages, reinvestment opportunities, and structural industry tailwinds. Performance for the Ironvine Concentrated Equity Composite returned 11.27% in 2025, compared with 17.88% for the S&P 500 Index, while the Ironvine Core Equity Composite gained 9.68% during the year. The letter highlighted several major portfolio holdings benefiting from trends such as cloud computing expansion, aerospace maintenance demand, datacenter and semiconductor growth tied to artificial intelligence, resilient credit markets, the continued digitization of payments, and the global need for enterprise software and risk-management services. Despite acknowledging uncertainties ranging from regulatory developments to cyclical industry conditions, the firm remains confident that owning durable, high-quality businesses with strong reinvestment opportunities can generate double-digit long-term returns even if market valuations moderate. Please review the Portfolio’s top five holdings to gain insights into their key selections for 2025.
In its fourth-quarter 2025 investor letter, Ironvine Capital Partners highlighted stocks like Amphenol Corporation (NYSE:APH). Amphenol Corporation (NYSE:APH) designs and manufactures electronic and fiber optic connectors, sensors, and interconnect systems used across communications, automotive, and industrial applications. The one-month return of Amphenol Corporation (NYSE:APH) was -13.50% while its shares traded between $56.45 and $167.4 over the last 52 weeks. On March 19, 2026, Amphenol Corporation (NYSE:APH) stock closed at approximately $130.65 per share, with a market capitalization of about $160.60 billion.
Ironvine Capital Partners stated the following regarding Amphenol Corporation (NYSE:APH) in its Q4 2025 investor letter:
“When the books officially close on 2025 in a few weeks, it will mark a historic year at Amphenol Corporation (NYSE:APH). We estimate revenue will have grown over 50%, operating income north of 80%, and free cash flow by approximately 90%. And that is before considering that Amphenol closed the largest acquisition in its history just last week. The primary growth accelerant has been the explosion in demand for interconnect in AI-focused datacenters where the company is winning outsized market share. Our investment in Amphenol was not based on a surge in AI demand, and we do not know how long the present capital cycle will last. We have confidence, however, that the growing and constantly evolving demands of the electronics industry are likely to continue to produce opportunities for which Amphenol is structurally advantaged to capitalize on to the long-term benefit of shareholders.
These structural advantages, predicated on diversification and decentralization, have allowed Amphenol to successfully navigate different economic cycles for nearly 100 years. Its portfolio of hundreds of thousands of interconnect and sensor products is sold to a diverse customer base spanning the electronics supply chain that ultimately supports datacenters, mobile devices, industrial equipment, aircraft, and automobiles, among other end markets. Electronics is a fast-paced industry where technology and customer requirements change rapidly. Amphenol’s diversification lowers the risk of overexposure to any one end market and ensures it is positioned to enable the next wave of technological innovation. Within its decentralized operating structure, Amphenol’s 140 general managers have complete authority over and accountability for their business units. This provides superior agility to execute against constant change versus more centrally managed, integrated peers. In addition to driving performance in its core businesses, these two pillars make Amphenol an excellent home for smaller franchises in what remains a highly fragmented industry and provide an attractive outlet for redeployment of the company’s growing cash flow…” (Click here to read the full text).
Amphenol Corporation (NYSE:APH) is not on our list of 40 Most Popular Stocks Among Hedge Funds Heading Into 2026. As per our database, 103 hedge fund portfolios held Amphenol Corporation (NYSE:APH) at the end of the fourth quarter, which was 89 in the previous quarter. While we acknowledge the risk and potential of Amphenol Corporation (NYSE:APH) as an investment, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and doing so within a shorter time frame. If you are looking for an AI stock that is more promising than Amphenol Corporation (NYSE:APH) and that has 10,000% upside potential, check out our report about this cheapest AI stock.
In another article, we covered Amphenol Corporation (NYSE:APH) and shared the list of best-performing S&P 500 stocks in the last 10 years. In addition, please check out our hedge fund investor letters Q4 2025 page for more investor letters from hedge funds and other leading investors.
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Disclosure: None. This article is originally published at Insider Monkey.
