In the investing lexicon of 2026, a "Wide Moat" isn't just a competitive advantage; it is a structural barrier that prevents competitors from eroding a company’s long-term profitability. As popularized by Warren Buffett, these moats come in many forms: Network Effects , Switching Costs , Intangible Assets , and Cost Advantages . As we navigate a year defined by the "Proof of Impact" AI cycle and a massive shift toward domestic manufacturing, these 10 titans have fortified the