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  • About Us
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    • Core Strategy
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  • Communications
    • Letters to Clients
    • Commentary
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Letters to Clients

Castle Keep

February 2026

Warren Buffett famously compared the perfect business (and we paraphrase here) to sole ownership of the only source of water on an inhabited island.

Letters to Clients Archive

Commentary

January 2026 Commentary

As the S&P 500 continues its perilous ascent up the sheer rock face of worry that is today’s stock market, it’s hard not to marvel at the dizzying heights it’s been able to achieve.

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Videos

2025 Highlights of Marshfield Investor Conference

Watch the highlights from the 2025 Marshfield Investor Conference.

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Press

Value Investor Insight

Marshfield’s strategy and process is built to avoid costly mistakes and find unrecognized value.

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