Samuel Ziff serves as Chief Investment Officer and portfolio manager for the Overstone Global Large Cap Fund. He joined Oldfield Partners in 2013 and brings experience from J.P. Morgan Cazenove along with his Oxford University education. Under his management, the fund has delivered strong recent performance with a 1-year return of +41.1% and 3-year annualized return of 13.4% as of January 2026. The fund maintains attractive valuation metrics with a forward P/E ratio of 11.5 compared to the benchmark MSCI World's 21.7, while offering a higher forward dividend yield of 3.1%. Ziff works within a team-oriented culture described as investment-led, collegiate, supportive, founded on intellectual curiosity and focused on long-term results. He operates within Oldfield Partners' framework of serving endowment funds, pension funds, charities, family offices, and high net worth individuals through their contrarian value investing approach.

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The fund employs a classic contrarian value investing approach based on bottom-up stock selection and patience, targeting companies with an average market capitalization above US$20 billion. The investment philosophy emphasizes that true value investing is 'in the blood' — a fundamental, curmudgeonly inclination toward the cheap and unloved, rather than just a learned technique. The firm places significant emphasis on valuation metrics, particularly the cyclically adjusted price-to-earnings ratio (CAPE), to forecast long-term market returns. They believe that when starting valuations are high, forward returns are low. The approach involves equity portfolios with a distinctive methodology: a limited number of holdings, long-only, no leverage, value-focussed, diversified, index-agnostic and suspicious of short-termism. The fund seeks to achieve over the long term a total return in excess of the MSCI World Index through investment in a concentrated portfolio of equities of predominantly large companies worldwide.

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