Warren Buffett is well known for distilling complex financial lessons into simple, memorable phrases. One of his more colorful remarks captures his long-held views on portfolio concentration: “If you have a harem of forty women, you never get to know any of them very well.” The remark first debuted in his famous 1984 Berkshire Hathaway Shareholder Letter, which outlined a tumultuous year for the company. At its core, the statement reflects Buffett’s resistance to over-diversification. Unlike many institut ...