At the end of 2013, Grinnell College had an endowment of $1.5 billion. Not bad for a student body of 1,700 situated on a 120-acre campus in Iowa. The endowment has reached such a blessed size because the Trustees of the school had done two things intelligently in the 1960s: they bought shares of Berkshire Hathaway, and they made a very large investment in (what was then) the very small tech startup Intel [Grinnell College was the principal capital source for Intel in its formative years].
What I find interesting about the story is this: Even though the Grinnell Trustees were around the most successful compounders of the 20th century, they couldn’t resist the urge to sell once the investment had grown to be a very large component of the portfolio. If you visit a library and dig up old Grinnell University magazines on the microfilm, you will see … Read the rest of this article!