Concept
circle of competence
Mentioned in 100 documents, spanning 1958–2025
1960s
1960 Partnership Letter
1961 Partnership Letter
1961 Partnership Letter
1962 Partnership Letter
1962 Partnership Letter
1962 Partnership Letter
1963 Partnership Letter
1963 Partnership Letter
1963 Partnership Letter
1964 Partnership Letter
1964 Partnership Letter
1965 Partnership Letter
1965 Partnership Letter
1966 Partnership Letter
1966 Partnership Letter
1967 Shareholder Letter
1967 Partnership Letter
1967 Partnership Letter
1967 Partnership Letter
1968 Shareholder Letter
1968 Partnership Letter
1968 Partnership Letter
1969 Shareholder Letter
1969 Partnership Letter
1969 Partnership Letter
1969 Partnership Letter
1969 Partnership Letter
1970s
1980s
1990s
1990 Shareholder Letter
1991 Shareholder Letter
1992 Shareholder Letter
1993 Shareholder Letter
1994 Shareholder Letter
1994 Annual Meeting
1995 Shareholder Letter
1995 Annual Meeting
1996 Annual Meeting
1997 Shareholder Letter
1997 Annual Meeting
1998 Shareholder Letter
1998 Annual Meeting
1999 Shareholder Letter
2000s
2010s
2010 Shareholder Letter
2010 Annual Meeting
2011 Shareholder Letter
2011 Annual Meeting
2012 Annual Meeting
2013 Annual Meeting
2014 Annual Meeting
2015 Shareholder Letter
2015 Annual Meeting
2016 Annual Meeting
2017 Shareholder Letter
2018 Shareholder Letter
2018 Annual Meeting
2019 Shareholder Letter
2019 Annual Meeting