1981 Berkshire Hathaway Shareholder Letter
“370,088 (b) Pinkerton's, Inc. .................... 12,144 19,675”
7 mentions across the corpus · positive 2 · negative 0 · neutral 5 · historical 0
1981 Berkshire Hathaway Shareholder Letter
“370,088 (b) Pinkerton's, Inc. .................... 12,144 19,675”
Blue Chip Stamps Annual Letter 1981
“At yearend 1981 we owned non-voting stock representing 37% of the equity in Pinkerton's, Inc., the leading national security and investigation service company.”
1980 Berkshire Hathaway Shareholder Letter
“370,088 (b) Pinkerton's, Inc. ..................... 12,144 16,489”
Blue Chip Stamps Annual Letter 1980
“At yearend 1980 we owned non-voting stock representing 35% of the equity in Pinkerton's, Inc., the leading national security and investigation service company.”
Blue Chip Stamps Annual Letter 1979
“At yearend 1979 we owned non-voting stock representing 34% of the equity in Pinkerton's, Inc., the leading national security and investigation service company.”
Blue Chip Stamps Annual Letter 1978
“At yearend 1978 we owned non-voting stock representing 32% of the equity in Pinkerton's, Inc., the leading national security and investigation service company.”
Blue Chip Stamps Annual Letter 1977
“we acquired non-voting stock representing 14% of the equity in Pinkerton's, Inc., the leading national security and investigation service company”