neutralLetter1981-07-01conf:high
1981 Berkshire Hathaway Shareholder Letter
“370,088 (b) Pinkerton's, Inc. .................... 12,144 19,675”
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Pinkerton's, Inc.
$PNK7 mentions across the corpus · positive 2 · negative 0 · neutral 5 · historical 0
positiveLetter1981-07-01conf:high
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.”
neutralLetter1980-07-01conf:high
1980 Berkshire Hathaway Shareholder Letter
“370,088 (b) Pinkerton's, Inc. ..................... 12,144 16,489”
positiveLetter1980-07-01conf:high
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.”
neutralLetter1979-07-01conf:high
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.”
neutralLetter1978-07-01conf:high
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.”
neutralLetter1977-07-01conf:high
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”