(1/N) Stocks with a fanatical shareholder base, updated to include commenter picks (A-Z):

$AAPL
$ADYEY
$AER
$AMZN
$BAM
$BRK
$CACC
$CHTR
$CMG
$CMPR
$COST
$CRM
$CSU.TO
$CVNA
$DPZ
$FAST
$FB
$FRC
$FRFHF
$FSV
$GOOGL
$HEI
$HTZ
$JNJ
$LULU
$LYFT
$MA
$MCO
$MELI
$MKL
$MO
$MSFT
$MTCH